Abstract
The ternary binuclear complexes, [(UO2phen)2L1–5](NO3) n · S (1–3): n = 1; (4, 5): n = 2; S = solvent {H3L1–3 = 1-(2-hydroxybenzoyl)-2-(2-hydroxybenzal/2-hydroxy-3-methoxybenzal/2-hydroxynaphthal)hydrazine; H2L4,5 = 1-(2-aminobenzoyl)-2-(2-hydroxybenzal/2-hydroxy-3-methoxybenzal)hydrazine; phen = 1,10-phenanthroline} have been prepared and characterised, and their spectral and electrochemical properties studied. Complexes (4, 5) possess longer O=U=O bonds than those in complexes (1–3) as a result of the strong σ-donating phenolate group being replaced by an amino group. The i.r. spectra and electrochemical behaviour confirm the electronic non-equivalence of the coordination environments around the two uranyl ions in these complexes.
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Gandhi, J.B., Kulkarni, N.D. Binuclear complexes with uranyl ions in non-equivalent coordination environments – 2. Synthesis and electrochemistry of the complexes with binucleating aroyl hydrazones and 1,10-phenanthroline. Transition Metal Chemistry 26, 96–99 (2001). https://doi.org/10.1023/A:1007133413114
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DOI: https://doi.org/10.1023/A:1007133413114