Solvothermal synthesis and structures of three novel heterometallic microporous coordination polymers assembled from 2-hydroxy-nicotinic acid |
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| Authors: | Hua Hong Zou Shu Hua Zhang Yu Xiao Chao Feng Yin Guang Wang |
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| Institution: | (1) College of Chemistry and Bioengineering, Guilin University of Technology (Key Laboratory of Nonferrous and Materials Processing Technology, Ministry of Education), Guilin, 541004, People’s Republic of China;(2) Department of Chemistry and Chemical Engineering, Guangxi Normal University (Key Laboratory of Medicinal Chemical Resources and Molecular Engineering), Guilin, 541004, People’s Republic of China;(3) Department College of Enviromental Science and Engineering, Guilin University of Technology (Guangxi Key Laboratory of Environmental Engineering, Protection and Assessment), Guilin, 541004, People’s Republic of China; |
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| Abstract: | Abstract Three novel heterometallic microporous coordination polymers {M(Hnico)3M′}
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(1, M = Co, M′ = K; 2, M = Ni, M′ = K; 3, M = Co, M′ = Na, Hnico is the anion of 2-hydroxy-nicotinic acid, where the proton is transferred from the phenolate hydroxy
group to the nitrogen atom of imine pyridine ring) were synthesized by hydrothermal reaction between M(Ac)2·4H2O, M′OH and a multifunctional organic aromatic H2nico ligand and characterized by IR spectrum, elemental analysis, raman spectrum and the single crystal X-ray diffractions.
In complexes 1–3, the M2+ ions linked three different Hnico ligand formed M(Hnico)3]− subunit which further interlinked the six-coordination M′+ cation constructed 3D network. The network topology of 1–3 can be simplified a rare 3D (4,4)-connected (41263) net. |
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