An ortho­rhom­bic polymorph of 3,4-di­amino­benzo­nitrile

The title compound, C(7)H(7)N(3), is an ortho­rhom­bic polymorph that crystallizes in the space group Pca2(1). The previously reported monoclinic form [Geiger & Parsons (2013 ▶) Acta Cryst. E69, o452] crystallizes in the space group P2(1)/c (Z = 4). In the crystal, two independent HN—H⋯N C hydro...

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Detalles Bibliográficos
Autores principales: Geiger, David K., Parsons, Dylan E.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2013
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3647854/
https://www.ncbi.nlm.nih.gov/pubmed/23723820
http://dx.doi.org/10.1107/S1600536813008489
Descripción
Sumario:The title compound, C(7)H(7)N(3), is an ortho­rhom­bic polymorph that crystallizes in the space group Pca2(1). The previously reported monoclinic form [Geiger & Parsons (2013 ▶) Acta Cryst. E69, o452] crystallizes in the space group P2(1)/c (Z = 4). In the crystal, two independent HN—H⋯N C hydrogen bonds link the mol­ecules into chains along the a-glide plane. Two further independent HN—H⋯NH(2) hydrogen bonds join the chains, forming a three-dimensional network.

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