Ontology highlight
ABSTRACT:
SUBMITTER: Reeb SA
PROVIDER: S-EPMC2969548 | biostudies-other | 2009
REPOSITORIES: biostudies-other
Reeb Sarah A SA Shields Marlesa C MC Wheeler Kraig A KA
Acta crystallographica. Section E, Structure reports online 20090529 Pt 6
The title compound, C(7)H(8)N(2)O(4), crystallizes as a zwitterion, with mol-ecules organized into mol-ecular sheets via carbox-yl-carboxyl-ate and N(+)-H⋯carboxyl-ate contacts. These sheets are constructed from translationally related mol-ecules that further link to neighboring motifs via π-stacking [centroid-centroid distance 3.504 (3) Å] and weak C-H⋯O contacts. ...[more]