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Basler R, Sieber A, Chaboussant G, et al. Inelastic neutron scattering study of electron reduction in Mn12 derivatives. Inorg Chem. 2005;44(3):649-53doi: 10.1021/ic048931p.
Basler, R., Sieber, A., Chaboussant, G., Güdel, H. U., Chakov, N. E., Soler, M., Christou, G., Desmedt, A., & Lechner, R. (2005). Inelastic neutron scattering study of electron reduction in Mn12 derivatives. Inorganic chemistry, 44(3), 649-53. https://doi.org/10.1021/ic048931p
Basler, Reto, et al. "Inelastic neutron scattering study of electron reduction in Mn12 derivatives." Inorganic chemistry vol. 44,3 (2005): 649-53. doi: https://doi.org/10.1021/ic048931p
Basler R, Sieber A, Chaboussant G, Güdel HU, Chakov NE, Soler M, Christou G, Desmedt A, Lechner R. Inelastic neutron scattering study of electron reduction in Mn12 derivatives. Inorg Chem. 2005 Feb 07;44(3):649-53. doi: 10.1021/ic048931p. PMID: 15679397.
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Inorg Chem. 2005 Feb 07;44(3):649-53. doi: 10.1021/ic048931p.

Inelastic neutron scattering study of electron reduction in Mn12 derivatives.

Inorganic chemistry

Reto Basler, Andreas Sieber, Grégory Chaboussant, Hans U Güdel, Nicole E Chakov, Monica Soler, George Christou, Arnaud Desmedt, Ruep Lechner

Affiliations

  1. Department of Chemistry and Biochemistry, University of Berne, Freiestrasse 3, CH-3000 Berne 9, Switzerland.

PMID: 15679397 DOI: 10.1021/ic048931p

Abstract

We report inelastic neutron scattering (INS) studies on a series of Mn(12) derivatives, [Mn(12)O(12)(O2CC6F5)16(H2O)4]z, in which the number of unpaired electrons in the cluster is varied. We investigated three oxidation levels: z = 0 for the neutral complex, z = -1 for the one-electron reduced species and z = -2 for the two-electron reduced complex. For z = 0, the ground state is S = 10 as in the prototypical Mn12-acetate. For z = -1, we have S = 19/2, and for z = - 2, an S = 10 ground state is retrieved. INS studies show that the axial zero-field splitting parameter D is strongly suppressed upon successive electron reduction: D = -0.45 cm(-1) (z = 0), D = -0.35 cm(-1) (z = -1), and D approximately -0.26 cm(-1) (z = -2). Each electron reduction step is directly correlated to the conversion of one anisotropic (Jahn-Teller distorted) Mn3+ (S = 2) to one nearly isotropic Mn2+ (S = 5/2).

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