Supramolecular assemblies of new 2-D complexes: Syntheses, crystal structures, spectroscopic and magnetic properties of {[MnAu2(CN)4(NITpPy)2(H2O)2]}n and {[Co(N(CN)2)2(NITpPy)2(H2O)2]}n |
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| Authors: | Hui-Bo Zhou Shu-Ping Wang Dai-Zheng Liao Zong-Hui Jiang Peng Cheng |
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| Institution: | a Department of Chemistry, Nankai University, Weijin Road, Tianjin 300071, PR China
b State Key Laboratory of Structure Chemistry, Fujian Institute of Research on Structure of Matter, Chinese Academy of Science, Fuzhou, Fujian 350002, PR China |
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| Abstract: | Two new complexes, {MnAu2(CN)4(NITpPy)2(H2O)2]}n (1) and {Co(N(CN)2)2(NITpPy)2(H2O)2]}n (2), have been synthesized and characterized. The single-crystal X-ray analysis for the complexes 1 and 2 demonstrates that each M(II) (M = Mn or Co) ion assumes a distorted octahedral MN4O2 coordination polyhedron. Four nitrogen atoms come from the cyanide groups and the pyridyl rings in a common plane, and two oxygen atoms come from the H2O molecules in trans-positions. The structures of complexes 1 and 2 illustrate that aurophilicity and/or hydrogen bonding interactions play important roles in increasing dimensionality. Magnetic investigations on complexes 1 and 2 show the presence of weak antiferromagnetic interactions. |
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| Keywords: | Complexes Octahedral Aurophilicity Hydrogen bonding interactions Antiferromagnetic |
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