Received 7 May 2013
The 4-methylbenzoic acid molecule of the title adduct, C10H11N5·C8H8O2, is approximately planar with a dihedral angle of 6.3 (2)° between the carboxylic acid group and the benzene ring. In the triazine molecule, the plane of the triazine ring makes a dihedral angle of 29.2 (2)° with that of the adjacent benzene ring. In the crystal, the acid and base molecules are linked via N-HO and O-HN hydrogen bonds with an R22(8) motif, and the acid-base pairs are further connected via N-HN hydrogen bonds with R22(8) motifs, forming a supramolecular ribbon along . Between the tapes, a weak C-H interaction is observed.
The background to this study has been described in the preceding paper, see: Thanigaimani et al. (2013). For hydrogen-bond motifs, see: Bernstein et al. (1995). For bond-length data, see: Allen et al. (1987). For stability of the temperature controller used for the data collection, see: Cosier & Glazer (1986).
Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); 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: IS5272 ).
The authors thank the Malaysian Government and Universiti Sains Malaysia (USM) for the research facilities and USM Short Term Grant (No. 304/PFIZIK/6312078) to conduct this work. KT thanks The Academy of Sciences for the Developing World and USM for a TWAS-USM fellowship.
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