Research Article: Second monoclinic modification of cyclo­hexane-1,1-dicarbonitrile

Date Published: July 01, 2011

Publisher: International Union of Crystallography

Author(s): Nurlana D. Sadikhova, Ali. N. Khalilov, Atash V. Gurbanov, Iván Brito.


In the title compound, C8H10N2, the cyclo­hexane ring adopts a chair conformation. he crystal structure of the previously reported monoclinic modification have intramolecular CN⋯CN and C—H⋯N interactions. These types of interaction are not present in this new modification whose crystal structure is built up by van der Waals interactions.

Partial Text

For the previously reported monoclinic modification, see: Echeverria et al. (1995 ▶). For synthetic methods, see: Tsai et al. (2003 ▶); Suissa et al. (1977 ▶); Julia & Maumy (1969 ▶). For puckering parameters see: Cremer & Pople (1975 ▶).




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