BIS(TETRAPHENYLIMIDODIPHOSPHINATO)TIN(II) AND BIS(TETRAPHENYLIMIDODIPHOSPHINATO)TIN(IV) DIHALIDES - CONVERSION OF PSEUDO TRIGONAL BIPYRAMIDAL TO OCTAHEDRAL GEOMETRY

被引:61
作者
DAY, RO
HOLMES, RR
SCHMIDPETER, A
STOLL, K
HOWE, L
机构
[1] UNIV MUNICH, INST ANORGAN CHEM, MEISERSTR 1, W-8000 MUNICH 2, GERMANY
[2] UNIV MASSACHUSETTS, DEPT CHEM, AMHERST, MA 01003 USA
来源
CHEMISCHE BERICHTE-RECUEIL | 1991年 / 124卷 / 11期
关键词
IMIDODIPHOSPHINATO CHELATES; (N-PHOSPHINOYLPHOSPHINIMIDATO) CHELATES; PHOSPHAZENE HETEROCYCLES; TIN COMPLEXES; NMR; SN-119;
D O I
10.1002/cber.19911241112
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The tetraphenylimidodiphosphinate [N-(P,P-diphenylphosphinoyl)-P,P-diphenylphosphinimidate] ion forms stable bis-chelates with Sn(II) and Sn(IV). The Sn(II) compound [N(Ph2PO)2]2Sn (3) displays a distorted psi-tbp structure in the solid state and is fluxional in solution. The bis(imidodiphosphinato)tin dihalides 6 are cis-structured. A comparison of the X-ray structures of 3 and the diiodide [N(Ph2PO)2]2SnI2 (6c) indicates the presence of a lone-pair stereochemical effect in 3 which is absent in 6c.
引用
收藏
页码:2443 / 2448
页数:6
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