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A New Family of Spin-Crossover Complexes Based on a FeII(Tetrazolyl)4(MeCN)2-Type Core

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journal contribution
posted on 02.06.2008, 00:00 by Agata Białońska, Robert Bronisz, Marek Weselski
A bitopic ligand 2-hydroxy-1-(tetrazol-1-yl)-3-(tetrazol-2-yl)propane (12pbtzOH) was synthesized and reacted with Fe(ClO4)2·6H2O, giving a 1D coordination polymer {[Fe(12pbtzOH)2(CH3CN)2](ClO4)2·2CH3CN} that exhibits a high-spin to low-spin transition (T1/2 = T1/2 ≅ 104 K). This is an unprecedented example of an iron(II) complex containing Fe(tetrazolyl)4(MeCN)2 cores.

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