Gd13Fe10C13: Indications of Fe–Fe Multiple Bonding Emerging from Chemical Frustration
Journal of the American Chemical Society2012Vol. 134(25), pp. 10361–10364
Citations Over TimeTop 13% of 2012 papers
Abstract
We report the synthesis and crystal structure of the carbide Gd(13)Fe(10)C(13). This compound adopts a new structure type that is remarkable for its "H"-shaped C(2)FeFeC(2) units, which have some of the shortest Fe-Fe contacts known. A bonding analysis using DFT-calibrated Hückel calculations hints that Fe-Fe multiple bonding underlies these short distances. Gd(13)Fe(10)C(13) undergoes ferromagnetic ordering at ∼55 K.
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