An arachno-metallacarbaborane containing intermolecular hydrogen bridges. Crystal and molecular structure of bis-[11-triphenylphosphine-11-argenta-5,6-dicarbaundecaborane(11)]
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 4,p. 192-194
- https://doi.org/10.1039/c39800000192
Abstract
The metallacarbaboranes PPh3AuC2B8H11, PPh3CuC2B8H11. and (PPh3)2AgC2B8H11 have been prepared and (PPh3)2AgC2B8H11 suffers a partial loss of triphenylphosphine on recrystallisation, to give ‘PPh3AgC2B8H11’; this last compound is shown from i.r. and X-ray data to have a dimeric structure comprising two enantiomeric arachno-AgC2B8 cages, linked by a pair of Ag–H–B bridges derived from terminal B–H groups, and analogous, though monomeric, arachno-structures are suggested for PPh3AuC2B8H11 and (PPh3)2AgC2B8H11.Keywords
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