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2,2′-Dinitro-5,5′-dithio­dibenzoic acid

In the title compound, C(14)H(8)N(2)O(8)S(2), the asymmetric unit contains two independent 2,2′-dinitro-5,5′-dithio­dibenzoic acid (Dina) mol­ecules with roughly the same conformation. In the crystal structure, strong inter­molecular O—H⋯O hydrogen bonds link the organic mol­ecules into a one-dimens...

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Detalles Bibliográficos
Autor principal: Wang, Li-Jin
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2008
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2959743/
https://www.ncbi.nlm.nih.gov/pubmed/21580919
http://dx.doi.org/10.1107/S1600536808031620
Descripción
Sumario:In the title compound, C(14)H(8)N(2)O(8)S(2), the asymmetric unit contains two independent 2,2′-dinitro-5,5′-dithio­dibenzoic acid (Dina) mol­ecules with roughly the same conformation. In the crystal structure, strong inter­molecular O—H⋯O hydrogen bonds link the organic mol­ecules into a one-dimensional zigzag chain along the a axis. The dihedral angles between the two aromatic rings [109.3 (2) and 103.1 (3)°] are larger than that (88.95°) observed in a structure of the compound with a solvent water mol­ecule [Shefter & Kalman (1969), J. Chem. Soc. D, p. 1027]. Such a difference may be explained by the occurrence of O—H⋯O hydrogen bonds involving the water mol­ecule in the previously reported structure.