Synthesis and Crystal Structure of the Coordination Polymer of Ni-Mo8-Pyrazinecarboxylic Acid |
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| Authors: | Xiao-Min Li Ya-Guang Chen Shi Zhou Tian Shi |
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| Institution: | 1. Key Laboratory of Polyoxometalates Science of Ministry of Education, College of Chemistry, Northeast Normal University, Changchun, 130024, Jilin, China
2. Department of Chemistry, Yili Normal University, Yining, 835000, Xingjiang, China
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| Abstract: | An inorganic–organic hybrid compound Ni4(pzac)4(H2O)8(β-Mo8O26)]·2H2O (1), pzac = 2- pyrazinecarboxylic acid, was synthesized hydrothermally and characterized by IR spectrum, TGA, X-ray single-crystal diffraction. Photoluminescence property has been investigated. In 1 pzac coordinates to Ni1 with a chelating mode and bridges Ni2 forming a one-dimensional undulate chain structure. Ni atom accepts a terminal oxygen atom of β-Mo8O26]4? anion with a little longer Ni–O distances of 2.685 Å and 2.767 Å. β-Mo8O26]4? anion links four Ni atoms of four chains, forming a three-dimensional covalent framework. Lattice water molecules fill the vacancies of the framework. |
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