THE STRUCTURE OF TETRAPHENYLANTIMONY DIBENZOYLMETHANATE. THE FACTORS AFFECTING THE STRENGTH OF LIGAND BINDING IN ANTIMONY(V) β-DIKETONATE COMPLEXES
Keywords:
tetraphenylantimony dibenzoylmethanate, dibenzoylmethane, molecular structures, X-ray analysisAbstract
Tetraphenylantimony dibenzoylmethanate (1) was obtained by substitution reaction from pentaphenylantimony and dibenzoylmethane (2) in toluene. The ligand is bidentate in molecule 1, antimony atom has octahedral coordination (trans-angles CSbO and CSbC 165.7(1)°, 168.7(1)° and 159.4(2)°, distances Sb–O 2.256(3), 2.235(3) Å, Sb–С 2.157(4)–2.170(4) Å). Compound 2 is in the enol form in the crystal, the length of C=O and O–C bonds are equal to 1.283(2) and 1.303(2) Å.References
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