Author： Xiao Dongrong An Haiyan Wang Enbo Sun Chunyan Xu Lin
Publisher： Taylor & Francis Ltd
ISSN： 0095-8972
Source： Journal of Coordination Chemistry, Vol.59, Iss.4, 2006-03, pp. : 395-402
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Abstract
A novel three-dimensional, open-framework selenite [H 2 N(CH 2 ) 2 NH 2 ] 0.5 ·CoSeO 3 (1) has been hydrothermally synthesized and characterized by elemental analyses, IR spectrum, XPS spectrum, TG analysis and single crystal X-ray diffraction. Compound 1 crystallizes in the monoclinic system, space group P 2 1 /n, with a =6.6018(14)Å, b =9.2559(19)Å, c =7.9097(16)Å, β=113.56(3)°, V =443.02(16)Å 3 , and Z =4. Compound 1 exhibits an interesting three-dimensional open-framework structure constructed from unique {CoSeO 3 } n layers aggregated from double helical chains pillared by en ligands. Furthermore, the open framework of 1 possesses three types of one-dimensional channels, in which the triangular channel is particularly rare in covalently bonded microporous materials.
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