Received 30 June 2013
aDepartment of Chemistry and Research Centre, PRNSS College, Mattanur 670 702, Kannur, Kerala, India,bDepartment of Chemistry, Faculty of Science, Eastern University, Sri Lanka, Chenkalady, Sri Lanka, and cDepartment of Applied Chemistry, Cochin University of Science and Technology, Kochi 682 022, India
Correspondence e-mail: firstname.lastname@example.org
In the title compound, C12H11N3O3·2H2O, the dihedral angle formed by the planes of the pyridine and the furan rings of the organic carbohydrazide molecule is 4.66 (7)°. In the crystal, these molecules form stacks along the b-axis direction, neighbouring molecules within each stack being related by inversion and the shortest distance between the centroids of the pyridine and furan rings being 3.714 (1) Å. Molecules from neighboring stacks are linked by pairs of N-HO hydrogen bonds. The water molecules fill the channels between the stacks being linked by O-HO hydrogen bonds into helices along . Besides this, water molecules are involved in O-HN and O-HO hydrogen bonds with the carbohydrazide molecules, thus forming a three-dimensional network, augmented by weak C-HO interactions.
For biological properties of carbohydrazide and its derivatives, see: Rollas & Kucukguzel (2007); Bakir & Brown (2002). For the synthesis of related compounds, see: Sreeja & Kurup (2005). For related structures, see: Nair et al. (2012); Reshma et al. (2012); Prasanna et al. (2013).
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and DIAMOND (Brandenburg, 2010); software used to prepare material for publication: SHELXL97 and publCIF (Westrip, 2010).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: YK2097 ).
MKP is thankful to the University Grants Commission, Bangalore, India, for the award of a Teacher Fellowship. MRPK is thankful to the UGC, New Delhi, for a UGC-BSR one-time grant to Faculty. The authors are grateful to the Sophisticated Analytical Instruments Facility, Cochin University of Science and Technology, Kochi-22, India, for the single-crystal X-ray diffraction measurements.
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