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A hexanuclear iron(III) complex [Fe6O2(OH)2(PhCOO)10(hedmp)2]·3CH3CN assembled from 2-hydroxyethyl-3,5-dimethyl pyrazole |
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| Authors: | Ramaswamy Murugavel,Nayanmoni Gogoi,Rodolphe Clé rac |
| Affiliation: | a Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India b Center for Research in Nanotechnology and Science, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India c CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe Matériaux Moléculaires Magnétiques, 115 Avenue du Dr. Albert Schweitzer, Pessac F-33600, France d Université de Bordeaux, UPR 8641, Pessac F-33600, France |
| Abstract: | In order to assemble polynuclear iron(III) complexes, the coordination chemistry of the 2-hydroxyethyl-3,5-dimethylpyrazole (hedmp-H) ligand has been investigated. Reaction of hedmp-H with trinuclear iron carboxylate precursor [Fe3O(PhCOO)6(H2O)3]Cl in acetonitrile yielded the hexanuclear Fe(III) complex [Fe6O2(OH)2(PhCOO)10(hedmp)2]·3CH3CN (1). This aggregate has been characterized by employing various analytical techniques, spectroscopic studies and single crystal X-ray diffraction. Detailed magnetic susceptibility measurements revealed that 1 displays an ST = 5 ground state. |
| Keywords: | Iron complexes X-ray structure Magnetic properties |
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