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Lv MH, Li SF, Ren MM, Wang JX, Tang RL, Chen J, Huang H, Zhang B, Yan D. [C(NH 2) 3] 6Mo 7O 24: A Guanidinium Molybdate as a UV Nonlinear Optical Crystal with Large Birefringence. Inorg Chem 2024; 63:3948-3954. [PMID: 38350031 DOI: 10.1021/acs.inorgchem.3c04344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
The key to searching novel nonlinear optical (NLO) crystals was effectively combining the NLO-active units to obtain a noncentrosymmetric structure. Nevertheless, the present predicament lies in the growing challenge of discovering novel crystals within conventional inorganic frameworks that surpass the properties of the current NLO materials. In view of this, researchers expanded their research focus to the organic-inorganic hybridization system; it is foreseeable to concentrate the advantages from several kinds of NLO-active units to acquire novel NLO crystals with superior properties. We herein report an organic-inorganic hybrid molybdate crystal, namely, [C(NH2)3]6Mo7O24 (GMO). It was successfully obtained via combining inorganic NLO-active MoO6 octahedra and organic π-conjugated [C(NH2)3]+ groups. GMO demonstrates a moderate second-harmonic-generation response, specifically measuring about 1.3 times the value of KDP. Additionally, it exhibits a significant birefringence value of 0.203 at the wavelength of 550 nm and possesses a wide band gap of 3.31 eV. Theoretical calculations suggest that the optical properties of the GMO are primarily influenced by the synergy effect of [C(NH2)3]+ groups between MoO6 octahedra.
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Affiliation(s)
- Meng-Han Lv
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Shu-Fang Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Meng-Meng Ren
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Jia-Xin Wang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Ru-Ling Tang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China
| | - Jin Chen
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350002, China
| | - Hongbo Huang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Bingbing Zhang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Dong Yan
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
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Sarr B, Mbaye A, Diallo W, Diop CAK, Sidibe M, Michaud F. Synthesis and crystal structure of a new hybrid organic–inorganic material containing neutral molecules, cations and heptamolybdate anions. Acta Crystallogr E Crystallogr Commun 2019; 75:1001-1004. [PMID: 31392013 PMCID: PMC6659346 DOI: 10.1107/s2056989019008454] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 06/14/2019] [Indexed: 12/02/2022]
Abstract
In the crystal structure of hexakis(2-methyl-1H-imidazol-3-ium) heptamolybdate 2-methyl-1H-imidazole disolvate dihydrate,(C4H7N2)6[Mo7O24]·2C4H6N2·2H2O, [Mo7O24]6− heptamolybdate anions, 2-methylimidazolium cations, neutral 2-methylimidazole molecules and water molecules are linked through hydrogen bonds into a three-dimensional network. The title compound, hexakis(2-methyl-1H-imidazol-3-ium) heptamolybdate 2-methyl-1H-imidazole disolvate dihydrate, (C4H7N2)6[Mo7O24]·2C4H6N2·2H2O, was prepared from 2-methylimidazole and ammonium heptamolybdate tetrahydrate in acid solution. The [Mo7O24]6− heptamolybdate cluster anion is accompanied by six protonated (C4H7N2)+ 2-methylimidazolium cations, two neutral C4H6N2 2-methylimidazole molecules and two water molecules of crystallization. The cluster consists of seven distorted MoO6 octahedra sharing edges or vertices. In the crystal, the components are linked by N—H⋯N, N—H⋯O, O—H⋯O, N—H⋯(O,O) and O—H⋯(O,O) hydrogen bonds, generating a three-dimensional network. Weak C—H⋯O interactions consolidate the packing.
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Martín-Caballero J, Artetxe B, Reinoso S, San Felices L, Vitoria P, Larrañaga A, Vilas JL, Gutiérrez-Zorrilla JM. Thermostructural Behavior in a Series of Lanthanide-Containing Polyoxotungstate Hybrids with Copper(II) Complexes of the Tetraazamacrocycle Cyclam: A Single-Crystal-to-Single-Crystal Transformation Study. Inorg Chem 2019; 58:4365-4375. [PMID: 30869882 DOI: 10.1021/acs.inorgchem.8b03471] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of 14 isostructural [Cu(cyclam)]2[{Cu(cyclam)}4{(α-GeW11O39)Ln(H2O)(OAc)}2]·18H2O (1-Ln, where Ln = La-Lu; cyclam = 1,4,8,11-tetraazacyclotetradecane) polyoxometalate-based hybrids reported herein represent (i) the first example of a two-dimensional covalent hybrid lattice involving the [{(α-XW11O39)Ln(H2O)(OAc)}2] n- archetype and (ii) the first structural characterization of such a dimeric polyoxotungste for Ln = La and Pr as well as for the combination of X = Ge and Ln = Ce, Nd, Sm, or Lu. Compounds 1-Ln have been characterized by elemental analyses, infrared spectroscopy, and thermogravimetric analysis, and their thermostructural behavior has been monitored by powder and single-crystal X-ray diffraction. The title compounds undergo two single-crystal-to-single-crystal transformations triggered by thermal dehydration leading to the [{Cu(cyclam)}6{(α-GeW11O39)Ln(H2O)(OAc)}2]·4H2O intermediate (2-Ln, where Ln = Eu or Er) and [Cu(cyclam)]0.5[{Cu(cyclam)}5.5{(α-GeW11O39)Ln(OAc)}2] (3-Ln, where Ln = Ce or Eu) final anhydrous phases, the latter evidencing a coordinatively unsaturated derivative of the dimeric archetype for the first time. These transitions involve formation and disruption of Cu-OPOM bonds that result in different {Cu(cyclam)}2+ moieties grafting onto and being released from Keggin surfaces, which reduces the dimensionality of 1-Ln to one-dimensional covalent assemblies for 2-Ln and 3-Ln. While all 3-Ln phases rehydrate fully upon exposure to air for 24 h, the kinetics governing the crystal transitions back toward 1-Ln through 2-Ln depend on the nature of Ln. Under ambient moisture, the anhydrous structures fully revert back to the parent framework for Ln = La-Sm, while the samples containing Eu to Lu afford mixtures of 1-Ln and 2-Ln and require immersion in water for the structural reversion to reach completion. Single-crystal X-ray diffraction analyses of the rehydrated 1R-Ln samples (Ln = Ce, Eu, and Er) support these observations.
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Affiliation(s)
- Jagoba Martín-Caballero
- BCMaterials, Basque Center for Materials, Applications and Nanostructures , UPV/EHU Science Park , 48940 Leioa , Spain
| | - Beñat Artetxe
- Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología , Universidad del País Vasco UPV/EHU , P.O. Box 644, 48080 Bilbao , Spain
| | - Santiago Reinoso
- Institute for Advanced Materials (InaMat) , Universidad Pública de Navarra (UPNA) , Edificio Jerónimo de Ayanz, Campus de Arrosadia , 31006 Pamplona , Spain
| | - Leire San Felices
- Servicios Generales de Investigación SGIker, Facultad de Ciencia y Tecnología , Universidad del País Vasco UPV/EHU , P.O. Box 644, 48080 Bilbao , Spain
| | - Pablo Vitoria
- Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología , Universidad del País Vasco UPV/EHU , P.O. Box 644, 48080 Bilbao , Spain
| | - Aitor Larrañaga
- Servicios Generales de Investigación SGIker, Facultad de Ciencia y Tecnología , Universidad del País Vasco UPV/EHU , P.O. Box 644, 48080 Bilbao , Spain
| | - José Luis Vilas
- BCMaterials, Basque Center for Materials, Applications and Nanostructures , UPV/EHU Science Park , 48940 Leioa , Spain.,Departamento de Química Física, Facultad de Ciencia y Tecnología , Universidad del País Vasco UPV/EHU , P.O. Box 644, 48080 Bilbao , Spain
| | - Juan M Gutiérrez-Zorrilla
- BCMaterials, Basque Center for Materials, Applications and Nanostructures , UPV/EHU Science Park , 48940 Leioa , Spain.,Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología , Universidad del País Vasco UPV/EHU , P.O. Box 644, 48080 Bilbao , Spain
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Reinoso S, Artetxe B, Gutiérrez-Zorrilla JM. Single-crystal-to-single-crystal transformations triggered by dehydration in polyoxometalate-based compounds. Acta Crystallogr C 2018; 74:1222-1242. [PMID: 30398173 DOI: 10.1107/s2053229618011269] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/07/2018] [Indexed: 01/05/2023] Open
Abstract
Single-crystal-to-single-crystal transformations are solid-state phase transitions between different crystalline states in which the crystal integrity and the long-range structural order are retained through the whole transformation process. Such a phenomenon constitutes the structural response that some compounds afford when being exposed to a given external stimulus (temperature, pressure, light, etc.) and, therefore, its study has become a relevant focus of interest within crystal engineering because it allows for monitoring how certain properties (colour, magnetism, luminescence, porosity) of the stimuli-responsive material are modified as the structure evolves into the activated form. A range of organic, inorganic and hybrid systems have been found to undergo such phase transitions, but these examples only include a small number of compounds that incorporate polyoxometalate anions, among which the removal of guest solvent molecules (dehydration) stands out as the most common external stimulus able to induce the occurrence of a single-crystal-to-single-crystal transformation. This feature article compiles the examples of dehydration-triggered single-crystal-to-single-crystal transformation studies that have been reported to date for polyoxometalate-based compounds and reviews some of their most relevant structural aspects.
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Affiliation(s)
- Santiago Reinoso
- Institute for Advanced Materials (InaMat), Universidad Pública de Navarra (UPNA), Edificio Jerónimo de Ayanz, Campus de Arrosadia, Pamplona 31006, Spain
| | - Beñat Artetxe
- Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU, PO Box 644, Bilbao 48080, Spain
| | - Juan M Gutiérrez-Zorrilla
- Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU, PO Box 644, Bilbao 48080, Spain
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Martín-Caballero J, Wéry ASJ, Artetxe B, Reinoso S, Felices LS, Vilas JL, Gutiérrez-Zorrilla JM. Sequential single-crystal-to-single-crystal transformations promoted by gradual thermal dehydration in a porous metavanadate hybrid. CrystEngComm 2015. [DOI: 10.1039/c5ce01076d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The porous hybrid metavanadate [{Cu(cyclam)}(VO3)2]·5H2O undergoes a series of sequential and reversible transformations upon thermally-triggered gradual dehydration that have been monitored by single-crystal X-ray diffraction.
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Affiliation(s)
| | - Ana San José Wéry
- Departamento de Desarrollo Sostenible
- Universidad Católica de Ávila
- 05005 Ávila, Spain
| | - Beñat Artetxe
- Departamento de Química Inorgánica
- Facultad de Ciencia y Tecnología
- Universidad del País Vasco UPV/EHU
- 48080 Bilbao, Spain
| | - Santiago Reinoso
- Departamento de Química Inorgánica
- Facultad de Ciencia y Tecnología
- Universidad del País Vasco UPV/EHU
- 48080 Bilbao, Spain
| | - Leire San Felices
- Servicios Generales de Investigación SGIker
- Facultad de Ciencia y Tecnología
- Universidad del País Vasco UPV/EHU
- 48080 Bilbao, Spain
| | - José Luis Vilas
- BCMaterials
- Parque Tecnológico de Bizkaia
- 48160 Derio, Spain
- Departamento de Química Física
- Facultad de Ciencia y Tecnología
| | - Juan M. Gutiérrez-Zorrilla
- BCMaterials
- Parque Tecnológico de Bizkaia
- 48160 Derio, Spain
- Departamento de Química Inorgánica
- Facultad de Ciencia y Tecnología
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Wutkowski A, Srinivasan BR, Naik AR, Schütt C, Näther C, Bensch W. Synthesis, Structure, and Photochemistry of an Organic Heptamolybdate-Monomolybdate. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201001154] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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