Biferrocenium salts with magnetite-like mixed-valence iron: coexistence of Fe3+ and Fe2.5+ in the crystal?
Chemical Communications Pub Date: 2014-01-13 DOI: 10.1039/C3CC49568J
Abstract
The biferrocene-based salt [Bifc]2[Ni(mnt)2]3 (Bifc = bis(isopropylthio)biferrocene; mnt = maleonitriledithiolate) contains a biferrocenium monocation and dication within the same crystal. The coexistence of Fe3+ and mixed-valence Fe2.5+, which resembles the valence state of magnetite, was confirmed by M?ssbauer spectroscopy.
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Journal Name：Chemical Communications
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CAS no.: 89640-58-4
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