Abstract
THE tris-oxalato-complexes of the general formula K3[M(C2O4)] xH2O (I), where M can be aluminium, vanadium, chromium, iron, cobalt, rhodium, iridium and several other metals [x varies, being 3 for aluminium, vanadium, chromium and iron; 3.5 for cobalt; and 4.5 for rhodium and iridium], have played a leading part in many aspects of co-ordination chemistry during the past 50 years. A great deal of work refers1 to their spectroscopic behaviour (where they are normally considered as tris-chelate compounds), their kinetic behaviour in solution, and, in some cases, their resolution into enantiomers.
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References
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FENN, R., GRAHAM, A. & GILLARD, R. Structures of Tris-oxalato-complexes of Trivalent Metals. Nature 213, 1012–1013 (1967). https://doi.org/10.1038/2131012a0
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DOI: https://doi.org/10.1038/2131012a0
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