Abstract
In the title compound, C20H21N2O2S+·NO3 −, the dihedral angle between the pyridinium and phenyl rings is 81.77 (19)°, that between the pyridinium and tolyl rings is 1.36 (18)°, and that between the phenyl and tolyl rings is 82.69 (19)°. In the crystal, the components are linked by strong charge-assisted bifurcated N+—H⋯(O,O) hydrogen bonds and the packing is consolidated by numerous weak C—H⋯O bonds and π–π stacking interactions [for the latter, centroid–centroid separation = 3.868 (2) Å].
Highlights
In the title compound, C20H21N2O2S+NO3, the dihedral angle between the pyridinium and phenyl rings is 81.77 (19), that between the pyridinium and tolyl rings is 1.36 (18), and that between the phenyl and tolyl rings is 82.69 (19)
The molecular structure of (I) (Fig. 1) shows that the nitrate is connected with its corresponding pyridinium via two strong charge-assisted N+—H···O hydrogen bonds
A series of intermolecular C—H···O interactions link the molecules (Table 1), Fig. 2, which are packed by π-π stacking interactions between the pyridinium ring and the tolyl ring at (1 + x, y, z) [centroid-to -centroid separation 3.868 Å], together with two weak C—H···π interactions [H19···Cg2(x - 1, y, z) 2.90 Å, H20B···Cg3(-x, y, z)
Summary
Jiang-Sheng Lia* and Jim Simpsonb a School of Chemistry and Biological Engineering, Changsha University of Science &.
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