In:
Angewandte Chemie, Wiley, Vol. 128, No. 9 ( 2016-02-24), p. 3210-3213
Abstract:
Reduction of the neutral carbene tetrachlorosilane adduct (cAAC)SiCl 4 (cAAC=cyclic alkyl(amino) carbene :C(CMe 2 ) 2 (CH 2 )N(2,6‐iPr 2 C 6 H 3 ) with potassium graphite produces stable (cAAC) 3 Si 3 , a carbene‐stabilized triatomic silicon(0) molecule. The Si−Si bond lengths in (cAAC) 3 Si 3 are 2.399(8), 2.369(8) and 2.398(8) Å, which are in the range of Si−Si single bonds. Each trigonal pyramidal silicon atom of the triangular molecule (cAAC) 3 Si 3 possesses a lone pair of electrons. Its bonding, stability, and electron density distributions were studied by quantum chemical calculations.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.201511019
Language:
English
Publisher:
Wiley
Publication Date:
2016
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