Received 8 June 2013
aDepartment of Physics, Regional centre of Anna University, Tirunelveli Region, Tirunelveli 627 007, India,bDepartment of Physics, University College of Engineering, Nagercoil, Anna University, Tirunelveli Region, Nagercoil 629 004, India, and cLaboratory of X-ray Crystallography, Indian Institute of Chemical Technology, Hyderabad 500 607, India
Correspondence e-mail: email@example.com
In the crystal of the title salt, C6H9N2O2S+·ClO4-, the components are linked by N-HO hydrogen bonds, forming a three-dimensional network. The cations are connected along a and b axes, leading to linear and zigzag C(3) and C(8) chain motifs, respectively. A cation-anion interaction along the c axis leads to a C22(12) chain motif. R33(18) and R33(20) ring motifs are observed as cation-anion-type interactions. These hydrogen-bonding ring and chain motifs are localized at z = 0 or 1, leading to alternate hydrophilic and hydrophobic regions along the c axis as a result of the stacking of anions and the aromatic cationic parts.
For the first use of sulfanilamide, see: Buttle et al. (1936). For related structures, see: Ravikumar et al. (2013); Pandiarajan et al. (2011); Topacli & Kesimli (2001). For graph-set motifs, see Etter et al. (1990).
Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SHELXTL/PC (Sheldrick, 2008); program(s) used to refine structure: SHELXTL/PC; molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXTL/PC.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: NG5332 ).
SA is grateful to the Department of Science and Technology, SERB, for the financial support of this work in the form of the Fast-track Research Project scheme.
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