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Dunatov M, Zhao Z, Žilić D, Androš Dubraja L. A homochiral tartrate-bridged dinuclear chromium(III) complex anion with a resonance-assisted hydrogen bond for proton conduction. Dalton Trans 2024; 53:9315-9322. [PMID: 38747185 DOI: 10.1039/d4dt00783b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
The synthesis of a homochiral building block based on L-tartrate-chromium(III) complex anions is reported. The dinuclear complex anion, which contains two bridging L-tartrate ligands and one aromatic N-donor ligand coordinated to chromium(III) ions, exhibits a boat conformation in which intramolecular resonance-assisted hydrogen bonding is present. The sodium L-tartrate-chromium(III) compound with the formula Na[Cr2(bpy)2(L-tart)2H]·9H2O (1) crystallizes from a methanol-water solution as a high water content material in the monoclinic space group P2. The as-synthesized compound is only stable at high relative humidity and undergoes structural transformations during drying, which are accompanied by water loss. However, these transformations are reversible and upon wetting, the material returns to its high water content structure. Based on a combination of experimental techniques (PXRD, in situ ATR-FTIR and EPR spectroscopy), the structure of the complex anions appears to be insensitive to the humidity variable processes (wetting and drying). Due to the presence of several hydrogen acceptor and donor groups in the L-tartrate-chromium(III) complex anion, we investigated the proton transport properties of a sodium L-tartrate-chromium(III) compound by impedance spectroscopy under dry and wet conditions at different temperatures. Since the relative humidity affects the structural transformations in this system, it also has a large influence on the proton conductivity, which varies by up to four orders of magnitude depending on the degree of hydration. These results confirm that the proton conductivity can be tuned in flexible structures in which non-covalent interactions determine the crystal packing.
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Affiliation(s)
- Marko Dunatov
- Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Zhibo Zhao
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Kaiserstraße 12, 76131 Karlsruhe, Germany
| | - Dijana Žilić
- Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia.
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Muratović S, Martinez V, Karadeniz B, Pajić D, Brekalo I, Arhangelskis M, Mazaj M, Mali G, Etter M, Friščić T, Krupskaya Y, Kataev V, Žilić D, Užarević K. Low-Dimensional Magnetism in Multivariate Copper/Zinc MOF-74 Materials Formed via Different Mechanochemical Methods. Inorg Chem 2022; 61:18181-18192. [DOI: 10.1021/acs.inorgchem.2c02898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Senada Muratović
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
| | | | - Bahar Karadeniz
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
| | - Damir Pajić
- Faculty of Science, Department of Physics, University of Zagreb, Bijenička cesta 32, 10000Zagreb, Croatia
| | - Ivana Brekalo
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
| | - Mihails Arhangelskis
- Faculty of Chemistry, University of Warsaw, 1 Pasteura Street, 02-093Warsaw, Poland
| | - Matjaž Mazaj
- National Institute of Chemistry, Hajdrihova 19, SI-1001Ljubljana, Slovenia
| | - Gregor Mali
- National Institute of Chemistry, Hajdrihova 19, SI-1001Ljubljana, Slovenia
| | - Martin Etter
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607Hamburg, Germany
| | | | - Yulia Krupskaya
- Leibniz IFW Dresden, Helmholtzstrasse 20, D-01069Dresden, Germany
| | - Vladislav Kataev
- Leibniz IFW Dresden, Helmholtzstrasse 20, D-01069Dresden, Germany
| | - Dijana Žilić
- Rud̵er Bošković Institute, Bijenička cesta 54, 10000Zagreb, Croatia
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Garg NK, Goriya Y, Seetharaman M, Muratović S, Pajić D, Cetina M, Petreska I, Krupskaya Y, Kataev V, Johnson MT, Wendt OF, Žilić D. Mononuclear Iron(III) Complex with Unusual Temperature Change of Color and Magneto-Structural Properties: Synthesis, Structure, Magnetization, Multi-frequency ESR and DFT Study. Dalton Trans 2022; 51:2338-2345. [DOI: 10.1039/d1dt03751j] [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
From the reaction of 2-hydroxy-6-methylpyridine (L) with iron(II) tetrafluoroborate, a new mononuclear iron(III) octahedral complex [FeL6](BF4)3 has been isolated. The color of the complex is reversible changing from red at...
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Zhai YQ, Ge N, Li ZH, Chen WP, Han T, Ouyang ZW, Wang Z, Zheng YZ. Magnetic Anisotropy: Structural Correlation of a Series of Chromium(II)-Amidinate Complexes. Inorg Chem 2021; 60:1344-1351. [PMID: 33423464 DOI: 10.1021/acs.inorgchem.0c02065] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Systematic substituent variations on amidinate ligands bring delicate changes of CrN4 coordination in a family of chromium(II) complexes with the common formula of Cr(RNC(CH3)NR)2, where R = iPr (1), Cy (2), Dipp (Dipp = 2, 6-diisopropylphenyl) (3), and tBu (4). With the largest substituent group, 4 shows the largest distortion of the N4 coordination geometry from square-planar to seesaw shape, which leads to its field-induced single-molecule magnet (SMM) behavior. This is an indication that 4 has the strongest axial magnetic anisotropy and/or optimized magnetic relaxation process. Combined with high-frequency/field electron paramagnetic resonance (HF-EPR) experiments and ab initio calculations, we deduce that the smallest energy gap between ground 4Ψ0 and the first excited 4Ψ1 orbitals in 4 contributes the most to its strongest magnetic anisotropy. Moreover, the lower E value of 4 ensures its being a field-induced SMM. Specifically, the D and E values were found to be correlated to the dihedral angle between the ΔN1CrN2 and ΔN3CrN4 triangles, indicating that distortion from ideal square-planar geometry to the seesaw help increase axial magnetic anisotropy and suppress the transversal part. Thus, the study on this system not only expands the family of Cr(II)-based SMMs but also contributes to a deeper understanding of magneto-structural correlation in four-coordinate Cr(II) SMMs.
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Affiliation(s)
- Yuan-Qi Zhai
- Xi'an Jiaotong University Shenzhen Research School, Frontier Institute of Science and Technology (FIST), State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy and Materials Chemistry and School of Chemistry, Xi'an Jiaotong University, Xi'an 710054, China
| | - Ning Ge
- Xi'an Jiaotong University Shenzhen Research School, Frontier Institute of Science and Technology (FIST), State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy and Materials Chemistry and School of Chemistry, Xi'an Jiaotong University, Xi'an 710054, China
| | - Zi-Han Li
- Xi'an Jiaotong University Shenzhen Research School, Frontier Institute of Science and Technology (FIST), State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy and Materials Chemistry and School of Chemistry, Xi'an Jiaotong University, Xi'an 710054, China
| | - Wei-Peng Chen
- Xi'an Jiaotong University Shenzhen Research School, Frontier Institute of Science and Technology (FIST), State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy and Materials Chemistry and School of Chemistry, Xi'an Jiaotong University, Xi'an 710054, China
| | - Tian Han
- Xi'an Jiaotong University Shenzhen Research School, Frontier Institute of Science and Technology (FIST), State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy and Materials Chemistry and School of Chemistry, Xi'an Jiaotong University, Xi'an 710054, China
| | - Zhong-Wen Ouyang
- Wuhan National High Magnetic Field Centre & School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhenxing Wang
- Wuhan National High Magnetic Field Centre & School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yan-Zhen Zheng
- Xi'an Jiaotong University Shenzhen Research School, Frontier Institute of Science and Technology (FIST), State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy and Materials Chemistry and School of Chemistry, Xi'an Jiaotong University, Xi'an 710054, China
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5
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Androš Dubraja L, Žilić D, Olujić K, Pavić L, Molčanov K, Pajić D. Targeted synthesis of a Cr III–O–V V core oxo-bridged complex: spectroscopic, magnetic and electrical properties. NEW J CHEM 2021. [DOI: 10.1039/d1nj00430a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The results of vibrational, electronic, structural, thermal, magnetic and impedance spectroscopy studies are presented in the first reported compound with a CrIII–O–VV bridge.
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Affiliation(s)
| | - Dijana Žilić
- Ruđer Bošković Institute
- Bijenička Cesta 54
- 10000 Zagreb
- Croatia
| | - Kristina Olujić
- Ruđer Bošković Institute
- Bijenička Cesta 54
- 10000 Zagreb
- Croatia
| | - Luka Pavić
- Ruđer Bošković Institute
- Bijenička Cesta 54
- 10000 Zagreb
- Croatia
| | | | - Damir Pajić
- Department of Physics
- Faculty of Science
- University of Zagreb
- 10000 Zagreb
- Croatia
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Fortea-Pérez FR, Pasán J, Pascual-Alvarez A, Ruiz-Pérez C, Julve M, Lloret F. One-dimensional oxalato-bridged heterobimetallic coordination polymers by using [the [Cr(pyim)(C2O4)2]− complex as metalloligand [pyim = 2-(2′-pyridyl)imidazole]. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2018.09.080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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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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Androš Dubraja L, Jurić M, Lafargue-Dit-Hauret W, Pajić D, Zorko A, Ozarowski A, Rocquefelte X. First crystal structures of oxo-bridged [Cr IIITa V] dinuclear complexes: spectroscopic, magnetic and theoretical investigations of the Cr–O–Ta core. NEW J CHEM 2018. [DOI: 10.1039/c8nj01493k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The vibrational, electronic, structural and magnetic properties of dinuclear compounds with a Cr–O–Ta bridge were validated with DFT calculations.
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Affiliation(s)
| | | | | | - Damir Pajić
- Department of Physics
- Faculty of Science
- University of Zagreb
- 10000 Zagreb
- Croatia
| | | | - Andrew Ozarowski
- National High Magnetic Field Laboratory
- Florida State University
- Tallahassee
- USA
| | - Xavier Rocquefelte
- Institut des Sciences Chimiques de Rennes
- UMR CNRS 6226
- Université de Rennes 1
- 35042 Rennes
- France
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