N-Cyclo-heptyl-idene-N'-(2,4-dinitro-phenyl)hydrazine. 2009

Reza Kia, and Hoong-Kun Fun, and Hadi Kargar

The title compound, C(13)H(16)N(4)O(4), is a new hydrazone. An intra-molecular N-H⋯O hydrogen bond generates a six-membered ring, producing an S(6) ring motif. The nitro groups in the ortho and para positions are almost coplanar with the benzene ring to which they are bound, making dihedral angles of 0.60 (11) and 3.18 (11)°, respectively. Pairs of inter-molecular C-H⋯O hydrogen bonds link neighbouring mol-ecules into inversion dimers with R(2) (2)(10) motifs. The crystal structure is further stabilized by inter-molecular π-π inter-actions, with a benzene centroid-to-centroid distance of 3.6601 (4) Å.

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