Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 1 (January 2013)

organic compounds

hb6998 scheme

Acta Cryst. (2013). E69, o17    [ doi:10.1107/S1600536812048908 ]

5-(Prop-2-yn-1-yl)-5H-dibenzo[b,f]azepine: orthorhombic polymorph

M. M. M. Abdoh, S. Madan Kumar, K. S. Vinay Kumar, B. C. Manjunath, M. P. Sadashiva and N. K. Lokanath

Abstract: In the title orthorhombic polymorph (space group Iba2), C17H13N, the dihedral angle between the benzene rings is 55.99 (10)° and the azepine ring adopts a boat conformation. In the crystal, molecules are linked by C-H...[pi] contacts. The previously-reported polymorph [Yousuf et al. (2012). Acta Cryst. E68, o1101] crystallizes in the monoclinic system (space group P21/c) with two molecules in the asymmetric unit.

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