Iron(II) spin transition complexes with dendritic ligands, Part I

Sonar, P., Grunert, C. M., Wei, Y. L., Kusz, J., Gütlich, P., & Schlüter, A. D. (2008) Iron(II) spin transition complexes with dendritic ligands, Part I. European Journal of Inorganic Chemistry, 2008(10), pp. 1613-1622.

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Abstract

The ligands G1- and G2-oligo (benzyl ether) (PBE) dendrons and their iron(II) complexes [Fe(Gn-PBE)3]A2·xH2O (with n = 1, 2 and A = triflate, tosylate) were prepared. The magnetic properties of the complexes were investigated by a SQUID magnetometer. All complexes exhibit gradual spin transition below room temperature. At very low temperatures the magnetic behaviour reflects zero-field splitting (ZFS) effects. 57Fe-Mössbauer spectroscopy was performed to distinguish between ZFS of high spin species and spin state conversion into the low spin state. Further characterisation was carried out by thermogravimetric analysis (TGA) and FT-IR spectroscopy. Structural features have been determined by powder XRD measurements.

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ID Code: 75238
Item Type: Journal Article
Refereed: Yes
Keywords: Dendron complexes, DSC measurements, FeII spin crossover, Magnetic susceptibility, Mössbauer spectroscopy, XRD
DOI: 10.1002/ejic.200700822
ISSN: 1434-1948
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2008 Wiley-VCH Verlag GmbH & Co. KGaA
Deposited On: 27 Oct 2014 23:40
Last Modified: 30 Oct 2014 00:25

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