作者：GAOShan; HUOLi-Hua; CHENGXiao-Li; LIUJ...crystaland3danalysisnetworksystemwithatomspacegroupfinalthetheformgare
摘要：A novel coordination polymer of [Mg(1,4-BDOA)(CH3OH)2]n (1,4-BDOA2- = benzene-1,4-dioxyacetate dianion) has been synthesized and characterized by elemental analysis, IR and single-crystal X-ray diffraction. The crystal crystallizes in monoclinic system, space group P21/c, with a = 12.070(2), b = 7.7088(15), c = 7.3332(15) (A),β = 91.42(3)o, V = 682.1(2) (A)3, Z = 2, Mr = 312.56, Dc = 1.522 g/cm3, μ = 0.168 mm-1, F(000) = 328, the final R = 0.0628 and wR = 0.1591 for 1082 observed reflections with I > 2σ(Ⅰ). The Mg(Ⅱ) atom and 1,4-BDOA2- ligand lie in different inversion centers. The Mg(Ⅱ) atom shows an octahedral geometry defined by four carboxyl O atoms from four different 1,4-BDOA2- ligands and two hydroxyl O atoms from two methanol molecules. The Mg(Ⅱ) atoms are bridged by 1,4-BDOA2- ligands, leading to a 3D infinite network structure.
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