Bonding Character in Tetracoordinate (Phthalocyaninato)iron(II) Complexes with Electron-Withdrawing Substituents as Studied by Mossbauer Spectroscopy

Toshie Ohya, Nagao Kobayashi, Mitsuo Sato

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14 Citations (Scopus)

Abstract

Mossbauer spectra of tetracoordinate (phthalocyaninato)iron(II) complexes with electron-withdrawing substituents were measured. Two kinds of bonding parameters, Σ and II, were introduced for substituted phthalocyanines to interpret Mossbauer parameters in connection with the bonding characteristics of the macrocyclic ligands. They represent a- and π-bonding properties, respectively, and are defined to be larger when more electron density is placed on the iron. Calculated orders of Σ and II are in a good correlation with the sum of the Hammett a constants, Σσ, of the substituents. Several tetracoordinate (porphyrinato)iron(II) complexes were treated similarly.

Original languageEnglish
Pages (from-to)2506-2509
Number of pages4
JournalInorganic chemistry
Volume26
Issue number15
DOIs
Publication statusPublished - 1987 Jul 1

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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