Abstract
Abstract Assignments are collected for the i.r. spectra of solid films of phthalocyanines in their α and β modifications. On the basis of changes in these spectra the ability to form complexes with vapours of water, ethanol and phenol was investigated. All these species were found to be able to form hydrogen bonds to a nitrogen atom in the magnesium phthalocyanine molecule. Only phenol was found to adhere to zinc phthalocyanine but presenting a case of physisorption. There was, however, also signs of an interaction taking place between the zinc compound and water vapour. None of the vapours showed ability to interact with the iron, copper or metal-free phthalocyanine. The iron but not the metal-free compound proved capable of forming a complex, 1: 1, with water in a CCl4 solution.
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