Ontology highlight
ABSTRACT:
SUBMITTER: Fang ZQ
PROVIDER: S-EPMC2960960 | biostudies-literature | 2008 Mar
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20080312 Pt 4
The asymmetric unit of the title compound, C(8)H(8)O(4)·H(2)O, contains two organic mol-ecules which are connected by the two water mol-ecules through O-H⋯O hydrogen bonds, forming an R(4) (4)(12) ring. Further O-H⋯O hydrogen bonds assemble these rings through R(6) (6)(18) rings, giving rise to infinite helical chains arranged around the b axis. These helical chains are assembled by offset π-π stacking inter-actions [centroid-centroid distance = 3.6432 (8) Å] between the aromatic rings of neigbo ...[more]