Balasubramanian T P, Muthiah P T
Department of Chemistry, Bharathidasan University, Tiruchirapalli, India.
Acta Crystallogr C. 1996 Apr 15;52 ( Pt 4):1017-9. doi: 10.1107/s010827019501170x.
The title compound, C9H6N2O6S.H2O, is zwitterionic (i.e. 8-hydroxy-7-nitroquinolinium-5-sulfonate monohydrate) with a deprotonated sulfonic group and a protonated quinoline N atom which interacts with the hydroxy O atom. The H atom of the hydroxy group is distal to the N atom and is involved in an interaction with an O atom of the nitro group, which is oriented at 32.2(1) degrees with respect to the quinoline ring system.
