Ontology highlight
ABSTRACT:
SUBMITTER: Zhao XJ
PROVIDER: S-EPMC3007415 | biostudies-literature | 2010 Jul
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20100724 Pt 8
The title compound, C(12)H(8)N(2)O(4), crystallizes as a zwitterion in which the pyridyl N atom is protonated. The dihedral angle between the benzene and pyridinium rings is 27.9 (2)°. In the crystal, N-H⋯O hydrogen bonds link adjacent zwitterions into a three-dimensional structure. ...[more]