THE BIS(CYCLOPENTADIENYL)THALLATE(I) ANION ISOELECTRONIC WITH STANNOCENE

被引:34
作者
ARMSTRONG, DR
HERBSTIRMER, R
KUHN, A
MONCRIEFF, D
PAVER, MA
RUSSELL, CA
STALKE, D
STEINER, A
WRIGHT, DS
机构
[1] INST ANORGAN CHEM, D-37077 GOTTINGEN, GERMANY
[2] UNIV CAMBRIDGE, CHEM LAB, CAMBRIDGE CB2 1EW, ENGLAND
关键词
D O I
10.1002/anie.199317741
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A bent thallocene anion is found in complexes 1 and 2, which are prepared by the reaction of [CpTl] and [Cp2Mg] (for 1) or [CpLi] (for 2) and N,N,N′,N′,N″‐pentamethyldiethylenediamine (PMDETA). The [(η5‐Cp)2Tl]− anion is isoelectronic and isostructural with stannocene. Ab initio calculations show that the bent structure with CS symmetry is only marginally more stable than the linear conformer with D5h symmetry. (Formula Presented.) Copyright © 1993 by VCH Verlagsgesellschaft mbH, Germany
引用
收藏
页码:1774 / 1776
页数:3
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