Summary
Polynuclear chromium(III) and iron(III) complexes with hydroxyethylidenediphosphonic acid (H4L1), ethylenediphosphonic acid (H4L2),o-phenylenediamine-N,N′-bis(methylenephosphonic acid) (H4L3), ethylenediamine-N, N, N′, N′-tetrakis(methylenephosphonic acid) (H8L4) ando-phenylenediamine-N, N, N′, N′-tetrakis-(methylenephosphonic acid) (H8L5) have been prepared and characterised by elemental analyses, magnetic measurements, i.r., electronic Mössbauer spectra. The compounds are anti-ferromagnetic.
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Venkateswara Rao, B., Palta, N., Puri, D.M. et al. Polynuclear trivalent metal complexes with phosphonic acids. Transition Met Chem 13, 281–283 (1988). https://doi.org/10.1007/BF01025674
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DOI: https://doi.org/10.1007/BF01025674