Tetrakis(5,7-dimethylquinolin-8-olato-κ2N,O)hafnium(IV) dimethylformamide disolvate

Tetrakis(5,7-dimethylquinolin-8-olato-κ2N,O)hafnium(IV) dimethylformamide disolvate

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In the title compound, [Hf(C11H10NO)4]·2C3H7NO, the HfIV atom is coordinated by four N,O-donating bidentate 5,7-dimethyl-8-quinolinolate (Ox−) ligands arranged to give a distorted square-antiprismatic coordination polyhedron.The average Hf—O and Hf—N distances Tie are 2.098 and 2.298 Å, respectively, and the average O—Hf—N bite angle is 70.

2°.The crystal packing is controlled by π–π interactions between Ox− ligands of neighbouring molecules, giving rise to a three-dimensional supramolecular grid network.The interplanar distances vary from 3.441 (1) to 3.

509 (1) Å, while the Memory Card Reader centroid–centroid distances vary from 3.688 (2) to 3.759 (12) Å.A non-classical C—H.

O hydrogen bond is observed between the complex and one of the solvate molecules.