DIIMINOPHOSPHINATES OF LITHIUM, SAMARIUM AND YTTERBIUM - MOLECULAR-STRUCTURES LI[PH2P(NSIME3)2](THF)2 AND [PH2P(NSIME3)2]2SM(MU-I)2LI(THF)2

被引:69
作者
RECKNAGEL, A [1 ]
STEINER, A [1 ]
NOLTEMEYER, M [1 ]
BROOKER, S [1 ]
STALKE, D [1 ]
EDELMANN, FT [1 ]
机构
[1] UNIV GOTTINGEN,INST ANORGAN CHEM,TAMMANNSTR 4,W-3400 GOTTINGEN,GERMANY
关键词
D O I
10.1016/0022-328X(91)86331-J
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The molecular structure of Li[Ph2P(NSiMe3)2]THF)2 (2) has been determined by an X-ray diffraction study. A four-membered LiNPN ring forms the central unit of the monomeric molecule. YbI2 reacts with two equivalents of Li[Ph2P(NSiMe3)2] (1) to give the novel ytterbium(II)diiminophosphinate [Ph2P(NSiMe3)2]2Yb(THF)2 (3). A similar reaction of 1 with SmI2 affords the samarium(III) derivative [Ph2P(NSiMe3)2]2Sm(mu-1)2Li(THF)2 (4) whose structure has also been determined by an X-ray diffraction study.
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页码:327 / 335
页数:9
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