Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a "picket-fence" porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase

E. Bill; E. L. Bominaar; X. O. Ding; J. Fischer; A. Gismelseed; H. Nasri; A. X. Trautwein; R. Weiss; H. Winkler

doi:10.1007/BF02397321

Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a "picket-fence" porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase

E. Bill^*, E. L. Bominaar, X. O. Ding, J. Fischer, A. Gismelseed, H. Nasri, A. X. Trautwein, R. Weiss, H. Winkler

^*Corresponding author for this work

Institute of Physics

CNRS, UPS3044

Abstract

Mössbauer investigations were performed in the ferrous and ferric form of the 'picket-fence' porphyrinato acetato iron complex |Fe(CH₃CO₂) (TP_pivP)|^1-,0 at temperatures varying from 1.5-200K and in fields of 0-6.2T. The ferrous complex has an unusually large quadrupole splitting, ΔE_Q=+4.25mms^-1. The quadrupole splitting in the ferric species, ΔE_Q=+1.1mms^-1, is as normally found in ferric high-spin iron porphyrins. Spin-Hamiltonian analysis of the magnetic spectra yields zero-field parameters D=-0.9mms^-1, E/D=0.33 and magnetic hyperfine parameters A_x,y=-17T, A_z=-13.3T in the ferrous high-spin (S=2) complex, and D=7.5cm^-1, E/D≈0 and A_x,y,z=20T in the ferric high-spin (S=5/2) species.

Original language	English
Journal	Hyperfine Interactions
Volume	71
Issue number	1-4
Pages (from-to)	1295-1298
Number of pages	4
ISSN	0304-3843
DOIs	https://doi.org/10.1007/BF02397321
Publication status	Published - 01.04.1992

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Bill, E., Bominaar, E. L., Ding, X. O., Fischer, J., Gismelseed, A., Nasri, H., Trautwein, A. X., Weiss, R., & Winkler, H. (1992). Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a "picket-fence" porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase. Hyperfine Interactions, 71(1-4), 1295-1298. https://doi.org/10.1007/BF02397321

@article{da211beef80545a2bb106d5ff0f39ba5,

title = "Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a {"}picket-fence{"} porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase",

abstract = "M{\"o}ssbauer investigations were performed in the ferrous and ferric form of the 'picket-fence' porphyrinato acetato iron complex |Fe(CH3CO2) (TPpivP)|1-,0 at temperatures varying from 1.5-200K and in fields of 0-6.2T. The ferrous complex has an unusually large quadrupole splitting, ΔEQ=+4.25mms-1. The quadrupole splitting in the ferric species, ΔEQ=+1.1mms-1, is as normally found in ferric high-spin iron porphyrins. Spin-Hamiltonian analysis of the magnetic spectra yields zero-field parameters D=-0.9mms-1, E/D=0.33 and magnetic hyperfine parameters Ax,y=-17T, Az=-13.3T in the ferrous high-spin (S=2) complex, and D=7.5cm-1, E/D≈0 and Ax,y,z=20T in the ferric high-spin (S=5/2) species.",

author = "E. Bill and Bominaar, {E. L.} and Ding, {X. O.} and J. Fischer and A. Gismelseed and H. Nasri and Trautwein, {A. X.} and R. Weiss and H. Winkler",

year = "1992",

month = apr,

day = "1",

doi = "10.1007/BF02397321",

language = "English",

volume = "71",

pages = "1295--1298",

journal = "Hyperfine Interactions",

issn = "0304-3843",

number = "1-4",

}

Bill, E, Bominaar, EL, Ding, XO, Fischer, J, Gismelseed, A, Nasri, H, Trautwein, AX, Weiss, R & Winkler, H 1992, 'Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a "picket-fence" porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase', Hyperfine Interactions, vol. 71, no. 1-4, pp. 1295-1298. https://doi.org/10.1007/BF02397321

Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a "picket-fence" porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase. / Bill, E.; Bominaar, E. L.; Ding, X. O. et al.
In: Hyperfine Interactions, Vol. 71, No. 1-4, 01.04.1992, p. 1295-1298.

Research output: Journal Articles › Journal articles › Research › peer-review

TY - JOUR

T1 - Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a "picket-fence" porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase

AU - Bill, E.

AU - Bominaar, E. L.

AU - Ding, X. O.

AU - Fischer, J.

AU - Gismelseed, A.

AU - Nasri, H.

AU - Trautwein, A. X.

AU - Weiss, R.

AU - Winkler, H.

PY - 1992/4/1

Y1 - 1992/4/1

N2 - Mössbauer investigations were performed in the ferrous and ferric form of the 'picket-fence' porphyrinato acetato iron complex |Fe(CH3CO2) (TPpivP)|1-,0 at temperatures varying from 1.5-200K and in fields of 0-6.2T. The ferrous complex has an unusually large quadrupole splitting, ΔEQ=+4.25mms-1. The quadrupole splitting in the ferric species, ΔEQ=+1.1mms-1, is as normally found in ferric high-spin iron porphyrins. Spin-Hamiltonian analysis of the magnetic spectra yields zero-field parameters D=-0.9mms-1, E/D=0.33 and magnetic hyperfine parameters Ax,y=-17T, Az=-13.3T in the ferrous high-spin (S=2) complex, and D=7.5cm-1, E/D≈0 and Ax,y,z=20T in the ferric high-spin (S=5/2) species.

AB - Mössbauer investigations were performed in the ferrous and ferric form of the 'picket-fence' porphyrinato acetato iron complex |Fe(CH3CO2) (TPpivP)|1-,0 at temperatures varying from 1.5-200K and in fields of 0-6.2T. The ferrous complex has an unusually large quadrupole splitting, ΔEQ=+4.25mms-1. The quadrupole splitting in the ferric species, ΔEQ=+1.1mms-1, is as normally found in ferric high-spin iron porphyrins. Spin-Hamiltonian analysis of the magnetic spectra yields zero-field parameters D=-0.9mms-1, E/D=0.33 and magnetic hyperfine parameters Ax,y=-17T, Az=-13.3T in the ferrous high-spin (S=2) complex, and D=7.5cm-1, E/D≈0 and Ax,y,z=20T in the ferric high-spin (S=5/2) species.

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U2 - 10.1007/BF02397321

DO - 10.1007/BF02397321

M3 - Journal articles

AN - SCOPUS:34249841395

SN - 0304-3843

VL - 71

SP - 1295

EP - 1298

JO - Hyperfine Interactions

JF - Hyperfine Interactions

IS - 1-4

ER -

Spectroscopic and structural investigations of the ferrous and ferric high-spin state of a "picket-fence" porphyrinato acetato iron complex. A refined model for the P460 center of hydroxylamine oxidoreductase

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