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Xu FX, Zhou YT, Zhang CC, Zhang XY, Wei HY, Wang XY. Syntheses, Structures, and Magnetic Properties of Three Cyano-Bridged Fe II-Mo III Single-Molecule Magnets. Inorg Chem 2023; 62:15465-15478. [PMID: 37699414 DOI: 10.1021/acs.inorgchem.3c01803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
Three new cyano-bridged FeII-MoIII complexes assembled from the [MoIII(CN)7]4- unit, FeII ions, and three pentadentate N3O2 ligands, namely {[Fe2H3(dapab)2][Mo(CN)6]}n·2H2O·3.5MeCN (1), [Fe(H2dapb)(H2O)][Fe(Hdapb)(H2O)][Mo(CN)6]·4H2O·3MeCN (2), and [Fe(H2dapba)(H2O)]2[Mo(CN)7]·6H2O (3) (H2dapab = 2,6-diacetylpyridine bis(2-aminobenzoylhydrazone), H2dapb = 2,6-diacetylpyridine bis(benzoylhydrazone), H2dapba = 2,6-diacetylpyridine bis(4-aminobenzoylhydrazone)), have been synthesized and characterized. Single-crystal structure analyses suggest that complex 1 contains a one-dimensional (1D) chain structure where two FeII ions are bridged by the in situ generated [MoIII(CN)6]3- unit through two trans-cyanide groups into trinuclear Fe2IIMoIII clusters that are further linked by the amino of the ligand into an infinite chain. Complexes 2 and 3 are cyano-bridged Fe2IIMoIII trinuclear clusters with two FeII ions connected by the [MoIII(CN)6]3- and [MoIII(CN)7]4- units, respectively. Direct current magnetic studies confirmed the ferromagnetic interactions between the cyano-bridged FeII and MoIII centers and significant easy-axis magnetic anisotropy for all three complexes. Furthermore, complexes 1-3 exhibit slow magnetic relaxation under a zero dc field, with relaxation barriers of 42.3, 21.6, and 14.4 K, respectively, making them the first examples of cyano-bridged FeII-MoIII single-molecule magnets.
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Affiliation(s)
- Fang-Xue Xu
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yu-Ting Zhou
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Cheng-Cheng Zhang
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xin-Yu Zhang
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hai-Yan Wei
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Xin-Yi Wang
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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The crystal structure of cis-Dicyano-bis(2,2′-bipyridine)k 2
N, N′-chromium(III) hexafluorophosphate, C 22H 16N 6F 6PCr. Z KRIST-NEW CRYST ST 2023. [DOI: 10.1515/ncrs-2022-0577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Abstract
C22H16N6F6PCr, orthorhombic, P212121 (no. 19), a = 11.3511(7) Å, b = 12.1350(8) Å, c = 17.3820(11) Å, V = 2394.3(3) Å3, Z = 4, R
gt
(F) = 0.0388, wR
ref
(F
2) = 0.1023, T = 293 K.
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Introduction to tetracyanometalate bridged transition metal-salen complexes: Synthesis, structure and properties. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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5
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Alexandru MG, Visinescu D, Cula B, Shova S, Rabelo R, Moliner N, Lloret F, Cano J, Julve M. A rare isostructural series of 3d-4f cyanido-bridged heterometallic squares obtained by assembling [Fe III{HB(pz) 3}(CN) 3] - and Ln III ions: synthesis, X-ray structure and cryomagnetic study. Dalton Trans 2021; 50:14640-14652. [PMID: 34581372 DOI: 10.1039/d1dt02512k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new series of cyanido-bridged {FeIIILnIII}2 neutral molecular squares of general formula [Fe{HB(pz)3}(CN)(μ-CN)2Ln(NO3)2(pyim)(Ph3PO)]2·2CH3CN [Ln = Ce (1), Pr (2), Nd (3), Gd (4), Tb (5), Dy (6) and Er (7); {HB(pz)3}- = hydrotris(pyrazolyl)borate, pyim = 2-(1H-imidazol-2-yl)pyridine and Ph3PO = triphenylphosphine oxide] were obtained by reacting the low-spin [Fe{HB(pz)3}(CN)3]- species with the preformed [LnIII(pyim)(NO3)2(pyim)(Ph3PO)]+ complex anions (generated in situ by mixing the nitrate salt of each Ln(III) ion with pyim and Ph3PO molecules). Single-crystal X-ray diffraction studies show that 1-7 are isostructural compounds that crystallize in the triclinic P1̄ space group. Their crystal structures consist of centrosymmetric cyanido-bridged {FeIIILnIII}2 molecular squares where two [Fe{HB(pz)3}(CN)3]- units adopt bis-monodentate coordination modes towards two [LnIII(pyim)(NO3)2(pyim)(Ph3PO)]+ moieties. The cis-oriented convergent sites from both low-spin FeIII and LnIII fragments form a quasi square-shaped molecule in which the 3d and 4f ions alternatively occupy the corners of the square. Both FeIII ions show a distorted octahedral surrounding (C3v symmetry), whereas the LnIII ions exhibit a distorted muffin-like geometry (Cs symmetry) in 1-7. The intramolecular FeIII⋯LnIII distances across the two cyanido-bridges range from ca. 5.48/5.46 up to ca. 5.58/5.61 Å. The molecular squares in 1-7 are interlinked through hydrogen bonds, weak π⋯π stacking and very weak C-H⋯π type interactions into three-dimensional supramolecular networks. The analysis of the solid-state direct-current (dc) magnetic susceptibility data of 1-7 in the temperature range 1.9-300 K reveals the occurrence of weak intra- and intermolecular antiferromagnetic interactions. The small intramolecular antiferromagnetic couplings in 4 compare well with those previously reported for parent systems. Although the coexistence of the spin-orbit coupling (SOC) of the low-spin iron(III) and lanthanide(III) ions in the remaining compounds together with the ligand field effects mask the visualization and make difficult the evaluation of the possible magnetic interactions in them, we were able to do it through a SOC model applied on exact or effective Hamiltonians. Frequency-dependent alternating current magnetic susceptibility signals in the temperature range 2.0-9.0 K under zero and non-zero static fields were observed for 5-7 which indicate slow magnetic relaxation (SMM) behavior. The usual absence of χ''M maxima moved us to estimate their energy barriers through ln(χ''M/ χ'M) vs. 1/T plots, obtaining values from 25 to 40 cm-1.
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Affiliation(s)
- Maria-Gabriela Alexandru
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory, "Ilie Murgulescu" Institute of Physical Chemistry, Romanian Academy, Splaiul Independentei 202, Bucharest 060021, Romania.
| | - Beatrice Cula
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Sergiu Shova
- "Petru Poni" Institute of Macromolecular Chemistry, Ro, an Academy, mani, Aleea Grigore Ghica Vodă 41-A, RO-700487 Iasi, Romania
| | - Renato Rabelo
- Departament de Química Inorgànica/Instituto de Ciencia Molecular, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Nicolás Moliner
- Departament de Química Inorgànica/Instituto de Ciencia Molecular, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto de Ciencia Molecular, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Joan Cano
- Departament de Química Inorgànica/Instituto de Ciencia Molecular, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
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Synthesis, Crystal Structure and Magnetic Properties of 1D Chain Complexes Based on Azo Carboxylate Oxime Ligand. MAGNETOCHEMISTRY 2021. [DOI: 10.3390/magnetochemistry7070105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Two carboxylate-bridged one-dimensional chain complexes, {[MnII(MeOH)2][FeIII(L)2]2}n (1) and {[MnII(DMF)2][MnIII(L)2]2·DMF}n (2) [H2L = ((2-carboxyphenyl)azo)-benzaldoxime], containing a low-spin [FeIII(L)2]− or [MnIII(L)2]− unit were synthesized. Magnetic measurements show that the adjacent high-spin MnII and low-spin MIII ions display weak antiferromagnetic coupling via the syn–anti carboxyl bridges, with J = −0.066(2) cm−1 for complex 1 and J = −0.274(2) cm−1 for complex 2.
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Cd(II)/Fe(III) heterobimetallic complexes with dien and cyanido ligands as precursors of ferrite-type oxides: Syntheses, crystal structures, thermal properties and identification of the oxides. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Mudoi PP, Sarma B, Choudhury A, Gogoi N. Evidence of protonation induced intra-molecular metal-to-metal charge transfer in a highly symmetric cyanido bridged {Fe 2Ni 2} molecular square. Dalton Trans 2021; 50:2057-2066. [PMID: 33480910 DOI: 10.1039/d0dt02826f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The possibility to induce intra-molecular metal-to-metal charge transfer in a cyanido bridged tetranuclear square shaped {Fe2Ni2} complex by employing protonation as an external stimulant is explored. Two cyanido bridged square shaped tetranuclear complexes, [{Ni(TPA)(μ2-NC)2Ni(CN)2}2]·4H2O (2) and [{Ni(TPA)(μ2-NC)2Fe(bbp)(CN)}2]·10H2O (3) [TPA = tris(3,5-dimethylpyrazol-1-ylmethyl)amine and H2bbp = bis(2-benzimidazolyl)pyridine], are synthesized and characterized. Low temperature magnetic measurements reveal that complex 3 has dominant ferromagnetic interactions between low-spin FeIII (S = 1/2) and high-spin NiII (S = 1) ions. UV-visible spectrophotometric measurements and electrochemical studies establish that reversible intra-molecular metal-to-metal electron transfer can be triggered in 3 upon the addition of either an acid or a base.
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Affiliation(s)
- Prashurya Pritam Mudoi
- Department of Chemical Sciences, Tezpur University, Napaam 784028, Sonitpur, Assam, India.
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10
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Visinescu D, Alexandru MG, Dumitrescu DG, Shova S, Moliner N, Lloret F, Julve M. Cyanido-bridged {Fe IIILn III} heterobimetallic chains assembled through the [Fe III{HB(pz) 3}(CN) 3] − complex as metalloligand: synthesis, crystal structure and magnetic properties. CrystEngComm 2021. [DOI: 10.1039/d1ce00626f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The first isostructural series of cyanido-bridged 3d–4f chains showing a unique zig-zag motif have been obtained by using the heteroleptic [FeIII{HB(pz)3}(CN)3]− complex as a metalloligand towards the preformed [LnIII(bpdo)(NO3)2(H2O)]+ species.
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Affiliation(s)
- Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory
- “Ilie Murgulescu” Institute of Physical Chemistry
- Romanian Academy
- Bucharest 060021
- Romania
| | - Maria-Gabriela Alexandru
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
- Romania
| | | | - Sergiu Shova
- “Petru Poni” Institute of Macromolecular Chemistry
- Romanian Academy
- RO-700487 Iasi
- Romania
| | - Nicolás Moliner
- Departament de Química Inorgànica/Instituto de Ciencia Molecular
- Universitat de València
- 46980 Paterna
- Spain
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto de Ciencia Molecular
- Universitat de València
- 46980 Paterna
- Spain
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular
- Universitat de València
- 46980 Paterna
- Spain
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11
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X-ray Structure and Magnetic Properties of Heterobimetallic Chains Based on the Use of an Octacyanidodicobalt(III) Complex as Metalloligand. MAGNETOCHEMISTRY 2020. [DOI: 10.3390/magnetochemistry6040066] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The assembly of [Co2III(μ-2,5-dpp)(CN)8]2− anions and [MII(CH3OH)2(DMSO)2]2+ cations resulted into the formation of two heterobimetallic 1D coordination polymers of formula [MII(CH3OH)2(DMSO)2(μ-NC)2Co2III(μ-2,5-dpp)(CN)6]n·4nCH3OH [M = CoII (1)/FeII (2) and 2,5-dpp = 2,5-bis(2-pyridyl)pyrazine. The [Co2III(μ-2,5-dpp)(CN)8]2− metalloligand coordinates the paramagnetic [MII(CH3OH)2(DMSO)2]2+ complex cations, in a bis-monodentate fashion, to give rise to neutral heterobimetallic chains. Cryomagnetic dc (1.9–300 K) and ac (2.0–13 K) magnetic measurements for 1 and 2 show the presence of Co(II)HS (1) and Fe(II)HS (2) ions (HS – high-spin), respectively, with D values of +53.7(5) (1) and −5.1(3) cm−1 (2) and slow magnetic relaxation for 1, this compound being a new example of SIM with transversal magnetic anisotropy. Low-temperature Q-band EPR study of 1 confirms that D value is positive, which reveals the occurrence of a strong asymmetry in the g-tensors and allows a rough estimation of the E/D ratio, whereas 2 is EPR silent. Theoretical calculations by CASSCF/NEVPT2 on 1 and 2 support the results from magnetometry and EPR. The analysis of the ac magnetic measurements of 1 shows that the relaxation of M takes place in the ground state under external magnetic dc fields through dominant Raman and direct spin-phonon processes.
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Chorazy S, Zakrzewski JJ, Magott M, Korzeniak T, Nowicka B, Pinkowicz D, Podgajny R, Sieklucka B. Octacyanidometallates for multifunctional molecule-based materials. Chem Soc Rev 2020; 49:5945-6001. [PMID: 32685956 DOI: 10.1039/d0cs00067a] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Octacyanidometallates have been successfully employed in the design of heterometallic coordination systems offering a spectacular range of desired physical properties with great potential for technological applications. The [M(CN)8]n- ions comprise a series of complexes of heavy transition metals in high oxidation states, including NbIV, MoIV/V, WIV/V, and ReV. Since the discovery of the pioneering bimetallic {MnII4[MIV(CN)8]2} and {MnII9[MV(CN)8]6} (M = Mo, W) molecules in 2000, octacyanidometallates were fruitfully explored as precursors for the construction of diverse d-d or d-f coordination clusters and frameworks which could be obtained in the crystalline form under mild synthetic conditions. The primary interest in [M(CN)8]n--based networks was focused on their application as molecule-based magnets exhibiting long-range magnetic ordering resulting from the efficient intermetallic exchange coupling mediated by cyanido bridges. However, in the last few years, octacyanidometallate-based materials proved to offer varied and remarkable functionalities, becoming efficient building blocks for the construction of molecular nanomagnets, magnetic coolers, spin transition materials, photomagnets, solvato-magnetic materials, including molecular magnetic sponges, luminescent magnets, chiral magnets and photomagnets, SHG-active magnetic materials, pyro- and ferroelectrics, ionic conductors as well as electrochemical containers. Some of these materials can be processed into the nanoscale opening the route towards the development of magnetic, optical and electronic devices. In this review, we summarise all important achievements in the field of octacyanidometallate-based functional materials, with the particular attention to the most recent advances, and present a thorough discussion on non-trivial structural and electronic features of [M(CN)8]n- ions, which are purposefully explored to introduce desired physical properties and their combinations towards advanced multifunctional materials.
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Affiliation(s)
- Szymon Chorazy
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Jakub J Zakrzewski
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Michał Magott
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Tomasz Korzeniak
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Beata Nowicka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Dawid Pinkowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Robert Podgajny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Barbara Sieklucka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
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Alexandru M, Visinescu D, Madalan AM, Clérac R, Andruh M. Structure and Magnetic Properties of an Original {Cu
II
Mn
II
W
V
} Heterotrimetallic Coordination Polymer. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Maria‐Gabriela Alexandru
- Department of Inorganic Chemistry Physical Chemistry and Electrochemistry University Politehnica of Bucharest 1‐7 Gh. Polizu Street 01106 Bucharest Romania
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory “Ilie Murgulescu” Institute of Physical Chemistry Romanian Academy Splaiul Independentei 202 ‐060021 Bucharest Romania
| | - Augustin M. Madalan
- Inorganic Chemistry Laboratory Faculty of Chemistry University of Bucharest Str. Dumbrava Rosie 23 020464‐ Bucharest Romania
| | - Rodolphe Clérac
- Centre de Recherche Paul Pascal, UMR 5031 Univ. Bordeaux, CNRS 33600 Pessac France
| | - Marius Andruh
- Inorganic Chemistry Laboratory Faculty of Chemistry University of Bucharest Str. Dumbrava Rosie 23 020464‐ Bucharest Romania
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Xu Y, Wu LN, Li MX, Shi FN, Wang ZX. Syntheses, crystal structures and magnetic properties of two 1D copper complexes with Fe(IV) building block. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.107950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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15
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Hao X, Shi J, Dou Y, Cao T, Zhou Z, Yang L, Li D, Liu Q, Jiang J, Zhang D. Heterobimetallic complexes from 0D clusters to 3D networks based on various polycyanometallates and [Cu(dmpn) 2] 2+ (dmpn = 2,2-dimethyl-1,3-diaminopropane): synthesis, crystal structures and magnetic properties. CrystEngComm 2020. [DOI: 10.1039/d0ce00235f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Six new cyanide-bridged complexes (0–3D) have been assembled by employing one copper compound and six cyano precursors. Investigation of the magnetic properties revealed the ferro- or antiferromagnetic coupling between FeIII/CrI ion and CuII ion.
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Affiliation(s)
- Xiaoyun Hao
- College of Chemical and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- PR China
| | - Jingwen Shi
- College of Chemical and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- PR China
| | - Yong Dou
- College of Chemical and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- PR China
| | - Tong Cao
- College of Chemical and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- PR China
| | - Zhen Zhou
- College of Chemical and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- PR China
| | - Lu Yang
- College of Chemical and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- PR China
| | - Dacheng Li
- College of Chemical Engineering
- Liaocheng University
- Liaocheng 252059
- China
| | - Qingyun Liu
- College of Chemical and Environmental Engineering
- Shandong University of Science and Technology
- Qingdao 266510
- PR China
| | - Jianzhuang Jiang
- Department of Chemistry
- University of Science and Technology Beijing
- Beijing 100083
- China
| | - Daopeng Zhang
- College of Chemical and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- PR China
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Various Structural Types of Cyanide-Bridged Fe III-Mn III Bimetallic Coordination Polymers (CPs) and Polynuclear Clusters Based-on A New mer-Tricyanoiron(III)Building Block: Synthesis, Crystal Structures, and Magnetic Properties. Polymers (Basel) 2019; 11:polym11101585. [PMID: 31569813 PMCID: PMC6835830 DOI: 10.3390/polym11101585] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 09/22/2019] [Accepted: 09/22/2019] [Indexed: 11/17/2022] Open
Abstract
Four cyanide-bridged FeIII–MnIII complexes {[Fe(qxcq)(CN)3][Mn(L1)(H2O)]}[Mn(L1)(H2O)(CH3OH)](ClO4)·1.5MeOH·0.5H2O (L1 = N,N′-bis(3-methoxy-5-bromosalicylideneiminate) (2), {[Fe(qxcq)(CN)3][Mn(L2)]}2·0.5H2O (L2 = N,N′-ethylene-bis(3-ethoxysalicylideneiminate)) (3), [Fe(qxcq)(CN)3][Mn(L3)] (L3 = bis(acetylacetonato)ethylenediimine) (4), [Fe(qxcq)(CN)3][Mn(L4)]·1.5MeOH·0.5CH3CN·0.25H2O (L4 = N,N′-(1,1,2,2-tetramethylethylene)bis(salicylideneiminate)) (5), were prepared by assembling a new structurally characterized mer-tricyanoiron(III) molecular precursor (Ph4P)[Fe(qxcq)(CN)3]·0.5H2O (qxcq− = 8-(2-quinoxaline-2-carboxamido)quinoline anion) (1) and the corresponding manganese(III) Schiff base compound. Complexes 2and 3containa cyanide-bridged heterobimetallic dinuclear entity, which can be further dimerized by self-complementary H-bond interactions through the coordinated water molecule from one complex and the free O4unit from the adjacent complex. Complexes 4 and 5 area one-dimensional coordination polymer (CP) comprised of the repeated [Mn(Schiffbase)-Fe(qxcq)(CN)3] units. Complex 4 shows a linear-chain conformation with two trans-located cyano groups bridgingthe neighboring Mn units, while complex 5 is a zigzag-like 1D CP, where the two cyano groups in cis configurationfunction as bridges. In bothcomplexes 4 and 5, the inter-chain π–πstack interactions within the aromaticrings of cyanide precursor extend the 1D chain into the supermolecular 2D networks. The magnetic property has been experimentally studied and theoretically fitted over the four Fe(III)-Mn(III) complexes, revealing the antiferromagnetic interaction in complexes 2 and 4 and the unusual ferromagnetic coupling in complexes 3 and 5 between the Fe(III) ion and the Mn(III) ion bridged by the cyano group. Furthermore, the different magnetic coupling nature has been analyzed on the basis of the magneto-structure correlation of the mer-tricyanometallate-based Fe(III)-Mn(III) magnetic system.
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Jaiswal D, Yadava S. Synthesis and characterization of some novel Mn(III) glycinato complexes with catalytic applications. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1660961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Deepika Jaiswal
- Department of Chemistry, D.D.U. Gorakhpur University, Gorakhpur, India
| | - Sudha Yadava
- Department of Chemistry, D.D.U. Gorakhpur University, Gorakhpur, India
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Alexandru MG, Visinescu D, Braun-Cula B, Shova S, Lloret F, Julve M. In situ generation of Ph 3PO in cyanido-bridged heterometallic {Fe IIILn III} 2 molecular squares (Ln = Eu, Sm). Dalton Trans 2019; 48:7532-7536. [PMID: 31066421 DOI: 10.1039/c9dt01445d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Two new examples of cyanido-bridged {FeIIILnIII}2 molecular squares, with pyim and PPh3O as capping ligands at the LnIII sites, exhibit weak antiferromagnetic interactions [Ln = Eu (1), Sm (2), pyim = 2-(1H-imidazol-2-yl)pyridine, PPh3PO = triphenylphosphine oxide].
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Affiliation(s)
- Maria-Gabriela Alexandru
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
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19
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Dhers S, Feltham HLC, Rouzières M, Clérac R, Brooker S. Discrete versus Chain Assembly: Hexacyanometallate Linkers and Macrocyclic {3d–4f} Single-Molecule Magnet Building Blocks. Inorg Chem 2019; 58:5543-5554. [DOI: 10.1021/acs.inorgchem.8b03455] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Sébastien Dhers
- Department of Chemistry and the MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
| | - Humphrey L. C. Feltham
- Department of Chemistry and the MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
| | - Mathieu Rouzières
- CNRS, CRPP, UMR 5031, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UMR 5031, F-33600 Pessac, France
| | - Rodolphe Clérac
- CNRS, CRPP, UMR 5031, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UMR 5031, F-33600 Pessac, France
| | - Sally Brooker
- Department of Chemistry and the MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
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20
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Kisel KS, Melnikov AS, Grachova EV, Karttunen AJ, Doménech-Carbó A, Monakhov KY, Semenov VG, Tunik SP, Koshevoy IO. Supramolecular Construction of Cyanide-Bridged Re I Diimine Multichromophores. Inorg Chem 2019; 58:1988-2000. [PMID: 30633505 DOI: 10.1021/acs.inorgchem.8b02974] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reactions of labile [Re(diimine)(CO)3(H2O)]+ precursors (diimine = 2,2'-bipyridine, bpy; 1,10-phenanthroline, phen) with dicyanoargentate anion produce the dirhenium cyanide-bridged compounds [{Re(diimine)(CO)3}2CN)]+ (1 and 2). Substitution of the axial carbonyl ligands in 2 for triphenylphosphine gives the derivative [{Re(phen)(CO)2(PPh3)}2CN]+ (3), while the employment of a neutral metalloligand [Au(PPh3)(CN)] affords heterobimetallic complex [{Re(phen)(CO)3}NCAu(PPh3)]+ (4). Furthermore, the utilization of [Au(CN)2]-, [Pt(CN)4]2-, and [Fe(CN)6]4-/3- cyanometallates leads to the higher nuclearity aggregates [{Re(diimine)(CO)3NC} xM] m+ (M = Au, x = 2, 5 and 6; Pt, x = 4, 7 and 8; Fe, x = 6, 9 and 10). All novel compounds were characterized crystallographically. Assemblies 1-8 are phosphorescent both in solution and in the solid state; according to the DFT analysis, the optical properties are mainly associated with charge transfer from Re tricarbonyl motif to the diimine fragment. The energy of this process can be substantially modified by the properties of the ancillary ligands that allows to attain near-IR emission for 3 (λem = 737 nm in CH2Cl2). The Re-FeII/III complexes 9 and 10 are not luminescent but exhibit low energy absorptions, reaching 846 nm (10) due to ReI → FeIII transition.
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Affiliation(s)
- Kristina S Kisel
- Institute of Chemistry , St. Petersburg State University , Universitetskiy pr. 26, Petergof , St. Petersburg 198504 , Russia.,Department of Chemistry , University of Eastern Finland , 80101 Joensuu , Finland
| | - Alexei S Melnikov
- Peter the Great St. Petersburg Polytechnic University , Polytechnicheskaya, 29 , St. Petersburg 195251 , Russia
| | - Elena V Grachova
- Institute of Chemistry , St. Petersburg State University , Universitetskiy pr. 26, Petergof , St. Petersburg 198504 , Russia
| | - Antti J Karttunen
- Department of Chemistry and Materials Science , Aalto University , 00076 Aalto , Finland
| | | | - Kirill Yu Monakhov
- Leibniz Institute of Surface Engineering (IOM) , Permoserstraße 15 , 04318 Leipzig , Germany
| | - Valentin G Semenov
- Institute of Chemistry , St. Petersburg State University , Universitetskiy pr. 26, Petergof , St. Petersburg 198504 , Russia
| | - Sergey P Tunik
- Institute of Chemistry , St. Petersburg State University , Universitetskiy pr. 26, Petergof , St. Petersburg 198504 , Russia
| | - Igor O Koshevoy
- Department of Chemistry , University of Eastern Finland , 80101 Joensuu , Finland
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21
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Alexandru MG, Marino N, Visinescu D, De Munno G, Andruh M, Bentama A, Lloret F, Julve M. A novel octacyanido dicobalt(iii) building block for the construction of heterometallic compounds. NEW J CHEM 2019. [DOI: 10.1039/c9nj00420c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The first bimetallic 3d cyanido-bearing complex with 2,5-dpp as a bridge, (Ph4P)2[Co2III(μ-2,5-dpp)(CN)8]·2H2O, is obtained and used as a metalloligand with the [Mn(MAC)(H2O)2]2+ cation to build a {CoIIIMnII} heterobimetallic chain.
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Affiliation(s)
- Maria-Gabriela Alexandru
- Department of Inorganic Chemistry
- Physical Chemistry and Electrochemistry
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
| | - Nadia Marino
- Dipartimento di Chimica e Tecnologie Chimiche
- Università della Calabria
- 87036 Rende
- Italy
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory
- “Ilie Murglescu” Institute of Physical Chemistry
- Romanian Academy
- Bucharest 060021
- Romania
| | - Giovanni De Munno
- Dipartimento di Chimica e Tecnologie Chimiche
- Università della Calabria
- 87036 Rende
- Italy
| | - Marius Andruh
- Inorganic Chemistry Laboratory
- Faculty of Chemistry
- University of Bucharest
- Bucharest
- Romania
| | - Abdeslem Bentama
- Laboratoire de Chimie Organique Appliquée
- Faculté des Sciences Techniques de Fès
- Université Sidi Mohammed Ben Abdellah
- Fès
- Morocco
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- 46990 Paterna
- Spain
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- 46990 Paterna
- Spain
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22
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Wei XQ, Wang KJ, Wu DQ, Shao D, Shi L, Shen FX, Wei HY, Wang XY. Two three-dimensional [Mo III(CN) 7] 4−-based magnets showing new topologies and ferrimagnetic ordering below 80 K. Dalton Trans 2019; 48:8843-8852. [DOI: 10.1039/c9dt01290g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two 3D [MoIII(CN)7]4−-based magnets with new topologies and ferrimagnetic ordering below 80 K have been prepared using different amides as auxiliary ligands.
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Affiliation(s)
- Xiao-Qin Wei
- State Key Laboratory of Coordination Chemistry
- Collaborative Innovation Center of Advanced Microstructures
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
| | - Kang-Jie Wang
- State Key Laboratory of Coordination Chemistry
- Collaborative Innovation Center of Advanced Microstructures
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
| | - Dong-Qing Wu
- State Key Laboratory of Coordination Chemistry
- Collaborative Innovation Center of Advanced Microstructures
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
| | - Dong Shao
- State Key Laboratory of Coordination Chemistry
- Collaborative Innovation Center of Advanced Microstructures
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
| | - Le Shi
- State Key Laboratory of Coordination Chemistry
- Collaborative Innovation Center of Advanced Microstructures
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
| | - Fu-Xing Shen
- State Key Laboratory of Coordination Chemistry
- Collaborative Innovation Center of Advanced Microstructures
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
| | - Hai-Yan Wei
- Jiangsu Key Laboratory of Biofunctional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- China
| | - Xin-Yi Wang
- State Key Laboratory of Coordination Chemistry
- Collaborative Innovation Center of Advanced Microstructures
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
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23
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Shiga T, Miyamoto H, Newton GN, Oshio H. Two-electron redox-active tricyano iron(ii) complex with 2,4,6-tris(2-pyrimidyl)-1,3,5-triazine as a building block for coordination polymers. Dalton Trans 2018; 47:13402-13407. [PMID: 30183035 DOI: 10.1039/c8dt02315h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new tricyano iron(ii) building unit, [{K(H2O)4}{FeII(CN)3(L)}]·3H2O (1), was synthesized by the reaction of Moor's salts with 2,4,6-tris(2-pyrimidyl)-1,3,5-triazine (L) as a capping ligand. X-ray structural analysis reveals that the mononuclear iron(ii) tricyano complex consists of one ligand and three cyanide groups, with K+ ions coordinated between neighboring units to form a one-dimensional chain network structure. 1 shows two reversible redox waves at +0.713 and -0.849 V vs. SCE, which are assigned as Fe(ii)/Fe(iii) and L/L˙- processes, respectively. One-dimensional 4,2-ribbon chain type coordination polymers, [MII(H2O)2{FeII(CN)3(L)}2]·6H2O (M = Fe (2) and Mn (3)), were synthesized by using 1 as a building unit. Cryomagnetic studies reveals that 2 and 3 show paramagnetic behaviour of S = 2 and 5/2, respectively. On the other hand, reaction of 1 and Gd(NO3)3·6H2O forms another one-dimensional chain, [GdIII(NO3)2(H2O)3{FeII(CN)3(L)}]·0.5H2O·2CH3OH (4), showing S = 7/2 paramagnetic behaviour.
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Affiliation(s)
- Takuya Shiga
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba 305-8571, Japan.
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24
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Sun H, He ML, Zhao W, Zhang LF, Ni ZH. Synthesis, crystal structure and magnetic properties of a cyanide-bridged one-dimensional FeIIICoII metamagnet. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.05.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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25
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A serials of sandwich-like trinuclear and one-dimensional chain cyanide-bridged iron(III)-copper(II) complexes: Syntheses, crystal structures and magnetic properties. J SOLID STATE CHEM 2018. [DOI: 10.1016/j.jssc.2018.01.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Alexandru MG, Visinescu D, Shova S, Andruh M, Lloret F, Julve M. Magnetism in Heterobimetallic and Heterotrimetallic Chains Based on the Use of [WV(bipy)(CN)6]-as a Metalloligand. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201701245] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Maria-Gabriela Alexandru
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry; Faculty of Applied Chemistry and Materials Science; University Politehnica of Bucharest; 1-7 Gh. Polizu Street 011061 Bucharest Romania
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory; “Ilie Murgulescu” Institute of Physical Chemistry; Romanian Academy; Splaiul Independentei 202 060021 Bucharest Romania
| | - Sergiu Shova
- “Petru Poni” Institute of Macromolecular Chemistry of the Romanian Academy; Aleea Grigore Ghica Vodă 41-A 700487 Iasi Romania
| | - Marius Andruh
- Inorganic Chemistry Laboratory; Faculty of Chemistry; University of Bucharest; Str. Dumbrava Rosie 23 020464 Bucharest Romania
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol); Facultat de Química de la Universitat de València; C/ Catedrático José Beltrán 2 46980 Paterna València Spain
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol); Facultat de Química de la Universitat de València; C/ Catedrático José Beltrán 2 46980 Paterna València Spain
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27
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Fernandes TS, Melo WDC, Kalinke LHG, Rabelo R, Valdo AK, da Silva CC, Martins FT, Amorós P, Lloret F, Julve M, Cangussu D. 2D and 3D mixed MII/CuIImetal–organic frameworks (M = Ca and Sr) withN,N′-2,6-pyridinebis(oxamate) and oxalate: preparation and magneto-structural study. Dalton Trans 2018; 47:11539-11553. [DOI: 10.1039/c8dt01686k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterobimetallic coordination polymers with either antiferro- of ferromagnetic interactions are described herein.
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28
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Shi J, Zhou Y, Xue C, Liu Q, Zhang D. Substitute Group-Tuned Schiff-Base Manganese(III)-Based Cyanide-Bridged Bimetallic Complexes: Synthesis, Crystal Structures and Magnetic Properties. JOURNAL OF CHEMICAL RESEARCH 2018. [DOI: 10.3184/174751918x15161933697826] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The trinuclear cyanide-bridged heterometallic Pd(II)–Mn(III) complexes {[Mn(L1)(H2O)]2[Pd(CN)4]} and {[Mn(L2)(H2O)]2[Pd(CN)4]}·2H2O (L1 = N,N‘-1,2-propylene-bis(3-methoxysalicylideneiminate; L2 = N,N′-1,2-propylene-bis(3-ethoxysalicylideneiminate) were obtained and structurally and magnetically characterised. X-ray diffraction revealed their cyanide-bridged trinuclear core nature with a conformational difference. The magnetic susceptibilities of the two complexes revealed overall weak antiferromagnetic interactions between the adjacent Mn(III) ions.
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Affiliation(s)
- Jingwen Shi
- College of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
| | - Yin Zhou
- College of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
| | - Chongchong Xue
- College of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
| | - Qingyun Liu
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266510, P.R. China
| | - Daopeng Zhang
- College of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
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29
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Alexandru MG, Visinescu D, Shova S, Oliveira WXC, Lloret F, Julve M. Design of 3d–4f molecular squares through the [Fe{(HB(pz)3)}(CN)3]− metalloligand. Dalton Trans 2018; 47:6005-6017. [DOI: 10.1039/c8dt00895g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new series of cyanido-bridged {FeIII2LnIII2} heterobimetallic molecular squares [Ln = La (1), Gd (2), Tb (3) and Dy (4)] has been prepared and magneto-structurally investigated.
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Affiliation(s)
- Maria-Gabriela Alexandru
- Department of Inorganic Chemistry
- Physical Chemistry and Electrochemistry
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory
- “Ilie Murgulescu” Institute of Physical Chemistry
- Romanian Academy
- Bucharest 060021
- Romania
| | - Sergiu Shova
- “Petru Poni” Institute of Macromolecular Chemistry
- Romanian Academy
- RO-700487 Iasi
- Romania
| | - Willian X. C. Oliveira
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- BH
- Brazil
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto de Ciencia Molecular
- Universitat de València
- Paterna
- Spain
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular
- Universitat de València
- Paterna
- Spain
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30
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Oviedo PS, Pieslinger GE, Cadranel A, Baraldo LM. Exploring the localized to delocalized transition in non-symmetric bimetallic ruthenium polypyridines. Dalton Trans 2017; 46:15757-15768. [PMID: 29095449 DOI: 10.1039/c7dt02422c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, we report the evolution of the properties of the inter-valence charge transfer (IVCT) transition in a family of cyanide-bridged ruthenium polypyridines of general formula [RuII(tpy)(bpy)(μ-CN)RuIII(bpy)2(L)]3/4+ (tpy = 2,2',6',2''-terpyridine; bpy = 2,2'-bipyridine; L = Cl-, NCS-, 4-dimethylaminopyridine or acetonitrile). In these complexes, the redox potential difference between both ruthenium centers (ΔE) is systematically modified. A decrease in ΔE causes a red shift of the energy and an intensity enhancement of the observed IVCT transitions. For L = acetonitrile, the IVCT band becomes narrower and asymmetrical, and shows very little dependence on the nature of the solvent, suggesting a delocalized configuration, although a non-symmetrical one. Also, additional electronic transitions of low energy are clearly resolved in this complex. The observed variation in the properties of the IVCT transitions can be understood on the basis of DFT calculations, that point to increasing mixing between the dπ orbitals of both Ru ions.
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Affiliation(s)
- Paola S Oviedo
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Inorgánica, Analítica y Química Física, Pabellón 2, Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina.
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31
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Shi J, Meng Q, Xue C, Liu Q, Zhang D. One-dimensional cyanide-bridged Cr(III)–Cu(II) complexes: synthesis, crystal structures and magnetic properties. TRANSIT METAL CHEM 2017. [DOI: 10.1007/s11243-017-0192-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Alexandru M, Visinescu D, Braun‐Cula B, Lloret F, Julve M. Synthesis, Crystal Structure and Magnetic Properties of Three {Cr
III
Mn
II
} Heterodimetallic Complexes Based on Heteroleptic Cyanido‐Bearing Cr
III
Building Blocks. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700313] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Maria‐Gabriela Alexandru
- Department of Inorganic Chemistry Physical Chemistry and Electrochemistry Faculty of Applied Chemistry and Materials Science University Politehnica of Bucharest 1‐7 Gh. Polizu Street 01106 Bucharest Romania
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory “Ilie Murgulescu” Institute of Physical Chemistry Romanian Academy 060021 Bucharest Romania
| | - Beatrice Braun‐Cula
- Department of Chemistry Humboldt‐Universität zu Berlin Brook‐Taylor‐Str. 2 12489 Berlin Germany
| | - Francesc Lloret
- Departamento de Química Inorgànica/Instituto de Ciencia Molecular Facultat de Química de la Universitat de València C/ Catedrático José Beltrán 46980 Paterna València Spain
| | - Miguel Julve
- Departamento de Química Inorgànica/Instituto de Ciencia Molecular Facultat de Química de la Universitat de València C/ Catedrático José Beltrán 46980 Paterna València Spain
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33
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Xue C, Shi J, Liu Q, Zhang D, Wang J. Synthesis, crystal structures and magnetic properties of cyanide-bridged heterobimetallic trinuclear Cr 2 III MnII complexes based on the cis-dicyanidemetalate [Cr(2,2′-bipy)2(CN)2]ClO4 building block. TRANSIT METAL CHEM 2017. [DOI: 10.1007/s11243-017-0149-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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34
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Xue C, Shi J, Zhang D. Synthesis, crystal structures and magnetic characterisation of two 2p–3d metallic coordination polymers. JOURNAL OF CHEMICAL RESEARCH 2017. [DOI: 10.3184/174751917x14956302352017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The coordination polymers {Mg[Fe(L)(CN)5]}n·0.5nH2O and {MgCu2(CH3COO)6}n [L = bis( N-imidazolyl)methane] have been synthesised. X-ray diffraction revealed that {Mg[Fe(L)(CN)5]}n·0.5nH2O has a one-dimensional neutral chain structure consisting of alternating [Mg(L)2(H2O)2)]2+ species and [Fe(L)(CN)5]2– building blocks, which can be further linked into a three-dimensional supramolecular structure by inter-chain p–p interactions. {MgCu2(CH3COO)6}n has a three-dimensional network with the [MgCu2(CH3COO)6] unit as neutral core extended by Mg–O bonds. Magnetic susceptibility studies on {MgCu2(CH3COO)6}n revealed antiferromagnetic interactions between adjacent Cu(II) ions.
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Affiliation(s)
- Chongchong Xue
- College of Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
| | - Jingwen Shi
- College of Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
| | - Daopeng Zhang
- College of Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
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35
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A cyanide-bridged one-dimensional CrIIICoII metamagnet based on the trans-dicyanidechromate(III) building block. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2017.03.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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36
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Xue CC, Zhang HY, Zhang DP. Synthesis, crystal structure, and magnetic characterization of two manganese Schiff-base-containing complexes. RUSS J COORD CHEM+ 2017. [DOI: 10.1134/s107032841704008x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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37
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Neutral Low-Dimensional Assemblies of a Mn(III) Schiff Base Complex and Octacyanotungstate(V): Synthesis, Characterization, and Magnetic Properties. MAGNETOCHEMISTRY 2017. [DOI: 10.3390/magnetochemistry3020016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Alexandru MG, Visinescu D, Shova S, Andruh M, Lloret F, Julve M. Synthesis, Crystal Structures, and Magnetic Properties of Two Novel Cyanido-Bridged Heterotrimetallic {CuIIMnIICrIII} Complexes. Inorg Chem 2017; 56:2258-2269. [DOI: 10.1021/acs.inorgchem.6b02966] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Maria-Gabriela Alexandru
- Department of Inorganic Chemistry, Physical Chemistry
and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 01106 Bucharest, Romania
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory, “Ilie
Murgulescu” Institute of Physical Chemistry, Romanian Academy, Splaiul
Independentei 202, Bucharest 060021, Romania
| | - Sergiu Shova
- “Petru Poni”
Institute of Macromolecular Chemistry, Romanian Academy, Aleea Grigore
Ghica Vodă 41-A, RO-700487 Iasi, Romania
| | - Marius Andruh
- Inorganic Chemistry Laboratory,
Faculty of Chemistry, University of Bucharest, Str. Dumbrava Rosie 23, 020464 Bucharest, Romania
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto
de Ciencia Molecular, Universitat de València, C/Catedrático José
Beltrán 2, 46980 Paterna, València, Spain
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto
de Ciencia Molecular, Universitat de València, C/Catedrático José
Beltrán 2, 46980 Paterna, València, Spain
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39
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Aratani Y, Suenobu T, Ohkubo K, Yamada Y, Fukuzumi S. Dual function photocatalysis of cyano-bridged heteronuclear metal complexes for water oxidation and two-electron reduction of dioxygen to produce hydrogen peroxide as a solar fuel. Chem Commun (Camb) 2017; 53:3473-3476. [DOI: 10.1039/c7cc00621g] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogen peroxide was produced from oxygen and water via visible-light irradiation of polymeric heteronuclear cyano-bridged complexes with the 2,2′-bipyridine ligand (bpy) (MII[RuII(CN)4(bpy)]; MII = NiII, FeII and MnII).
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Affiliation(s)
- Yusuke Aratani
- Department of Material and Life Science
- Graduate School of Engineering
- Osaka University
- SENTAN
- Japan Science and Technology Agency (JST)
| | - Tomoyoshi Suenobu
- Department of Material and Life Science
- Graduate School of Engineering
- Osaka University
- SENTAN
- Japan Science and Technology Agency (JST)
| | - Kei Ohkubo
- Department of Material and Life Science
- Graduate School of Engineering
- Osaka University
- SENTAN
- Japan Science and Technology Agency (JST)
| | - Yusuke Yamada
- Department of Applied Chemistry and Bioengineering
- Graduate School of Engineering
- Osaka City University
- Japan
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science
- Ewha Womans University
- Seoul 120-750
- Korea
- Faculty of Science and Engineering
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40
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Alexandru MG, Visinescu D, Shova S, Lloret F, Julve M. Synthesis, crystal structure and magnetic properties of a cyanide-bridged heterometallic {Co IIMn III} chain. Dalton Trans 2016; 46:39-43. [PMID: 27901154 DOI: 10.1039/c6dt04087j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The assembly reaction between the low-spin [CoII(dmphen)(CN)3]- metalloligand and the [MnIII(salen)(H2O)]+ complex cation yielded the one-dimensional compound {[MnIII(salen)(μ-NC)2CoII(dmphen)(CN)]·2H2O}n (1), which behaves as a ferrimagnetic chain, the intrachain magnetic coupling being J = -1.71(1) cm-1.
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Affiliation(s)
- Maria-Gabriela Alexandru
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 01106, Bucharest, Romania.
| | - Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory, "Ilie Murgulescu" Institute of Physical Chemistry, Romanian Academy, Splaiul Independentei 202, Bucharest-060021, Romania
| | - Sergiu Shova
- "Petru Poni" Institute of Macromolecular Chemistry of the Romanian Academy, Aleea Grigore Ghica Vodă 41-A, RO-700487 Iasi, Romania
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto de Ciencia Molecular, Facultat de Química de la Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular, Facultat de Química de la Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
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41
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Sohn AR, Lim KS, Kang DW, Song JH, Koh EK, Moon D, Hong CS. Tuning of chain chirality by interchain stacking forces and the structure-property relationship in coordination systems constructed by meridional Fe III cyanide and Mn III Schiff bases. Dalton Trans 2016; 45:19416-19427. [PMID: 27882362 DOI: 10.1039/c6dt03222b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We synthesized six Fe(iii)-Mn(iii) bimetallic compounds by self-assembling the newly developed mer-Fe cyanide PPh4[Fe(Clqpa)(CN)3]·H2O (1) and PPh4[Fe(Brqpa)(CN)3]·H2O (2) with Mn Schiff base Mn(5-Xsalen)+ cations. These compounds include [Fe(Xqpa)(CN)3][Mn(5-Ysalen)]·pMeOH·qH2O [qpaH2 = N-(quinolin-8-yl)picolinamide; salen = N,N'-ethylenebis(salicylideneiminato) dianion; X = Cl, Y = H (3); X = Cl, Y = Br (4); X = Br, Y = H (5); X = Br, Y = F (6); X = Br, Y = Cl (7); X = Br, Y = Br (8)]. When precursor 1 was used, compounds 3 and 4 were isolated to give a dinuclear entity and a linear chain structure, respectively. The reaction of precursor 2 with the Schiff bases afforded four linear Fe(iii)-Mn(iii) chain complexes. Chain chirality with P- and M-helicity emerges in 4, 7, and 8, while 5 exhibits chain helicity opposite to the previous chain complexes and 6 presents no chain helicity. Such a structural feature is heavily dependent on the interchain π-π contacts and the Fe precursor bridging unit. Chiral induction from a local ethylenediamine link of Y-salen is propagated over the chain via noncovalent π-π interactions. All the bimetallic compounds show antiferromagnetic interactions transmitted by the cyanide linkage. A field-induced metamagnetic transition is involved in 4, 7, and 8, while a field-induced two-step transition is evident in 6. From a magnetostructural viewpoint, the coupling constant is primarily governed by the Mn-Nax-Cax angle (ax = axial) in the bimetallic chain complexes composed of mer-Fe(iii) tricyanides, although the torsion angle plays a role.
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Affiliation(s)
- Ah Ram Sohn
- Department of Chemistry, Korea University, Seoul 136-713, Korea.
| | - Kwang Soo Lim
- Department of Chemistry, Korea University, Seoul 136-713, Korea.
| | - Dong Won Kang
- Department of Chemistry, Korea University, Seoul 136-713, Korea.
| | - Jeong Hwa Song
- Department of Chemistry, Korea University, Seoul 136-713, Korea.
| | - Eui Kwan Koh
- Nano-Bio System Research Team, Korea Basic Science Institute, Seoul 136-713, Korea
| | - Dohyun Moon
- Beamline Division, Pohang Accelerator Laboratory, Pohang, Kyungbuk 790-784, Korea
| | - Chang Seop Hong
- Department of Chemistry, Korea University, Seoul 136-713, Korea.
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42
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Zhang R, Zhang T, Ni Z, Zhang L, Kou H. Design, syntheses, crystal structures and magnetic properties of a series of cyanide-bridged heterometallic Cr(III)–Mn(III) one-dimensional complexes. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.09.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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43
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Sayın E, Kürkçüoğlu GS, Yeşilel OZ, Taş M, Öztürk M, Yerli Y. Synthesis, crystal structure and magnetic property of one-dimensional heterometallic cyanide-bridged complex: {[Cu(hmpH)2Cu(hmp)(hmpH)Co(μ-CN)4(CN)2]·2H2O}. Polyhedron 2016. [DOI: 10.1016/j.poly.2016.04.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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44
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Zhang R, Xu L, Ni ZH, Chen H, Zhang LF. Synthesis, crystal structure and magnetic properties of a new cyanide-bridged two-dimensional CrIII2CoII3 ferromagnet. INORG CHEM COMMUN 2016. [DOI: 10.1016/j.inoche.2016.03.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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45
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Viljoen E, Zhu K, Loeb SJ. From Binuclear Complexes to Molecular Necklaces: Incorporating Flexible Ligands into Rotaxanes. Chemistry 2016; 22:7479-84. [DOI: 10.1002/chem.201504831] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Indexed: 01/04/2023]
Affiliation(s)
- Elizabeth Viljoen
- Department of Chemistry and Biochemistry University of Windsor Windsor Ontario N9B 3P4 Canada
| | - Kelong Zhu
- Department of Chemistry and Biochemistry University of Windsor Windsor Ontario N9B 3P4 Canada
| | - Stephen J. Loeb
- Department of Chemistry and Biochemistry University of Windsor Windsor Ontario N9B 3P4 Canada
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46
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Syntheses, crystal structures and magnetic properties of two heterometallic cyanide-bridged [MII2MnII2] (M = Fe and Os) square complexes. Polyhedron 2016. [DOI: 10.1016/j.poly.2015.12.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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47
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Dong D, Zhang Y, Jiao C, Zhao L, Liu T, Liu D, Li Z, Liu J, Liu D. Syntheses, structures, and magnetic properties of three new cyano-bridged heterobimetallic chains based on [Fe(Tp*)(CN)3]−. NEW J CHEM 2016. [DOI: 10.1039/c6nj01015f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three, new, one-dimensional (1D) heterobimetallic cyano-bridged chain complexes of squares were prepared. The simultaneous presence of magnetic and porous properties have been found in compound 1–3.
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Affiliation(s)
- Dapeng Dong
- Liaoning Key Laboratory of Optoelectronic Films and Materials
- School of Physics and Materials Engineering
- Dalian Nationalities University
- Dalian 116600
- P. R. China
| | - Yanjuan Zhang
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian
- P. R. China
| | - Chengqi Jiao
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian
- P. R. China
| | - Liang Zhao
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian
- P. R. China
| | - Tao Liu
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian
- P. R. China
| | - Dedi Liu
- Liaoning Key Laboratory of Optoelectronic Films and Materials
- School of Physics and Materials Engineering
- Dalian Nationalities University
- Dalian 116600
- P. R. China
| | - Zhenghua Li
- Liaoning Key Laboratory of Optoelectronic Films and Materials
- School of Physics and Materials Engineering
- Dalian Nationalities University
- Dalian 116600
- P. R. China
| | - Jia Liu
- Liaoning Key Laboratory of Optoelectronic Films and Materials
- School of Physics and Materials Engineering
- Dalian Nationalities University
- Dalian 116600
- P. R. China
| | - Dongping Liu
- Liaoning Key Laboratory of Optoelectronic Films and Materials
- School of Physics and Materials Engineering
- Dalian Nationalities University
- Dalian 116600
- P. R. China
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48
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Zhang D, Kong L, Zhang H, Chen K. Synthesis, crystal structures, and magnetic properties of three pairs of chiral cyanide-bridged Fe(III)–Cu(II) enantiomeric complexes. J COORD CHEM 2015. [DOI: 10.1080/00958972.2015.1080360] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Daopeng Zhang
- College of Chemical Engineering, Shandong University of Technology, Zibo, PR China
| | - Lingqian Kong
- Dongchang College, Liaocheng University, Liaocheng, PR China
| | - Hongyan Zhang
- College of Chemical Engineering, Shandong University of Technology, Zibo, PR China
| | - Kexun Chen
- College of Chemical Engineering, Shandong University of Technology, Zibo, PR China
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49
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Ding M, Rouzières M, Losovyj Y, Pink M, Clérac R, Smith JM. Partial Nitrogen Atom Transfer: A New Synthetic Tool to Design Single-Molecule Magnets. Inorg Chem 2015; 54:9075-80. [DOI: 10.1021/acs.inorgchem.5b01455] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mei Ding
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Mathieu Rouzières
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Yaroslav Losovyj
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Maren Pink
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Rodolphe Clérac
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Jeremy M. Smith
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
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50
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Towards multifunctional magnetic systems through molecular-programmed self assembly of Re(IV) metalloligands. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.11.007] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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