Electronic structures of highly deformed iron(III) porphyrin complexes

Mikio Nakamura

doi:10.1016/j.ccr.2006.03.001

Electronic structures of highly deformed iron(III) porphyrin complexes

Mikio Nakamura

Department of Radiology

Research output: Contribution to journal › Review article › peer-review

150 Citations (Scopus)

Abstract

This review describes the effects of highly deformed porphyrin ring on the electronic structures of iron(III) porphyrinates, which includes (i) the electron configurations in low-spin (S = 1/2) ruffled complexes, (ii) the contribution of the intermediate-spin (S = 3/2) state in the spin-admixed (S = 5/2, 3/2) complexes with ruffled and saddled porphyrin ring, and (iii) the novel spin crossover (S = 1/2, S = 3/2) phenomenon in saddled complexes, with a special emphasis on the use of ¹H NMR, ¹³C NMR, and EPR spectroscopy.

Original language	English
Pages (from-to)	2271-2294
Number of pages	24
Journal	Coordination Chemistry Reviews
Volume	250
Issue number	17-18
DOIs	https://doi.org/10.1016/j.ccr.2006.03.001
Publication status	Published - 2006 Sep

Keywords

Deformation
EPR
Electronic structures
Iron(III)
NMR
Porphyrin
Spin crossover

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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abstract = "This review describes the effects of highly deformed porphyrin ring on the electronic structures of iron(III) porphyrinates, which includes (i) the electron configurations in low-spin (S = 1/2) ruffled complexes, (ii) the contribution of the intermediate-spin (S = 3/2) state in the spin-admixed (S = 5/2, 3/2) complexes with ruffled and saddled porphyrin ring, and (iii) the novel spin crossover (S = 1/2, S = 3/2) phenomenon in saddled complexes, with a special emphasis on the use of 1H NMR, 13C NMR, and EPR spectroscopy.",

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N2 - This review describes the effects of highly deformed porphyrin ring on the electronic structures of iron(III) porphyrinates, which includes (i) the electron configurations in low-spin (S = 1/2) ruffled complexes, (ii) the contribution of the intermediate-spin (S = 3/2) state in the spin-admixed (S = 5/2, 3/2) complexes with ruffled and saddled porphyrin ring, and (iii) the novel spin crossover (S = 1/2, S = 3/2) phenomenon in saddled complexes, with a special emphasis on the use of 1H NMR, 13C NMR, and EPR spectroscopy.

AB - This review describes the effects of highly deformed porphyrin ring on the electronic structures of iron(III) porphyrinates, which includes (i) the electron configurations in low-spin (S = 1/2) ruffled complexes, (ii) the contribution of the intermediate-spin (S = 3/2) state in the spin-admixed (S = 5/2, 3/2) complexes with ruffled and saddled porphyrin ring, and (iii) the novel spin crossover (S = 1/2, S = 3/2) phenomenon in saddled complexes, with a special emphasis on the use of 1H NMR, 13C NMR, and EPR spectroscopy.

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KW - EPR

KW - Electronic structures

KW - Iron(III)

KW - NMR

KW - Porphyrin

KW - Spin crossover

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