Scrutinizing low-spin Cr(II) complexes

Scarborough, C. C., Sproules, S. , Doonan, C. J., Hagen, K. S., Weyhermüller, T. and Weighardt, K. (2012) Scrutinizing low-spin Cr(II) complexes. Inorganic Chemistry, 51(12), pp. 6969-6982. (doi: 10.1021/ic300882r)

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Low-spin (S = 1) Cr(II) compounds are rare. Representative examples have been analyzed using a combination of XAS, crystallography, and DFT. These results reveal that approximately half of reported low-spin Cr(II) species are, in fact, Cr(III) species in which the ligand set has been reduced by one electron. In such cases, strong antiferromagnetic coupling of the Cr(III) center (SCr = 3/2) with the ligand-centered radical (SL = 1/2) provides the observed triplet ground state. True low-spin Cr(II) compounds are rarer than previously believed.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Sproules, Dr Stephen
Authors: Scarborough, C. C., Sproules, S., Doonan, C. J., Hagen, K. S., Weyhermüller, T., and Weighardt, K.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Inorganic Chemistry
Publisher:American Chemical Society
ISSN (Online):1520-510X

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