title: 4a-Methyl-2,3,4,4a-tetra-hydro-1H-carbazole-6-sulfonamide.
abstract: In the title mol-ecule, C(13)H(16)N(2)O(2)S, the nine non-H atoms comprising the indole residue are approximately coplanar (r.m.s. deviation = 0.031 Å). The partially saturated ring adopts a chair conformation. One amine H forms an inter-molecular N-H⋯O hydrogen bond to a sulfonamide O atom, while the other amine H form is connected to the indole N atom of an adjacent mol-ecule via an N-H⋯N hydrogen bond, resulting in a three-dimensional architecture.
authors.forename: Abdulrahman O
authors.initials: AO
authors.lastname: Al-Youbi
authors.forename: Abdullah M
authors.initials: AM
authors.lastname: Asiri
authors.forename: Hassan M
authors.initials: HM
authors.lastname: Faidallah
authors.forename: Seik Weng
authors.initials: SW
authors.lastname: Ng
authors.forename: Edward R T
authors.initials: ER
authors.lastname: Tiekink