Mössbauer spectroscopic and magnetic properties of iron/III/ pheophytins

H. Hori; K. Kadono; H. Inoue; T. Shirai; E. Fluck

doi:10.1007/bf02164106

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 136: Issue 2

Mössbauer spectroscopic and magnetic properties of iron/III/ pheophytins

Authors:

H. Hori

H. Hori Keio University Department of Applied Chemistry, Faculty of Science and Technology 3-14-1, Hiyoshi 223 Yokohama Japan

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K. Kadono

K. Kadono Keio University Department of Applied Chemistry, Faculty of Science and Technology 3-14-1, Hiyoshi 223 Yokohama Japan

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H. Inoue

H. Inoue Keio University Department of Applied Chemistry, Faculty of Science and Technology 3-14-1, Hiyoshi 223 Yokohama Japan

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T. Shirai

T. Shirai Keio University Department of Applied Chemistry, Faculty of Science and Technology 3-14-1, Hiyoshi 223 Yokohama Japan

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E. Fluck

E. Fluck Gmelin-Institut der Max-Planck-Gesellschaft Varrentrappstrasse 40/42 D-6000 Frankfurt am Main 90 FRG

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Pages:: 159–168

Online Publication Date:: 27 Sep 2005

Publication Date:: 17 May 1989

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02164106

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Abstract

Mössbauer spectra of /pheophytinato a/ iron/III/ chloride [Fe/Pheo-a/Cl] and /pheophytinato b/ iron/III/ chloride [Fe/Pheo-b/Cl] have revealed that the central iron/III/ ion is in a high-spin state and axially coordinated by chloride ions in solid phase. Temperature-dependent asymmetry observed for the quadrupole splitting doublet of iron/III/ pheophytins, i.e., Fe/Pheo-a/Cl and Fe/Pheo-b/Cl, is interpreted on the basis of the zero-field splitting. The structural difference between iron/III/ pheophytins and iron/III/ porphyrins is reflected in the quadrupole splitting more than in the isomer shift. Magnetic behaviour of iron/III/ pheophytins near 4.2 K is very similar to that of iron/III/ porphyrins.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)