(5-Hy-droxy-3-methyl-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)(pyridin-4-yl)methanone monohydrate. 2010

Hadi Kargar, and Reza Kia, and Fatemeh Froozandeh, and Moayad Hossaini Sadr, and Muhammad Nawaz Tahir

In the title compound, C(16)H(15)N(3)O(2)·H(2)O, the mean plane of the approximately planar pyrazole ring [maximum deviation = 0.0474 (18) Å] makes dihedral angles of 86.32 (11) and 45.04 (10)° with the phenyl and pyridine rings, respectively. The dihedral angle between the phenyl and pyridine rings is 69.62 (11)°. In the crystal, inter-molecular O-H⋯O and O-H⋯N hydrogen bonds connect the components into chains along [010]. The crystal structure is further stabilized by π-π stacking inter-actions with centroid-centroid distances of 3.7730 (12) Å.

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