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Published September 19, 2001 | public
Journal Article

The Structure and Spin Coupling of Catalase Compound I: A Study of Noncovalent Effects

Abstract

Catalase compound I contains an iron(lV)-oxo porphyrin- radical; in this species, an S = l iron-oxo unit and an S = 1/2 radical, located on the porphyrin ring, couple to give doublet and quartet states that are mixed by the zero-field splitting of the ferryl moiety. The result is a Kramer's doublet ground state with a distinctive EPR signature.

Additional Information

© 2001 American Chemical Society. Received 11 January 2001. Published online 25 August 2001. Published in print 1 September 2001. I thank Harry Gray, the Burroughs-Wellcome Fund, and the National Institutes of Health for supporting this research.

Additional details

Created:
August 19, 2023
Modified:
October 25, 2023