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Dibromidobis-(4-hydr-oxy-1,5-dimethyl-2-phenyl-3-pyrazolone)zinc(II).


ABSTRACT: In the title compound, [ZnBr(2)(C(11)H(12)N(2)O(2))(2)], the Zn(II) ion is coordinated by two Br atoms and two O atoms from two 4-hydroxy-anti-pyrine mol-ecules via the carbonyl O atoms, which act as monodentate ligands, giving rise to a distorted tetra-hedral geometry. The values of the bond angles at the Zn atom are in the range 99.4?(1) to 113.2?(1)°. The presence of O-H?O and O-H?Br intra-molecular hydrogen bonds can explain the difference between the two Zn-O [1.961?(3)/2.015?(3)?Å] and the two Zn-Br [2.350?(1)/2.378?(1)?Å] bond lengths. The crystal structure is governed by C-H?O, C-H?Br and Zn-Br?Cg(?-ring) inter-actions.

SUBMITTER: Lemoine P 

PROVIDER: S-EPMC2961802 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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Dibromidobis-(4-hydr-oxy-1,5-dimethyl-2-phenyl-3-pyrazolone)zinc(II).

Lemoine Pascale P   Viossat Bernard B   Brion Jean Daniel JD   Bekaert Alain A  

Acta crystallographica. Section E, Structure reports online 20080607 Pt 7


In the title compound, [ZnBr(2)(C(11)H(12)N(2)O(2))(2)], the Zn(II) ion is coordinated by two Br atoms and two O atoms from two 4-hydroxy-anti-pyrine mol-ecules via the carbonyl O atoms, which act as monodentate ligands, giving rise to a distorted tetra-hedral geometry. The values of the bond angles at the Zn atom are in the range 99.4 (1) to 113.2 (1)°. The presence of O-H⋯O and O-H⋯Br intra-molecular hydrogen bonds can explain the difference between the two Zn-O [1.961 (3)/2.015 (3) Å] and the  ...[more]

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