Synthesis, crystal structure, and properties of a 3-oxo-trichromium(III) propionate cluster with pyrazole

Botezat Olga; Filippova Irina; Hauser J; Kramer Karl W; Decurtins Silvio; Liu Shi-Xia; Baca Svetlana

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BOTEZAT, Olga, FILIPPOVA, Irina, HAUSER, J, KRAMER, Karl W, DECURTINS, Silvio, LIU, Shi-Xia, BACA, Svetlana. Synthesis, crystal structure, and properties of a 3-oxo-trichromium(III) propionate cluster with pyrazole. In: Journal of Coordination Chemistry, 2016, nr. 1(69), pp. 72-80. ISSN 0095-8972. DOI: https://doi.org/10.1080/00958972.2015.1119272

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Journal of Coordination Chemistry

Numărul 1(69) / 2016 / ISSN 0095-8972 /ISSNe 1029-0389

Synthesis, crystal structure, and properties of a 3-oxo-trichromium(III) propionate cluster with pyrazole

DOI:https://doi.org/10.1080/00958972.2015.1119272

Pag. 72-80

Botezat Olga¹, Filippova Irina¹ , Hauser J², Kramer Karl W², Decurtins Silvio², Liu Shi-Xia², Baca Svetlana¹

¹ Institute of Applied Physics, Academy of Sciences of Moldova,
² Department of Chemistry and Biochemistry, University of Bern

Disponibil în IBN: 25 iulie 2022

Rezumat

A new 3-oxo trinuclear chromium(III) propionate cluster, [Cr3(3-O)(O2CCH2CH3)6(pyr)3]NO3·0.25(H2O) (1), has been synthesized by reaction of a 3-oxo trinuclear chromium(III) propionate precursor [Cr3(3-O)(O2CCH2CH3)6(H2O)3]NO3 with a pyrazol ligand (pyr) and characterized by IR spectroscopy, single-crystal X-ray structure determination, and thermal analysis. Magnetic susceptibility and magnetization studies revealed antiferromagnetic exchange interactions within the trinuclear Cr(III) cluster (J = -11.9 cm^-1) and determined the electronic ground state (S = 1/2) of the compound.

Cuvinte-cheie
carboxylate ligand, chromium(III), cluster compound, magnetic properties

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