Abstract
Compounds of triethylenediamine with the chlorides of manganese, iron, cobalt, nickel and copper have been prepared in ethanolic solution. The compounds, which have been characterised by analyses, magnetic moments, and vibrational and electronic spectra, show that for the iron and cobalt compounds the metal ions are in a tetrahedral environment, whereas for the manganese, nickel and copper compounds the metal ions are in an octahedral environment. The thermal behaviour of these compounds has been studied by thermogravimetry and differential thermal analysis. The iron, cobalt, nickel and copper compounds which are hydrated lose water, followed by organic ligand and halogen, to give the metal oxide. The manganese compound loses the organic ligand and halogen to form an oxide of manganese.
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