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(4Z)-4-[(2E)-1-Hy-droxy-3-(3-nitro-phen-yl)prop-2-en-1-yl-idene]-3-methyl-1-(4-methyl-phen-yl)-1H-pyrazol-5(4H)-one.

ABSTRACT: In the title compound, C(20)H(17)N(3)O(4), the dihedral angles between the heterocyclic ring and the toluene and nitro-benzene rings are 4.21?(15) and 11.43?(14)°, respectively. The whole mol-ecule is close to planar (r.m.s. deviation for the 27 non-H atoms = 0.171?Å). Two S(6) rings are formed due to intra-molecular C-H?O and O-H?O hydrogen bonds. In the crystal, inversion dimers linked by pairs of C-H?O bonds generate R(2) (2)(10) loops and further C-H?O bonds link the dimers along the b-axis direction. There exist ?-? inter-actions between the heterocyclic rings at a centroid-centroid distance of 3.7126?(10)?Å and between the centroids of the benzene rings at a distance of 3.8710?(16)?Å.

SUBMITTER: Chaudhry F 

PROVIDER: S-EPMC3393312 | biostudies-other | 2012 Jul

REPOSITORIES: biostudies-other

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(4Z)-4-[(2E)-1-Hy-droxy-3-(3-nitro-phen-yl)prop-2-en-1-yl-idene]-3-methyl-1-(4-methyl-phen-yl)-1H-pyrazol-5(4H)-one.

Chaudhry Faryal F   Tahir M Nawaz MN   Khan Misbahul Ain MA   Ather Abdul Qayyum AQ   Asif Nadia N  

Acta crystallographica. Section E, Structure reports online 20120613 Pt 7

In the title compound, C(20)H(17)N(3)O(4), the dihedral angles between the heterocyclic ring and the toluene and nitro-benzene rings are 4.21 (15) and 11.43 (14)°, respectively. The whole mol-ecule is close to planar (r.m.s. deviation for the 27 non-H atoms = 0.171 Å). Two S(6) rings are formed due to intra-molecular C-H⋯O and O-H⋯O hydrogen bonds. In the crystal, inversion dimers linked by pairs of C-H⋯O bonds generate R(2) (2)(10) loops and further C-H⋯O bonds link the dimers along the b-axis  ...[more]

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