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Title

Spin-transition in nearly cubic site in [FeII(L)3][PF6]2

Authors
Mishra, Vibha
Mukherjee, Rabindranath
Linares, Jorge
Codjovi, Epiphane
Varret, François
Published in Hyperfine Interactions. 2009, vol. 188, no. 1-3, p. 71-78
Abstract The spin-transition (1A1 ↔ 5T2) behaviour of a new mononuclear iron(II) compound [FeII(L)3][PF6]2[L = 2-[3-(2´-pyridyl)pyrazole-1-ylmethyl]pyridine] has been investigated by 57Fe Mössbauer spectroscopy. Analysis of the Mössbauer spectra revealed low value of the quadrupole splitting of the high-spin state which reflects iron(II) to be in nearly cubic lattice site. Mössbauer spectra under light show the light-induced excited spin state trapping effect and the observed quadrupole splitting of the metastable high-spin state is found little sensitive to the high-spin fraction value. DFT calculations are in progress to document the almost cubic nature of the ligand-field acting on the iron atom.
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Research group Groupe Hauser
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MISHRA, Vibha et al. Spin-transition in nearly cubic site in [FeII(L)3][PF6]2. In: Hyperfine Interactions, 2009, vol. 188, n° 1-3, p. 71-78. https://archive-ouverte.unige.ch/unige:3560

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Deposited on : 2009-10-02

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