EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) "wheels": studies of isostructural compounds with different spin ground states

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Standard

EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) "wheels": studies of isostructural compounds with different spin ground states. / Piligkos, Stergios; Weihe, Høgni; Bill, Eckhard; Neese, Frank; El Mkami, Hassane; Smith, Graham M; Collison, David; Rajaraman, Gopalan; Timco, Grigore A; Winpenny, Richard E P; McInnes, Eric J L.

I: Chemistry: A European Journal, Bind 15, Nr. 13, 2009, s. 3152-67.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Piligkos, S, Weihe, H, Bill, E, Neese, F, El Mkami, H, Smith, GM, Collison, D, Rajaraman, G, Timco, GA, Winpenny, REP & McInnes, EJL 2009, 'EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) "wheels": studies of isostructural compounds with different spin ground states', Chemistry: A European Journal, bind 15, nr. 13, s. 3152-67. https://doi.org/10.1002/chem.200801895

APA

Piligkos, S., Weihe, H., Bill, E., Neese, F., El Mkami, H., Smith, G. M., Collison, D., Rajaraman, G., Timco, G. A., Winpenny, R. E. P., & McInnes, E. J. L. (2009). EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) "wheels": studies of isostructural compounds with different spin ground states. Chemistry: A European Journal, 15(13), 3152-67. https://doi.org/10.1002/chem.200801895

Vancouver

Piligkos S, Weihe H, Bill E, Neese F, El Mkami H, Smith GM o.a. EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) "wheels": studies of isostructural compounds with different spin ground states. Chemistry: A European Journal. 2009;15(13):3152-67. https://doi.org/10.1002/chem.200801895

Author

Piligkos, Stergios ; Weihe, Høgni ; Bill, Eckhard ; Neese, Frank ; El Mkami, Hassane ; Smith, Graham M ; Collison, David ; Rajaraman, Gopalan ; Timco, Grigore A ; Winpenny, Richard E P ; McInnes, Eric J L. / EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) "wheels": studies of isostructural compounds with different spin ground states. I: Chemistry: A European Journal. 2009 ; Bind 15, Nr. 13. s. 3152-67.

Bibtex

@article{e1e5def0b28011debc73000ea68e967b,
title = "EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) {"}wheels{"}: studies of isostructural compounds with different spin ground states",
abstract = "Spinning wheels: The presented highly resolved multifrequency continuous wave EPR spectra (e.g., see figure) of the heterooctametalic {"}wheels{"} Cr(7)M provide rare examples of high nuclearity polymetallic systems where detailed information on the spin-Hamiltonian parameters of the ground and excited spin states is observed.We present highly resolved multifrequency (X-, K-, Q- and W-band) continous wave EPR spectra of the heterooctametalic {"}wheels{"}, [(CH(3))(2)NH(2)][Cr(III) (7)M(II)F(8)((CH(3))(3)CCOO)(16)], hereafter Cr(7)M, where M=Cd, Zn, Mn, and Ni. These experimental spectra provide rare examples of high nuclearity polymetallic systems where detailed information on the spin-Hamiltonian parameters of the ground and excited spin states is observed. We interpret the EPR spectra by use of restricted size effective subspaces obtained by the rigorous solution of spin-Hamiltonians of dimension up to 10(5) by use of the Davidson algorithm. We show that transferability of spin-Hamiltonian parameters across complexes of the Cr(7)M family is possible and that the spin-Hamiltonian parameters of Cr(7)M do not have sharply defined values, but are rather distributed around a mean value.",
author = "Stergios Piligkos and H{\o}gni Weihe and Eckhard Bill and Frank Neese and {El Mkami}, Hassane and Smith, {Graham M} and David Collison and Gopalan Rajaraman and Timco, {Grigore A} and Winpenny, {Richard E P} and McInnes, {Eric J L}",
note = "Keywords: Algorithms; Cadmium; Chromium; Crystallography, X-Ray; Electron Spin Resonance Spectroscopy; Manganese; Models, Chemical; Molecular Conformation; Molecular Structure; Nickel; Zinc",
year = "2009",
doi = "10.1002/chem.200801895",
language = "English",
volume = "15",
pages = "3152--67",
journal = "Chemistry: A European Journal",
issn = "0947-6539",
publisher = "Wiley - V C H Verlag GmbH & Co. KGaA",
number = "13",

}

RIS

TY - JOUR

T1 - EPR spectroscopy of a family of Cr(III) 7M(II) (M = Cd, Zn, Mn, Ni) "wheels": studies of isostructural compounds with different spin ground states

AU - Piligkos, Stergios

AU - Weihe, Høgni

AU - Bill, Eckhard

AU - Neese, Frank

AU - El Mkami, Hassane

AU - Smith, Graham M

AU - Collison, David

AU - Rajaraman, Gopalan

AU - Timco, Grigore A

AU - Winpenny, Richard E P

AU - McInnes, Eric J L

N1 - Keywords: Algorithms; Cadmium; Chromium; Crystallography, X-Ray; Electron Spin Resonance Spectroscopy; Manganese; Models, Chemical; Molecular Conformation; Molecular Structure; Nickel; Zinc

PY - 2009

Y1 - 2009

N2 - Spinning wheels: The presented highly resolved multifrequency continuous wave EPR spectra (e.g., see figure) of the heterooctametalic "wheels" Cr(7)M provide rare examples of high nuclearity polymetallic systems where detailed information on the spin-Hamiltonian parameters of the ground and excited spin states is observed.We present highly resolved multifrequency (X-, K-, Q- and W-band) continous wave EPR spectra of the heterooctametalic "wheels", [(CH(3))(2)NH(2)][Cr(III) (7)M(II)F(8)((CH(3))(3)CCOO)(16)], hereafter Cr(7)M, where M=Cd, Zn, Mn, and Ni. These experimental spectra provide rare examples of high nuclearity polymetallic systems where detailed information on the spin-Hamiltonian parameters of the ground and excited spin states is observed. We interpret the EPR spectra by use of restricted size effective subspaces obtained by the rigorous solution of spin-Hamiltonians of dimension up to 10(5) by use of the Davidson algorithm. We show that transferability of spin-Hamiltonian parameters across complexes of the Cr(7)M family is possible and that the spin-Hamiltonian parameters of Cr(7)M do not have sharply defined values, but are rather distributed around a mean value.

AB - Spinning wheels: The presented highly resolved multifrequency continuous wave EPR spectra (e.g., see figure) of the heterooctametalic "wheels" Cr(7)M provide rare examples of high nuclearity polymetallic systems where detailed information on the spin-Hamiltonian parameters of the ground and excited spin states is observed.We present highly resolved multifrequency (X-, K-, Q- and W-band) continous wave EPR spectra of the heterooctametalic "wheels", [(CH(3))(2)NH(2)][Cr(III) (7)M(II)F(8)((CH(3))(3)CCOO)(16)], hereafter Cr(7)M, where M=Cd, Zn, Mn, and Ni. These experimental spectra provide rare examples of high nuclearity polymetallic systems where detailed information on the spin-Hamiltonian parameters of the ground and excited spin states is observed. We interpret the EPR spectra by use of restricted size effective subspaces obtained by the rigorous solution of spin-Hamiltonians of dimension up to 10(5) by use of the Davidson algorithm. We show that transferability of spin-Hamiltonian parameters across complexes of the Cr(7)M family is possible and that the spin-Hamiltonian parameters of Cr(7)M do not have sharply defined values, but are rather distributed around a mean value.

U2 - 10.1002/chem.200801895

DO - 10.1002/chem.200801895

M3 - Journal article

C2 - 19199301

VL - 15

SP - 3152

EP - 3167

JO - Chemistry: A European Journal

JF - Chemistry: A European Journal

SN - 0947-6539

IS - 13

ER -

ID: 14941407