XAFS study of the photoinduced spin transition of [Fe(2-pic)3] Cl2 · C2H5OH

Kaoru Okamoto; Kensuke Nagai; Jun Miyawaki; Hiroshi Kondoh; Toshiaki Ohta

doi:10.1016/S0009-2614(03)00332-4

XAFS study of the photoinduced spin transition of [Fe(2-pic)₃] Cl₂ · C₂H₅OH

Kaoru Okamoto, Kensuke Nagai, Jun Miyawaki, Hiroshi Kondoh, Toshiaki Ohta

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

12 Citations (Scopus)

Abstract

A photoinduced spin transition state of [Fe^II(2-picorylamine)₃]Cl₂ · C₂H₅OH was investigated by Fe K-edge X-ray-absorption fine structure (XAFS) spectroscopy. The X-ray-absorption near-edge structure (XANES) of the photoirradiated sample at 30 K is well reproduced as a superposition of those obtained at 298 and 30 K, corresponding to high- and low-spin phases, respectively. An analysis of the extended X-ray-absorption fine structure (EXAFS) shows that the Fe-N coordination in the photoinduced state is identical with that in the high-spin phase at room temperature, as confirmed by the bond distance and the Debye-Waller factor.

Original language	English
Pages (from-to)	707-712
Number of pages	6
Journal	Chemical Physics Letters
Volume	371
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(03)00332-4
Publication status	Published - 2003 Apr 14
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "XAFS study of the photoinduced spin transition of [Fe(2-pic)3] Cl2 · C2H5OH",

abstract = "A photoinduced spin transition state of [FeII(2-picorylamine)3]Cl2 · C2H5OH was investigated by Fe K-edge X-ray-absorption fine structure (XAFS) spectroscopy. The X-ray-absorption near-edge structure (XANES) of the photoirradiated sample at 30 K is well reproduced as a superposition of those obtained at 298 and 30 K, corresponding to high- and low-spin phases, respectively. An analysis of the extended X-ray-absorption fine structure (EXAFS) shows that the Fe-N coordination in the photoinduced state is identical with that in the high-spin phase at room temperature, as confirmed by the bond distance and the Debye-Waller factor.",

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T1 - XAFS study of the photoinduced spin transition of [Fe(2-pic)3] Cl2 · C2H5OH

AU - Okamoto, Kaoru

AU - Nagai, Kensuke

AU - Miyawaki, Jun

AU - Kondoh, Hiroshi

AU - Ohta, Toshiaki

PY - 2003/4/14

Y1 - 2003/4/14

N2 - A photoinduced spin transition state of [FeII(2-picorylamine)3]Cl2 · C2H5OH was investigated by Fe K-edge X-ray-absorption fine structure (XAFS) spectroscopy. The X-ray-absorption near-edge structure (XANES) of the photoirradiated sample at 30 K is well reproduced as a superposition of those obtained at 298 and 30 K, corresponding to high- and low-spin phases, respectively. An analysis of the extended X-ray-absorption fine structure (EXAFS) shows that the Fe-N coordination in the photoinduced state is identical with that in the high-spin phase at room temperature, as confirmed by the bond distance and the Debye-Waller factor.

AB - A photoinduced spin transition state of [FeII(2-picorylamine)3]Cl2 · C2H5OH was investigated by Fe K-edge X-ray-absorption fine structure (XAFS) spectroscopy. The X-ray-absorption near-edge structure (XANES) of the photoirradiated sample at 30 K is well reproduced as a superposition of those obtained at 298 and 30 K, corresponding to high- and low-spin phases, respectively. An analysis of the extended X-ray-absorption fine structure (EXAFS) shows that the Fe-N coordination in the photoinduced state is identical with that in the high-spin phase at room temperature, as confirmed by the bond distance and the Debye-Waller factor.

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