Faculty Research and Creative Activity

Document Type

Article

Publication Date

January 2009

Abstract

The title compound, C7H8N2O4, crystallizes as a zwitterion, with molecules organized into molecular sheets via carboxyl– carboxylate and N+—H_ _ _carboxylate contacts. These sheets are constructed from translationally related molecules that further link to neighboring motifs via _-stacking [centroid– centroid distance 3.504 (3) A ° ] and weak C—H_ _ _O contacts.

Comments

This article is available open access via Acta Crystallographica Section E: http://journals.iucr.org/e/issues/2009/06/00/issconts.html doi:10.1107/S1600536809018510

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