FT-IR and theoretical analysis of the characteristic bonding properties in the multiplet metal porphyrin carbene complexes

Izumi Iwakura; Hirotaka Tanaka; Taketo Ikeno; Tohru Yamada

doi:10.1246/cl.2004.140

FT-IR and theoretical analysis of the characteristic bonding properties in the multiplet metal porphyrin carbene complexes

Izumi Iwakura, Hirotaka Tanaka, Taketo Ikeno, Tohru Yamada

Department of Chemistry

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

29 Citations (Scopus)

Abstract

FT-IR and theoretical studies of the d⁶ and d ⁷-porphyrin carbene complexes revealed that the metal-C _carbene bond is a double bond in the singlet state, while the metal-C_carbene bond is a single bond in the multiplet state. Since the radical on the C_carbene delocalized to the α-carbonyl group, the stretching of the C=O double bond shifted downward in the multiplet states.

Original language	English
Pages (from-to)	140-141
Number of pages	2
Journal	Chemistry Letters
Volume	33
Issue number	2
DOIs	https://doi.org/10.1246/cl.2004.140
Publication status	Published - 2004 Feb 5

ASJC Scopus subject areas

Chemistry(all)

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10.1246/cl.2004.140

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abstract = "FT-IR and theoretical studies of the d6 and d 7-porphyrin carbene complexes revealed that the metal-C carbene bond is a double bond in the singlet state, while the metal-Ccarbene bond is a single bond in the multiplet state. Since the radical on the Ccarbene delocalized to the α-carbonyl group, the stretching of the C=O double bond shifted downward in the multiplet states.",

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AU - Iwakura, Izumi

AU - Tanaka, Hirotaka

AU - Ikeno, Taketo

AU - Yamada, Tohru

PY - 2004/2/5

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N2 - FT-IR and theoretical studies of the d6 and d 7-porphyrin carbene complexes revealed that the metal-C carbene bond is a double bond in the singlet state, while the metal-Ccarbene bond is a single bond in the multiplet state. Since the radical on the Ccarbene delocalized to the α-carbonyl group, the stretching of the C=O double bond shifted downward in the multiplet states.

AB - FT-IR and theoretical studies of the d6 and d 7-porphyrin carbene complexes revealed that the metal-C carbene bond is a double bond in the singlet state, while the metal-Ccarbene bond is a single bond in the multiplet state. Since the radical on the Ccarbene delocalized to the α-carbonyl group, the stretching of the C=O double bond shifted downward in the multiplet states.

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FT-IR and theoretical analysis of the characteristic bonding properties in the multiplet metal porphyrin carbene complexes

Abstract

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