phos)](BPh4)2 (X = halide) to give complexes of formula [(triphos)Co(L)X]BPh4. The latter are rare examples of paramagnetic cobalt(II) carbonyl complexes. The molecular structure of [(triphos)Co(CO)Br]BPh4 has been determined from counter diffraction data. The crystals are monoclinic, space group P21/a with cell dimensions a 20.225(8), b 20.664(9), c 13.301(5); β 97.24(5)°, Dc = 1.338 g cm−3 for Z
一氧化碳或
环己基异腈(L)与1,1,1-三(
二苯基膦基甲基)
乙烷,(triphos),[(triphos)Co(μ-X)2 Co(triphos)]的双核五配位衍
生物反应BPh 4)2(X =卤化物)得到式[(triphos)Co(L)X] BPh 4的配合物。后者是顺磁性
钴(II)羰基配合物的罕见实例。[(triphos)Co(CO)Br] BPh 4的分子结构已经从反衍射数据确定。晶体是单斜晶体,空间群P 2 1 / a,晶胞尺寸为a 20.225(8),b 20.664(9),c 13.301(5);β97.24(5)°,对于Z = 4,D c = 1.338 g cm -3。全矩阵最小二乘法细化导致观察到的3648个反射的常规R系数为0.057。分子结构由中等几何形状的五配位[(triphos)Co(CO)Br] +阳离子和BPh - 4阴离子组成。