Synthesis and Crystal Structure of {Cu_2(pdc)_2(4,4'-bipy)(H_2O)·3H_2O}_2 被引量：1

Synthesis and Crystal Structure of {Cu_2(pdc)_2(4,4'-bipy)(H_2O)·3H_2O}_2

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摘要 The title compound {Cu2(pdc)2(4,4?-bipy)(H2O)3H2O}2 1 (H2pdc = pyridine-2,6- dicarboxylic acid, also known as dipicolinic acid; 4,4?-bipy = 4,4?-bipyridine) has been synthesized by the hydrothermal reaction and its structure was determined by single-crystal X-ray diffraction. The crystal is of triclinic, space group Pi with a = 7.2278(3), b = 10.6259(4), c = 17.7614(6) ? a = 79.5990(10), = 83.6300(10), ? = 71.8280(10)o, V = 1272.60(8) ?, C48H44Cu4N8O24, Mr = 1371.07, Z = 1, Dc = 1.789 g/cm3, = 1.747 mm-1, F(000) = 696, R = 0.0397 and wR = 0.1137 for 3938 observed reflections (I > 2s(I)). There are two kinds of Cu coordination environments, and each central copper(II) atom is five-coordinated in a distorted square-based pyramidal coordination geo- metry. Four copper(II) atoms are linked by four pdc and two 4,4?-bipy ligands to form an annular rectangle structure. Extensive hydrogen-bonding interactions involving carboxylate O atoms as well as coordinated and free water molecules lead to the formation of a three-dimensional network struc- ture.

作者温一航张健覃业燕李兆基康遥陈玉标程建开姚元根

机构地区 State Key Laboratory of Structural Chemistry

出处《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 北大核心 2004年第9期1001-1004,共4页 结构化学（英文）

基金 This work was financially supported by the NNSFC (No. 20173063) the State Key Basic Research and Development Plan of China (001CB108906) and the NSF of Fujian Province (E0020001)

关键词 dipicolinic acid copper compound annular rectangle structure 合成晶体结构铜配合物 4,4′-联吡啶二苦胺环状结构

分类号 O614.121 [理学—无机化学] O641.4 [理学—物理化学]

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