Document Type

Article

Publication Date

1994

Publisher

International Union of Crystallography

Source Publication

Acta Crystallographica Section C

Source ISSN

0108-2701

Abstract

The crystal structure of the 'non hydrogen-bonded' (according to IR data) polymorph of 1,7-bis(phenylcarbamoyl)-1,7-dicarba-closo-dodecaborane(12), C16-H22B10N2O2, has been determined. The two phenylamide groups have a Z configuration [the torsion angles 0-C-N-C are -2.3 (5) and -3.0 (5)°]. As a result both 'active' protons of these groups are almost completely shielded by other H atoms of the neighbouring carborane nucleus and phenyl substituents, and, therefore, no hydrogen-bonding contacts are found.

Comments

Published version. Acta Crystallographica Section C, Vol. 50 (1995): 1299-1301. DOI. © International Union of Crystallography 1995. Used with permission.

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