ON/OFF Control of the Flipping Motion of Diuranyl Bis(Salophen) Macrocycle by Extremely Strong Binding with Fluoride Ion

Diuranyl bis­(salophen) complex 1 features a relatively slow conformational motion, induced by an intramolecular OUO···UO2 binding motif, which interconverts the two nonsymmetric halves of the ligand. This flipping motion, which constitutes one of the fundamental molecular motions, can be complete...

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Published inInorganic chemistry Vol. 58; no. 21; pp. 14871 - 14875
Main Authors Cametti, Massimo, Sakata, Yoko, Martí-Rujas, Javier, Akine, Shigehisa
Format Journal Article
LanguageEnglish
Published American Chemical Society 04.11.2019
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Summary:Diuranyl bis­(salophen) complex 1 features a relatively slow conformational motion, induced by an intramolecular OUO···UO2 binding motif, which interconverts the two nonsymmetric halves of the ligand. This flipping motion, which constitutes one of the fundamental molecular motions, can be completely halted by addition of fluoride anion, which is bound to 1, reaching one of the highest affinities reported to date. This system represents a model to study flipping dynamics in light of the possibility of developing novel types of molecular machines based on it.
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ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.9b02587