THE REACTION OF ALKYL DERIVATIVES OF YTTRIUM AND LUTETIUM WITH ORGANIC DISULFIDES AND DISELENIDES - THE MOLECULAR-STRUCTURE OF (((T)BUC5H4)2Y(MU-SEPH))2-CENTER-DOT-C6H6

被引:14
作者
BELETSKAYA, IP
VOSKOBOYNIKOV, AZ
SHESTAKOVA, AK
YANOVSKY, AI
FUKIN, GK
ZACHAROV, LN
STRUCHKOV, YT
SCHUMANN, H
机构
[1] MOSCOW CHEM & TECHNOL ORGANOELEMENT CPDS STATE SCI RES INST,111123 MOSCOW,RUSSIA
[2] AN NESMEYANOV ORGANOELEMENT CPDS INST,117813 MOSCOW,RUSSIA
[3] TECH UNIV BERLIN,INST ANORGAN & ANALYT CHEM,D-10623 BERLIN,GERMANY
关键词
SULFUR; SELENIUM; YTTRIUM; LUTETIUM; BRIDGING LIGAND; CYCLOPENTADIENYL; CRYSTAL STRUCTURE;
D O I
10.1016/0022-328X(94)80039-1
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The dimers {(tBuC5H4)2Ln(mu-Me)}2 (Ln=Y, or Lu) react with organic dichalcogenides R2E2 (E=S or Se; R=Ph, (n)Bu, (t)Bu or CH2Ph) to form {((t)BuC5H4)2Ln(mu-ER)}2 complexes with Ln-S or Ln-Se bonds. The molecular structure of {(tBuC5H4)2Ln(mu-SePh)}2 . C6H6 has been determined by X-ray diffraction (PBAR; a = 11.242(2) angstrom, b = 11.388(2) angstrom and c = 12.865(2) angstrom; alpha = 110.32(2)degrees; beta = 105.16(2)degrees; and gamma = 102.84(2)degrees; Z = 1; d(calc.) = 1.343 g cm-3; R = 0.0509 and R(omega) = 0.0532). The two yttrium atoms of the centrosymmetric dimeric molecule are bridged by two mu-SePh groups.
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页码:121 / 124
页数:4
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