The title carbazole derivative, C14H11N3, was prepared by reacting 1-hy-droxy-8-methyl-9H-carbazole-2-carbaldehyde with hydrazine hydrate. In the solid state, the fused-ring system is slightly puckered, the dihedral angle between the planes of the outer rings being 2. 24 (7) °. In the crystal, mol-ecules are linked by N-H2⋯N hy-dro-gen bonds to generate 010 chains, and weak C-H⋯π contacts consolidate the structure. A Hirshfeld surface analysis indicates that the most important contributions to the crystal packing are from H⋯H (43. 1%), C⋯H/H⋯C (36. 8%) and N⋯H/H⋯N (15. 3%) inter-actions.
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M. Sridharan
A. Thiruvalluvar
B. M. Rajesh
Acta Crystallographica Section E Crystallographic Communications
SHILAP Revista de lepidopterología
Bangalore University
Tamil University
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Sridharan et al. (Tue,) studied this question.
www.synapsesocial.com/papers/69a75f11c6e9836116a2a2f4 — DOI: https://doi.org/10.1107/s2056989026000502