三元混合配合物[Cu_2(C_8H_4F_3O_2S)_2O(C_3H_3N_2)]的合成和晶体结构

室温下利用金属铜粉和2-噻酚甲酰三氟丙酮、吡唑反应,合成了新的双核铜(II)Cu2(C8H4F3O2S)2O(C3H3N2)].配合物通过元素分析、红外光谱、电导率进行表征.测定了该配合物的晶体结构.结果表明,晶体属单斜晶系,P2(1)/C空间群,晶胞参数:a=0.786 63(16)nm,b=1.792 0(4)nm,c=1.705 3(3)nm;V=2.359 3(8)nm3,Z=4,Dc=1.843 g.cm-3.结果表明,每个铜原子由3个氧原子和1个氮原子配位形成平面四方结构,2个铜原子由吡唑和氧桥联形成双核铜配合物.

Synthesis and Crystal Structure of Ternary Complex [Cu2(C8H4F3O2S)2O(C3H3N2)]

Reaction of Cu powder with 2-thenoyltrifluoroacetone and pyrazol in methanol and aceton yielded new complex Cu_2(C_8H_4F_3O_2S)_2O(C_3H_3N_2)].The structure of the complex is characterized by elemental analyses,IR spectra and conductivity.The crystal structure of the title complex was determined.The title complex is monoclinic system,space group P2(1)/C,a=0.786 63(16) nm,b=1.792 0(4) nm,c=1.705 3(3) nm;V=2.359 3(8) nm~3,Z=4,Dc=1.843 g·cm~(-3),F(000)=(1 300),ρ_(ma)=574 e·nm~(-3),ρ_(min)=-418 e·nm~(-3).The final R=0.056 8,w_R=0.116 6 for 3 537 observed reflections I>2σ(I)] out of 5 926 unique reflections.In this complex,copper(II) ion is coordination by three O and one N atom.The copper(II) atom displays a nearly square coordination geometry.