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Inducing spin crossover in amphiphilic iron(III) complexes

Martinho, Paulo N. ; Harding, Charles J. ; Müller-Bunz, Helge ; Albrecht, Martin ; Morgan, Grace G.

In: European Journal of Inorganic Chemistry, 2010, no. 5, p. 675-679

Thermal spin crossover (SCO) was induced in a high-spin FeIII complex by alkylation of the polyamino ligand backbone. The SCO profile was responsive to chain length with partial crossover observed with C₆ alkylation and full transition upon lengthening to C₁₂. No crossover was observed when the backbone was unfunctionalised, and all three complexes were obtained as unsolvated...