3-Amino-4-hydroxybenzenesulfonic acid hemihydrate

Brian J. Gunderman, Philip J. Squattrito

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The title compound (3-ammonio-4-hydroxybenzenesulfonate hemihydrate, C6H7NO4S.1/2H2O) crystallizes with two zwitterionic sulfonic acid molecules and one water molecule in the asymmetric unit. The acid molecules pack in layers in which the phenyl rings are nearly coplanar and the polar functional groups are directed towards adjacent layers. These layers stack so that the molecules of one slab are approximately orthogonal to those of the next. There is an extensive network of hydrogen bonds involving the water molecule and the ammonium, hydroxyl and sulfonate groups.

Original languageEnglish
Pages (from-to)940-942
JournalActa Crystallographica Section C: Crystal Structure Communications
Volume52
StatePublished - Apr 15 1996

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