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

Synthesis and Crystal Structure of Ternary Complex [Cu_2(C_8H_4F_3O_2S)_2O(C_3H_3N_2)]

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.

Reaction of Cu powder with 2-thenoyhrifluoroacetone and pyrazol in methanol and aceton yielded new complex [Cu2（C8H4F3O2S）2O（C3H3N2）]. 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,pma =574 e·nm^-3 ,pmin = -418 e·nm^-3. The final R=0. 056 8 ,WR =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.