✦ LIBER ✦

Synthesis and crystal structure of silver and argentate complexes of mixed halocarborane anions, (C5H5N)2Ag(1-HCB11Br5I6)(C5H5N) and [{(CH3CN)4Ag3}{Ag(CB11I5Br6)2}]n

✍ Scribed by Chi-Wing Tsang; Qingchuan Yang; Thomas C. W. Mak; Zuowei Xie

Publisher: John Wiley and Sons
Year: 2003
Tongue: English
Weight: 217 KB
Volume: 17
Category: Article
ISSN: 0268-2605
DOI: 10.1002/aoc.455

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✦ Synopsis

Abstract

The first argentate salt of carborane anion, [{(CH~3~CN)~4~Ag~3~}{Ag(CB~11~I~5~Br~6~)~2~}]~n~, was prepared from K~2~[CB~11~I~5~Br~6~] and AgNO~3~ followed by recrystallization from acetonitrile. Single‐crystal X‐ray analyses indicate that the CB~11~I~5~Br~6~^2−^ dianion has a significantly different coordination motif from that of the CB~11~Br~5~I~6~^−^ monoanion. This result suggests that the polarity of the CB~11~ cage can be changed after deprotonation of the cage CH proton. Copyright © 2003 John Wiley & Sons, Ltd.

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