期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 794, 期 1-3, 页码 148-153出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molstruc.2006.01.051
关键词
closo-carbaborane; vibrational spectrum; molecular structure
The presence of low-frequency large-amplitude modes in the vibrational spectrum, experimental and computed data on interboron distances and the results of the topological analysis of the electron density distribution in 2,3-C2B9H11, the molecule of a neutral 11-vertex dicarbaborane, lead to the conclusion that this polyhedron is not a deltahedron. This species lacks at least four two-center B-B bonds. and thus it is formed not by triangular faces only. Hence, this dicarbaborane, as well as monocarbaborate [2-CB10H11](-), another representative of 11-vertex polyhedra, do not have the closo-structure, traditionally ascribed to both by formal [2n + 2]-electron count. (c) 2006 Elsevier B.V. All rights reserved.
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