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. 2010 Jun 18;66(Pt 7):o1697-8.
doi: 10.1107/S1600536810022828.

4-Methyl-5-phenyl-1H-pyrazol-3-ol

Tara Shahani, Hoong-Kun Fun, R Venkat Ragavan, V Vijayakumar, S Sarveswari

4-Methyl-5-phenyl-1H-pyrazol-3-ol

Tara Shahani et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The title compound, C(10)H(10)N(2)O, crystallizes with two independent mol-ecules in the asymmetric unit, having closely comparable geometries. The dihedral angles between the 1H-pyrazole and benzene rings in the two mol-ecules are 39.57 (14) and 41.95 (13)°. The two mol-ecules are each connected to neighbouring mol-ecules by pairs of inter-molecular O-H⋯N hydrogen bonds, forming dimers with R(2) (2)(8) ring motifs. These dimers are further linked into R(4) (4)(10) ring motifs by inter-molecular N-H⋯O hydrogen bonds, forming chains along [101]. The crystal structure is further stabilized by a C-H⋯π inter-action.

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Figures

Fig. 1.
Fig. 1.
The molecular structure of the title compound, showing 20% probability displacement ellipsoids and the atom numbering scheme.
Fig. 2.
Fig. 2.
The crystal packing of the title compound, viewed approximately along the b axis, showing a one-dimensional chain.
See this image and copyright information in PMC

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