含环偶磷氮烷取代基的二核钴羰合物的合成和分子结构

Synthesis and Molecular Structure of DinuclearCobalt Carbonyl Cluster Containinga Ditert-Butyl Amine Cyclophosphazane Substituting Group

用Co2(CO)8与环偶磷氮烷[cis-(tBuNP)2(tBuNH)2]反应得到了一取代产物Co2(CO)7-[cis-(tBuNP)2(tBuNH)2].对其进行了元素分析及IR、1HNMR等谱学表征,并用X-ray衍射技术测定了它的单晶结构.该晶体属三斜晶系,P1-空间群.化学式:C23H38N4O7P2Co2,Mr=662.37.晶胞参数a=15.193(2) ,b=16.350(3) ,c=14.995(2) ,α=108.311(4)°,β=89.969(7)°,γ=64.316(5)°,V=3145.8(8) 3,Z=4,Dc=1.394Mg/m3.

The reaction of Co2(CO)8 with Ditert-Butyl Amine Cyclophosphazane yielded monosubstituted derivative Co2(CO)7s-(tBuNP)2(tBuNH.The cluster was characterized by elemental analysis ,IR and1HNMR.The crystal and molecular structures were determined by Xray diffraction technique.The crystal belongs to triclinic system, space group P1-,with formular C23H38N4O7P2Co2 and Mr=662.37.The crystal cell parameters are:a=15.193(2) ,b=16.350(3) ,c=14.995(2),α=108.311(4)°,β=89.969(7)°,γ=64.316(5)°,V =3145.8(8)3,Z=4 and Dc=1.394 Mg/m3.