Steric effects in complexes of diphenyl(2-pyridyl)phosphine oxide with the uranyl ion. Synthetic, structural and theoretical studies
作者： Bal Govind Vats , S Kannan , K Parvathi , DK Maity , MGB Drew
DOI: 10.1016/J.POLY.2014.12.047
关键词:
摘要: Abstract Uranyl complexes containing diphenyl(2-pyridyl)phosphine oxide, with the formulae [UO2(NO3)2({C6H5}2POC5H4N)2] (1) and [UO2(DBM)2({C6H5}2POC5H4N)] (2) (where DBM = C6H5COCHCOC6H5), were prepared characterized by IR, NMR spectroscopic elemental analysis methods. The structures of compounds determined X-ray diffraction methods revealed a monodentate mode bonding for ligand through phosphine oxide oxygen atom to uranyl group. pyridyl nitrogen is uncoordinated. group surrounded eight atoms in hexagonal bi-pyramidal geometry 1 seven pentagonal 2.
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