Experiments in dimethyl sulphoxide and dimethylacetamide show that ‘chloroferric phthalocyanine’ is most probably a hydrochloride of ferrous phthalocyanine. Evidence is presented to show that chloride ion is acting as an axial ligand at a ferrous centre. The proton modifies the phthalocyanine ring, presumably being attached to an azomethine bridge. These results are discussed in the light of previous ones.
J. G. Jones and M. V. Twigg, J. Chem. Soc. A, 1970, 1546 DOI: 10.1039/J19700001546
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