Synthesis and structure of the three-dimensional coordination polymer [Ag3hmt3(μ3-btc)].5H2O by Shoubo Qin, Sheming Lu, Yanxiong Ke, Jianmin Li, Shuxi Zhou, Xintao Wu, and Wenxin Du

Crystal Research and Technology

Cryst. Res. Technol. 41, 98 (2006) - Abstract -

Synthesis and structure of the three-dimensional coordination polymer [Ag₃hmt₃(μ₃-btc)]^.5H₂O

Shoubo Qin, Sheming Lu, Yanxiong Ke, Jianmin Li, Shuxi Zhou, Xintao Wu*, and Wenxin Du*

Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
*State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure Matter, Chinese Academy of Science, Fuzhou, 350002, P.R. China

Keywords	crystal structure, Ag-hmt complexes, hydrogen bond, three-dimensional network
PACS	61.66.Hq
DOI	10.1002/crat.200310537

A new coordination polymer, [Ag₃hmt₃(μ₃-btc)]^.5H₂O (1) (hmt = hexamethylenetetramine, btc=1,3,5-benzenetricarboxlic), has been successfully synthesized. Crystal data: P2₁/a, a = 11.9906(2) Å, b = 17.3689(2) Å, c = 16.96100(10) Å, β = 101.9820(14)°, V = 3455.40(7) Å³, Z = 4, Dc = 2.002 Mg/m³. In the hexagonal structure of Ag-hmt unit, each Ag-hmt unit comprises three Ag atoms and three hmt ligands. The μ₃-btc ligands bridge adjacent two-dimensional honeycomb-like Ag-hmt layers to form three-dimensional networks. Structure analysis show that hydrogen bonds play a key role for the stable structure in the compounds.

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