Abstract
In the crystal structure of the title compound, C9H11N2O4 +·Br−, the ethanaminium cations and Br− anions are linked together by N—H⋯Br and O—H⋯Br hydrogen bonding. In the cation, the nitro group is twisted with respect to the benzene ring, making a dihedral angle of 21.43 (5)°.
Highlights
In the crystal structure of the title compound, C9H11N2O4+ÁBrÀ, the ethanaminium cations and BrÀ anions are linked together by N—HÁ Á ÁBr and O—HÁ Á ÁBr hydrogen bonding
The nitro group is twisted with respect to the benzene ring, making a dihedral angle of 21.43 (5)
Symmetry codes: (i) −x+1, y−1/2, −z; (ii) x−1, y, z; (iii) x−1, y−1, z
Summary
Key indicators: single-crystal X-ray study; T = 298 K; mean (C–C) = 0.005 A; R factor = 0.032; wR factor = 0.069; data-to-parameter ratio = 18.0. In the crystal structure of the title compound, C9H11N2O4+ÁBrÀ, the ethanaminium cations and BrÀ anions are linked together by N—HÁ Á ÁBr and O—HÁ Á ÁBr hydrogen bonding. The nitro group is twisted with respect to the benzene ring, making a dihedral angle of 21.43 (5). Related literature For amino acid derivatives as ligands for the construction of metal-organic frameworks, see: Fu et al (2007)
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