Iron(III) phthalocyanines: Oxidation and spin states of iron in iron phthalocyanines with carboxyl groups

Nagao Kobayashi, Hirofusa Shirai, Nobumasa Hojo

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)

Abstract

Mössbauer and e.s.r. spectroscopy have revealed that 2,3,9,10,16,17,23,24-octacarboxy- (1), 2,9,16,23-tetracarboxy- (2), and 2,9 (or 10)- and 2,16 (or 17)-bis(3′,4′-dicarboxybenzoyl)-phthalocyaninatoiron (3) are mixtures of high-spin iron (III) and low-spin iron (III) complexes and that intermediate-spin species may be present in (2) in the solid state. However, the low-spin component disappears when the phthalocyanines are immobilized on poly(styrene). The properties of these compounds in solution are described on the basis of e.s.r., m.c.d., and u.v. spectroscopy.

Original languageEnglish
Pages (from-to)2107-2110
Number of pages4
JournalJournal of the Chemical Society, Dalton Transactions
Issue number10
DOIs
Publication statusPublished - 1984 Jan 1

ASJC Scopus subject areas

  • Chemistry(all)

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