作者: Guo-Ming Wang , Bo Xu , Hui-Luan Liu , Qing-Hua Zheng
DOI: 10.1107/S1600536806041559
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摘要: In the title compound, [Er(IN)3(H2O)2]n, where IN is isonicotinate anion, C6H4NO2−, asymmetric unit contains one half-molecule. The ErIII atom lies on a crystallographic twofold axis and coordinated by four two carboxylate O atoms from bridging chelating groups, respectively, water molecules, yielding an eight-coordinate square-antiprismatic geometry. crystal structure, polymer features infinite doubly carboxylate-bridged chain-like structure with group each metal centre. Adjacent chains are, in turn, connected to other through intermolecular O—H⋯O O—H⋯N hydrogen bonds, forming three-dimensional network.