Received 3 November 2011
aSchool of Chemical Sciences, Universiti Sains Malaysia, Minden, Penang, Malaysia,bFaculty of Science, Sabha University, Libya,cDepartment of Chemistry, International University of Africa, Khartoum, Sudan, and dX-ray Crystallography Unit, School of Physics,Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Correspondence e-mail: firstname.lastname@example.org
In the title compound, C6H12N4OS, an intramolecular N-HN hydrogen-bond is present giving rise to an S(5) ring motif. In the crystal, double-stranded chains propagating along  are formed via pairs of O-HS and N-HS hydrogen bonds. The chains are further stabilized by C-HS interactions.
For standard bond lengths, see: Allen et al. (1987). For graph-set analysis of hydrogen bonds, see: Bernstein et al. (1995). For related structures, see: Choi et al. (2008). For the biological activity and pharmacological properties of thiosemicarbazones and their metal complexes, see: Cowley et al. (2002); Ming (2003); Lobana et al. (2004, 2007).
Data collection: APEX2 (Bruker, 2005); cell refinement: SAINT (Bruker, 2005); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: MW2038 ).
The authors thank the Malaysian Government and Universiti Sains Malaysia for the RU research Grant (1001/PKIMIA/815067). NEE thanks Universiti Sains Malaysia for a post-doctoral fellowship and the International University of Africa (Sudan) for providing research leave. HAF and AQA each thank the Ministry of Higher Education and the University of Sabha (Libya) for a scholarship.
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