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9 results on '"Dong-wei Guo"'

4. Infinite Coordination Polymers of One- and Two-dimensional Cobalt Acetates

Author

Dong-Wei Guo, Jian Lin, Gao Zhang, Yun-Qi Tian, and Shi-Yan Yao

Subjects
chemistry.chemical_classification, Solvothermal synthesis, Inorganic chemistry, Infrared spectroscopy, chemistry.chemical_element, Polymer, Inorganic Chemistry, Crystallography, chemistry, X-ray crystallography, Molecule, Orthorhombic crystal system, Cobalt, Monoclinic crystal system
Abstract

Two coordination polymers of cobalt acetate, [Co5(O2CMe)10] (1) and [Co(O2CMe)2(H2O)]·H2O (2), were solvothermally synthesized and characterized by single-crystal and powder X-ray diffraction analyses, IR spectroscopy, and elemental analysis. Compound 1 crystallizes in orthorhombic space group Pbcn in two-dimensional layers, which consist of 12-membered cobalt rings. Compound 2 crystallizes in monoclinic space group C2/m and exhibits one-dimensional chains, which are bridged by one water molecule and two acetate ligands in (2.11)- and (2.20)-modes. Preliminary magnetic studies revealed that antiferromagnetic couplings exist in both compounds.

Published
2010

5. Cadmium Imidazolate Frameworks with Polymorphism, High Thermal Stability, and a Large Surface Area

Author

Yun-Qi Tian, Shi-Yan Yao, Gao Zhang, Dongyuan Zhao, Dong Gu, Zhenxia Chen, Ke-Hui Cui, and Dong-Wei Guo

Subjects
Cadmium, chemistry.chemical_compound, chemistry, Polymorphism (materials science), Organic Chemistry, Imidazolate, Inorganic chemistry, chemistry.chemical_element, Thermal stability, Metal-organic framework, General Chemistry, Catalysis, Zeolitic imidazolate framework
Published
2010

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