新型四核铜配合物{[Cu_4L_2(N_3)_2(μ_2-N_3)_2]·CH_3OH}的合成及其晶体结构

Synthesis and Crystal Structure of a Novel Tetranuclear Copper Coordination Complex{[Cu_4L_2(N_3)_2(μ_2-N_3)_2]·CH_3OH}

多吡啶配体H2L[N,N'-二(3-甲基吡啶基)-2,6-吡啶二酰胺]与Cu(OAc)2.H2O反应合成了一种新型的四核铜配合物——[Cu4L2(N3)2(μ2-N3)2].CH3OH(1),其结构经IR,XRD和元素分析表征。1属单斜晶系,空间群C2/m,晶胞参数a=15.774(3),b=15.062(3),c=10.724(2),β=114.91(3)°,V=2 344.0(8)3,Z=4,Dc=1.736 mg.cm-3,μ=1.869 mm-1,R1=0.120 1,ωR2=0.298 4。1中四个金属铜原子通过两个L2-配体,四个N3-基团连接在一起,形成了一个新颖的四核铜结构。

A novel tetranuclear copper coordination,[Cu4L2（N3）2（μ2-N3）2]·CH3OH（1）,was synthesized by the reaction of Cu（OAc）2·H2O with H2L [N,N′-bis（pyridine-3-ylmethyl）pyridine-2,6-dicarboxamide].The structure was characterized by IR,X-ray single crystal diffraction and elemental analysis.1 belongs to monoclinic system,space group C2/m with a=15.774（3）,b=15.062（3）,c=10.724（2）,β=114.91（3）°,V=2 344.0（8）3,Z=4,Dc=1.736 mg·cm-3,μ=1.869 mm-1,R1=0.120 1,ωR2=0.298 4.Four Cu atoms are coordinated with two L2-and four N3- in 1.