5-(Prop-2-yn-1-yl)-5H-dibenzo[b,f]azepine: ortho-rhom-bic polymorph.

ABSTRACT: In the title ortho-rhom-bic 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, mol-ecules are linked by C-H⋯π contacts. The previously-reported polymorph [Yousuf et al. (2012 ▶). Acta Cryst. E68, o1101] crystallizes in the monoclinic system (space group P21/c) with two mol-ecules in the asymmetric unit.

SUBMITTER: Abdoh MM 

PROVIDER: S-EPMC3588308 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature