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Determination of Spin State in Dinuclear Iron(II) Coordination Compounds Using Applied Field Mössbauer Spectroscopy |
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| Authors: | Ksenofontov V Spiering H Reiman S Garcia Y Gaspar A B Real J A Gütlich P |
| Institution: | 1.Institut für Anorganische Chemie und Analytische Chemie, Johannes-Gutenberg Universit?t, Staudinger Weg 9, D-55099, Mainz, Germany ;2.Institute of Nuclear Physics, Moscow State University, Vorob'evi Gori, 119899, Moscow, Russia ;3.Departament de Química Inorgànica, Universitat de València, Doctor Moliner 50, 5046100, Burjassot (València), Spain ; |
| Abstract: | So far there has been no direct method to determine the spin state of molecules in dinuclear iron(II) compounds. The molecular fractions of high spin (HS) and low spin (LS) species have been deduced from magnetic susceptibility and zero field Mössbauer spectroscopy data irrespective of whether they belong to LS-LS, LS-HS and HS-HS pairs. However, the distinction of pairs becomes possible if Mössbauer measurements are carried out in an external magnetic field. The proposed method opens new possibilities in the study of spin crossover phenomena in dinuclear compounds. |
| Keywords: | M?ssbauer spectroscopy spin crossover dinuclear compounds |
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