Uranyl complexes with the general molecular formula UO2L2(H2O)2have been synthesised where L = 1-phenyl-3-methyl-4-acyl-pyrazolone-5 anion. IR and NMR spectral studies suggest that the complexes are monoaquobis(1-phenyl-3-methyl-4-acyl#x2013;pyrazolonato)dioxouranium(VI) monohydrates (UO2L2(H2O).H2O).
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