3-Carboxy­pyrazino[2,3-f][1,10]phenanthrolin-9-ium-2-carboxyl­ate

In the title zwitterionic compound, C(16)H(8)N(4)O(4), the dihedral angle between the carboxyl and carboxyl­ate groups is 72.14 (2)°. In the crystal, mol­ecules are linked by strong inter­molecular O—H⋯O(−) and N(+)—H⋯O(−) hydrogen bonds into double chains extended along [001]. These chains are addi...

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Detalles Bibliográficos
Autores principales: Zhang, Xiao-Ning, Fu, Feng, Li, Dong-Sheng, Meng, Cai-Xia
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2010
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2983978/
https://www.ncbi.nlm.nih.gov/pubmed/21580585
http://dx.doi.org/10.1107/S1600536810007361
Descripción
Sumario:In the title zwitterionic compound, C(16)H(8)N(4)O(4), the dihedral angle between the carboxyl and carboxyl­ate groups is 72.14 (2)°. In the crystal, mol­ecules are linked by strong inter­molecular O—H⋯O(−) and N(+)—H⋯O(−) hydrogen bonds into double chains extended along [001]. These chains are additionally stabilized by π–π stacking inter­actions between the pyridine and benzene rings [centroid–centroid distance = 3.5542 (8) Å].

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