MS Subramanian

SA Pai

VK Manchanda

The proton magnetic
resonance spectra of the synergistic complexes of uranyl β-diketonates with dihexyl
sulphoxide as the neutral donor give a multiplet
consisting of eight lines for the terminal methylene group protons adjacent to
the sulphur atom of the sulphoxide and a triplet for the β-methylene protons.
This conforms to an ABX2 pattern arising as a result of
nonequivalence of the two protons of the terminal methylene group as a result
of steric hindrance to free rotation about the C-S bond. The presence of such
restricted rotation has been adduced as evidence for a direct donor-metal bond.





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Complexes of uranyl β-diketonates with sulphoxides

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