Magnetic circular dichroism of symmetry and spin forbidden transitions of high-spin metal ions

Vasily S. Oganesyan; Andrew J. Thomson

doi:10.1063/1.1289531

Magnetic circular dichroism of symmetry and spin forbidden transitions of high-spin metal ions

Vasily S. Oganesyan, Andrew J. Thomson

Centre for Photonics and Quantum Science

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

A previously developed method to analyze magnetic circular dichroism (MCD) is extended to analyze the near infrared region of ligand-field (LF) spin-forbidden transitions of the type ⁶A₁→⁴E, ⁴A₂, ⁴B₂ of pseudo-tetrahedral high-spin Fe(III), S=5/2, in the protein oxidized rubredoxin. It is demonstrated that for some specific state of a paramagnetic center and under appropriate experimental conditions, the MCD of spin or symmetry forbidden transitions becomes comparable in magnitude to those of allowed transitions.

Original language	English
Pages (from-to)	5003-5017
Number of pages	15
Journal	Journal of Chemical Physics
Volume	113
Issue number	12
Early online date	8 Sept 2000
DOIs	https://doi.org/10.1063/1.1289531
Publication status	Published - 22 Sept 2000

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AB - A previously developed method to analyze magnetic circular dichroism (MCD) is extended to analyze the near infrared region of ligand-field (LF) spin-forbidden transitions of the type 6A1→4E, 4A2, 4B2 of pseudo-tetrahedral high-spin Fe(III), S=5/2, in the protein oxidized rubredoxin. It is demonstrated that for some specific state of a paramagnetic center and under appropriate experimental conditions, the MCD of spin or symmetry forbidden transitions becomes comparable in magnitude to those of allowed transitions.

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Magnetic circular dichroism of symmetry and spin forbidden transitions of high-spin metal ions

Abstract

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