title: 1,5-Diamino-2,6-dibromo-9,10-anthraquinone.
abstract: In the title compound, C(14)H(8)Br(2)N(2)O(2), the mol-ecular structure features intra-molecular N-H⋯O [2.639 (2) Å and 130°] and N-H⋯Br [3.053 (2) Å and 114°] hydrogen bonding. Due to inversion symmetry, the asymmetric part of the unit cell consits of one half-mol-ecule. In the crystal, inversion dimers linked by pairs of N-H⋯O [2.955 (2) Å and 135°] hydrogen bonds occur. The structure also features C=O⋯π [3.228 (2) Å] and Br⋯Br [3.569 (1) Å] contacts.
authors.affiliation: Institut für Organische Chemie, TU Bergakademie Freiberg, Leipziger Strasse 29, D-09596 Freiberg/Sachsen,  Germany.
authors.forename: Nadine
authors.initials: N
authors.lastname: Seidel
authors.forename: Wilhelm
authors.initials: W
authors.lastname: Seichter
authors.forename: Edwin
authors.initials: E
authors.lastname: Weber