Heterobimetallic pyrazolato complexes: The syntheses and crystal structures of cis-(PPh3)2ClPtII(3,5-Ph2pz), cis-(PPh3)2BrPtII(μ-3,5-Ph2pz)CuICl, cis-(PPh3)2ClPtII(μ-3,5-Ph2pz)AgICl and cis-(PPh3)2BrPtII(μ-3,5-Ph2-4-Br-pz)AuIBr (pz=pyrazolato anion)
作者:John P. Fackler、Raphael G. Raptis、H.H. Murray
DOI:10.1016/s0020-1693(00)80349-7
日期:1992.3
a=10.721(3), b=15.757(4), c=30.263(8) A, V=5112(2) A3, Z=4, R=0.051. For cis-(PPh3)2- ClPt(μ-3,5-Ph2pz)AgCl·Et2O (3): C55H51AgCl2N2OP2Pt, monoclinic, P21/c (No. 14), a=21.948(4), b=11.946(3), c=36.733(5) A, β=96.76(1)°, V=9564(1) A3, Z=8, R=0.063. For cis-(PPh3)2BrPt(μ-3,5-Ph2-4-Br-pz)- AuBr·2thf (4): C59H57AuBr3N2O2P2Pt, triclinic, P 1 (No. 2), a=10.456(2),b =12.301(3), c=24.058(5) A, α= 77.66(2)°, β=89
摘要由顺-(PPh3)2PtCl2与Na [3,5-Ph2pz]反应形成单核顺式(-PPh3)2ClPt(3,5-Ph2pz)。该
金属
配体可以与所有三种第11组MI卤化物形成加合物。已经通过单晶X射线分析表征了三种这样的异双
金属配合物Pt / Cu,Pt / Ag和Pt / Au以及Pt原料。顺式-(PPh3)2ClPt(3,5-Ph2pz)·Et2O(1):C55H51ClN2OP2Pt,单斜晶系,P21 / n(No.14),a = 11.120(2),b = 24.438(6),c = 18.125(3)A,β= 99.50(1)°,V = 4858(2)A3,Z = 4,R = 0.061。对于顺式(PPh3)2BrPt(μ-3,5-Ph2pz)CuCl·Et2O(2):C55H51BrClCuN2P2Pt,正交,Pc21n(No.33),a = 10.721(3),b = 15.757(4),c