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1,1'-[(5-Hy-droxy-methyl-1,3-phenyl-ene)bis-(methyl-ene)]dipyridin-4(1H)-one monohydrate.

ABSTRACT: The asymmetric unit of the title compound, C(19)H(18)N(2)O(3), comprises a whole organic dipyridinone mol-ecule plus a water mol-ecule of crystallization. The planes of the pyridinone rings are approximately perpendicular with the plane of the central aromatic ring [dihedral angles = 80.68?(8) and 83.65?(8)°]. The C-O bond of the hy-droxy group subtends an angle of 31.71?(10)° with the plane through the central aromatic ring. The crystal packing is mediated by the presence of several O-H?O hydrogen-bonding inter-actions and while the water mol-ecules form a C(2) (1)(4) chain parallel to the c axis of the unit cell, the pendant hy-droxy groups are engaged in O-H?O=C hydrogen bonds described by a C(1) (1)(12) graph-set motif which runs parallel to the a axis.

SUBMITTER: Fernandes JA 

PROVIDER: S-EPMC3152136 | biostudies-literature | 2011 Jul

REPOSITORIES: biostudies-literature

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1,1'-[(5-Hy-droxy-methyl-1,3-phenyl-ene)bis-(methyl-ene)]dipyridin-4(1H)-one monohydrate.

Fernandes José A JA   Lago Manuela E L ME   Silva Sandrina S   Tomé João P C JP   Cavaleiro José A S JA   Almeida Paz Filipe A FA  

Acta crystallographica. Section E, Structure reports online 20110630 Pt 7

The asymmetric unit of the title compound, C(19)H(18)N(2)O(3), comprises a whole organic dipyridinone mol-ecule plus a water mol-ecule of crystallization. The planes of the pyridinone rings are approximately perpendicular with the plane of the central aromatic ring [dihedral angles = 80.68 (8) and 83.65 (8)°]. The C-O bond of the hy-droxy group subtends an angle of 31.71 (10)° with the plane through the central aromatic ring. The crystal packing is mediated by the presence of several O-H⋯O hydro  ...[more]

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