Synthesis and Spin State of the Iron(II) Complex with the N,N'-Disubstituted 2,6-Bis(pyrazol-3-yl)pyridine Ligand View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2020-06-14

AUTHORS

I. A. Nikovskii, A. V. Polezhaev, D. Yu. Aleshin, E. K. Mel’nikova, Yu. V. Nelyubina

ABSTRACT

The reaction of a new tridentate ligand 2,6-bis(5-tert-butyl-1-(2,6-difluorophenyl)-1H-pyrazol-3-yl)pyridine (L) with the divalent iron salt affords the iron(II) complex [Fe(L)2](BF4)2 (I), which is isolated in the individual state and characterized by elemental analysis, NMR spectroscopy, and X-ray diffraction analysis. According to the X-ray diffraction results and data of the Evans method, which makes it possible to determine the spin state of paramagnetic compounds in a solution from the NMR spectra, the iron(II) ion in complex I exists in the high-spin state (S = 2 for Fe(II)) and undergoes no temperature-induced spin transition in a range of 120–345 K. More... »

PAGES

402-410

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s107032842006007x

DOI

http://dx.doi.org/10.1134/s107032842006007x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1128478894


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