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Search and Complete Listing of the Valence Structures of the Closo Boron Hydrides B9H and B10H

✍ Scribed by Marcel Gielen

Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
289 KB
Volume
90
Category
Article
ISSN
0037-9646

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✦ Synopsis

Abstract

A systematic search has allowed to find 196 valence structures (VS) 2‐2‐for B~9~H and 728 for B~10~H instead of the 16 and 72 respectively described by Lipscomb^(1)^.

With these numbers of valence structures, (NVS), valence structure indexes (VSI) 2‐2‐ equal to 0.1637 and 0.1789 can be calculated for B~9~H and B~10~H resp. which are different from those determined by Aihara^(4)^ (0.0860 and 0.1161 respectively).

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## Abstract The reaction of 1,2‐(CH~2~OH)~2~‐__closo__‐1,2‐C~2~B~10~ H~10~ carborane with 2‐(aminomethyl)‐pyridine in methylene chloride at room temperature led to the partial cage degradation of the __closo__ carborane and its conversion to the __nido__ derivative. The addition of cobalt chloride