Crystal structure of bis­{1-phenyl-3-methyl-4-(quinolin-3-yl)imino­methyl-κN-1H-pyrazol-5-olato-κO}zinc methanol 2.5-solvate from synchrotron X-ray diffraction

Burlov A.S.; Vlasenko V.G.; Dorovatovskii P.V.Zubavichus Y.V.Khrustalev V.N.

首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of bis{1-phenyl-3-methyl-4-(quinolin-3-yl)iminomethyl-κN-1H-pyrazol-5-olato-κO}zinc methanol 2.5-solvate from synchrotron X-ray diffraction

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Crystal structure of bis{1-phenyl-3-methyl-4-(quinolin-3-yl)iminomethyl-κN-1H-pyrazol-5-olato-κO}zinc methanol 2.5-solvate from synchrotron X-ray diffraction

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The title compound, Zn(C20H15N4O)2·2.5CH3OH, I, was synthesized via the reaction of zinc acetate with the respective ligand and isolated as a methanol solvate, i.e., as I·2.5CH3OH. The crystal structure is triclinic (space group P-1), with two complex molecules (A and B) and five methanol solvent molecules in the asymmetric unit. One of the five methanol solvent molecules is disordered over two sets of sites, with an occupancy ratio of 0.75:0.25. Molecules A and B are conformers and distinguished by the conformations of the bidentate 1-phenyl-3-methyl-4-(quinolin-3-yl)iminomethyl-1H-pyrazol-5-olate ligands. In both molecules, the zinc cations have distorted tetrahedral coordination spheres, binding the monoanionic ligands through the pyrazololate O and imine N atoms. The two ligands adopt slightly different conformations in terms of the orientation of the terminal phenyl and quinoline substituents with respect to the central pyrazololate moiety. The molecular geometries of A and B are supported by intramolecular C—H⋯O and C—H⋯N hydrogen bonds. In the crystal of I, molecules form dimers both by secondary intermolecular Zn⋯O 3.140 (2)–3.553 (3) Å and π–π stacking interactions. The dimers are linked by intermolecular hydrogen bonds through the solvent methanol molecules into a three-dimensional network.

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《Acta Crystallographica Section E: Crystallographic Communications》 |2017年第8期|1208-1212|共5页
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Burlov A.S.; Vlasenko V.G.; Dorovatovskii P.V.Zubavichus Y.V.Khrustalev V.N.;
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Crystal structure of bis­{1-phenyl-3-methyl-4-(quinolin-3-yl)imino­methyl-κN-1H-pyrazol-5-olato-κO}zinc methanol 2.5-solvate from synchrotron X-ray diffraction

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Crystal structure of bis{1-phenyl-3-methyl-4-(quinolin-3-yl)iminomethyl-κN-1H-pyrazol-5-olato-κO}zinc methanol 2.5-solvate from synchrotron X-ray diffraction