混合簇合物(G_5H_5FeC_5H_4C_2Ph)Co_2(CO)_6的结构研究

Structural Study of Mixed Cluster (C_5H_5FeC_5H_4C_2Ph)Co_2(CO)_6

本文用电化学方法和X射线单晶结构分析,研究了混合簇合物(C_5H_5FeC_5H_4C_2Ph)Co_2(CO)_6的结构。由循环伏安结果,分别讨论了簇合物中C_5H_5FeC_5H_4和C_2Co_2中心的成键性质,X射线单晶结构分析表明:晶体属单斜晶系,空间群为P2_1,晶胞参数a=11.845(6),b=8.155(6),c=24.031(6) ,β=90.88°,晶胞中分子数Z=4,密度D_0=1.637g·cm^(-3),分析了(C_5H_5FeC_5H_4C_2Ph)Co_2·(CO)_6的结构特点,并从成键角度讨论了(RC_2R^1)Co_2(CO)_6类簇合物的结构随RC_2R^1不同而变化的规律。

The structure of (C_5H_5FeC_5H_4C_2Ph)Co_2 (CO)_6 has been studied by means of electrochemical method and X-ray crystal structure analysis. From the result of cyclic voltammetry, the bonding of C_5H_5FeC_5H_4 and C_2Co_2 in the cluster has been discussed. X-ray crystal structure analysis of (C_5H_5FeC_5H_4C_2Ph)Co_2 (CO)_6 shows that the crystal is monoclinio with space group P2_1, a=11.845(6), b=8.155(6), c=24.031(6) , β=90.88°, Z=4 and D_c=1.637g·cm^(-3). Structure characteristic of (C_5H_5FeC_5H_4C_2Ph)Co_2·(CO)_6 has been analyzed and the varying of structure of (RC_2R^1)Co_2(CO)_6 with different RC_2R^1 has also been discussed.