Preparation and infrared spectroelectrochemical studies of five-coordinate (por)Fe(OC(=O)R) compounds (por = TPP, OEP; R = CCl3, CH2Cl)

Nan Xu, Beiqi Yan, Dennis Awasabisah, Douglas R. Powell, George B. Richter-Addo

Research output: Contribution to journalArticle

Abstract

Three five-coordinate iron acetate porphyrin complexes, (por)Fe(OC(=O)R) (por = porphyrinato dianion; R = CCl3, CH2Cl), have been synthesized and characterized. The crystal structure of (TPP)Fe(OC(=O)CCl3) (TPP = tetraphenylporphyrinato dianion) has been determined by X-ray crystallography. The redox behaviors of the (por)Fe(OC(=O)R) compounds have been investigated by cyclic voltammetry and infrared spectroelectrochemistry. Analysis of the data reveals that the first oxidations of the (por)Fe(OC(=O)R) compounds are porphyrin-centered processes to yield π-radical cations of the form (por[rad]+)Fe(OC(=O)R), and the first reductions may facilitate the dissociation of the axial acetate ligands from the iron centers.

Original languageEnglish (US)
Pages (from-to)183-188
Number of pages6
JournalInorganica Chimica Acta
Volume469
DOIs
StatePublished - 2018

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Fingerprint Dive into the research topics of 'Preparation and infrared spectroelectrochemical studies of five-coordinate (por)Fe(OC(=O)R) compounds (por = TPP, OEP; R = CCl<sub>3</sub>, CH<sub>2</sub>Cl)'. Together they form a unique fingerprint.

  • Cite this