Volume 59, Issue 10 pp. o559-o561

Crystal engineering with heteroboranes. II. 1,2-Di­carboxy-1,2-dicarba-closo-dodecaborane(12) ethanol hemisolvate

Ulaganathan Venkatasubramanian

Ulaganathan Venkatasubramanian

Department of Chemistry, Heriot–Watt University, Edinburgh EH14 4AS, Scotland

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David Ellis

David Ellis

Department of Chemistry, Heriot–Watt University, Edinburgh EH14 4AS, Scotland

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Georgina M. Rosair

Georgina M. Rosair

Department of Chemistry, Heriot–Watt University, Edinburgh EH14 4AS, Scotland

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Alan J. Welch

Alan J. Welch

Department of Chemistry, Heriot–Watt University, Edinburgh EH14 4AS, Scotland

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First published: 09 June 2004
Ulaganathan Venkatasubramanian, e-mail: [email protected]

Abstract

The title compound, 1,2-(COOH)2-1,2-closo-C2B10H10·0.5C2H6O or C4H12B10O4·0.5C2H6O, forms a tetramer by incorporating ethanol (solvent) mol­ecules through hydrogen bonding. Two eight-membered rings [graph set R(8)] are formed by hydrogen bonding between two carboxyl­ic acid groups, whereas two ten-membered rings [R(10)] are formed by hydrogen bonding between two carboxyl­ic acid groups and the OH group of an ethanol mol­ecule (solvent). Two crystallographically independent tetramers are present in the crystal structure.

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