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2-Allyl-7-nitro-2H-indazole (2013)

Kouakou, A.Rakib, E.M.Spinelli, D.Saadi, M.El Ammari, L.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publication Date: 2013-10-03

Description: The asymmetric unit of the title compound, C10H9N3O2, contains two independent molecules linked by a C—H...N hydrogen bond. Each molecule has a similar conformation, being built up from fused five- and six-membered rings, each linked to an ally and nitro group, respectively. The indazole ring system makes dihedral angles of 2.7 (2) and 2.2 (2)°, respectively, with the plane through the nitro group. The allyl group is nearly perpendicular to the indazole system, as indicated by the N—N—C—C torsion angles of −75.3 (2) and −82.2 (2)°, this being the most important difference between the conformations of the two molecules. In the crystal, molecules are linked by C—H...O and π–π [inter-centroid distance = 3.6225 (8) Å] interactions to form a three-dimensional network.

Electronic ISSN: 1600-5368

Topics: Chemistry and Pharmacology , Geosciences

Published by International Union of Crystallography (IUC)

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