title: 1-(Butan-2-yl-idene)-2-(2-nitro-phen-yl)hydrazine.
abstract: Crystals of the title compound, C(10)H(13)N(3)O(2), were obtained from a condensation reaction of butan-2-one and 1-(2-nitro-phen-yl)hydrazine. The mol-ecule exhibits a nearly coplanar structure, except for the methyl and methyl-ene H atoms, the largest deviations from the mean plane defined by all non-H atoms, except for the nitro group, being 0.120 (2) Å for one of the nitro O atoms. Intra-molecular N-H⋯O hydrogen bonding helps to establish the mol-ecular configuration.
authors.affiliation: Key Laboratory of Surface and Interface Science of Henan School of Materials & Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, People's Republic of China.
authors.forename: Heng-Yu
authors.initials: HY
authors.lastname: Qian
authors.forename: Zhi-Gang
authors.initials: ZG
authors.lastname: Yin
authors.forename: Zhi-Qiang
authors.initials: ZQ
authors.lastname: Yao