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A second monoclinic polymorph of (E)-phen-yl(pyridin-2-yl)methanone oxime.

ABSTRACT: The title compound, C(12)H(10)N(2)O, a second monoclinic poly-morph of (E)-phen-yl(pyridin-2-yl)methanone oxime crystallizes in the space group P2(1)/n (Z = 4). The previously reported polymorph [Taga et al. (1990 ?). Acta Cryst. C46, 2241-2243] occurs in the space group C2/c (Z = 8). In the crystal, pairs of bifurcated O-H?(N,O) hydrogen bonds link the mol-ecules into inversion dimers. The dimers are linked by C-H?? inter-actions, forming a linear arrangement. The dihedral angle between the pyridine and phenyl rings is 67.70?(8)°.

SUBMITTER: Rodriguez-Mora MI 

PROVIDER: S-EPMC3569829 | biostudies-other | 2013 Feb

REPOSITORIES: biostudies-other

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A second monoclinic polymorph of (E)-phen-yl(pyridin-2-yl)methanone oxime.

Rodríguez-Mora Monserrath I MI   Reyes-Martínez Reyna R   Flores-Alamo Marcos M   García Juventino J JJ   Morales-Morales David D  

Acta crystallographica. Section E, Structure reports online 20130131 Pt 2

The title compound, C(12)H(10)N(2)O, a second monoclinic poly-morph of (E)-phen-yl(pyridin-2-yl)methanone oxime crystallizes in the space group P2(1)/n (Z = 4). The previously reported polymorph [Taga et al. (1990 ▶). Acta Cryst. C46, 2241-2243] occurs in the space group C2/c (Z = 8). In the crystal, pairs of bifurcated O-H⋯(N,O) hydrogen bonds link the mol-ecules into inversion dimers. The dimers are linked by C-H⋯π inter-actions, forming a linear arrangement. The dihedral angle between the pyr  ...[more]

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