Synthesis, crystal structure and magnetic properties of novel copper compound Cu(phen)(m-CBA)_2

配合物Cu(phen)(m-CBA)_2的合成、晶体结构及磁性(英文)

A novel compound Cu（phen）（m-CBA）2 was synthesized with m-chlorobenzoic acid（m-CBA）, 1,10-phenanthroline（phen） and Cu（OAc）2·H2O. It was characterized by IR, UV, elemental analyses and X-ray crystallography. It crystallizes in the monoclinic crystal system with C2/c space group, a=2.9699（4） nm, b=1.15452（2） nm, c=1.5335（2） nm, β=111.118（2）°, V=4.905 1（1） nm3, Z=8, F（000）=2 328, R1=0.072 8, wR2=0.223 4 [I2σ（I）]. Structure analysis shows that the copper center coordinates with two nitrogen atoms from one 1,10-phenanthroline molecule, two oxygen atoms from two m-chlorobenzoic acid molecules, giving a distorted squared planar coordination geometry. This novel compound shows paramagnetic interactions between copper centers.

采用间氯苯甲酸(m-CBA)、1,10-菲罗啉(phen)和醋酸铜合成一种新颖配合物Cu(phen)(m-CBA)2,并用红外光谱、紫外可见光谱、元素分析、X-射线单晶衍射对其进行表征。结果表明,该配合物为单斜晶系,空间群为C2/c,晶胞参数为a=2.9699(4)nm,b=1.15452(2)nm,c=1.5335(2)nm,β=111.118(2)°,V=4.9051(1)nm3,Z=8,F(000)=2328,R1=0.0728,wR2=0.2234[I>2σ(I)]。结果分析表明,中心铜原子和来自1个1,10-菲罗啉分子的2个氮原子、2个间氯苯甲酸分子的2个氧原子进行配位,形成一个变形平面四边形的配位模式。该配合物中铜原子之间存在顺磁相互作用。