Synthesis and Dynamic Behavior of the Heptafluorotrisilacyclohexane Anion: A New Fluxional Silicate with Rapid Intramolecular Exchange of Fluoride Ligand | Zendy

Brondani Dalci | Zendy; Carré Francis H. | Zendy; Corriu Robert J. P. | Zendy; Moreau Joel J. E. | Zendy; Man Michel Wong Chi | Zendy

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Synthesis and Dynamic Behavior of the Heptafluorotrisilacyclohexane Anion: A New Fluxional Silicate with Rapid Intramolecular Exchange of Fluoride Ligand

Author(s) -

Brondani Dalci,

Carré Francis H.,

Corriu Robert J. P.,

Moreau Joel J. E.,

Man Michel Wong Chi

Publication year - 1996

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199603241

Subject(s) - fluoride , intramolecular force , ion , silicate , chemistry , ligand (biochemistry) , ion exchange , signal (programming language) , crystallography , inorganic chemistry , stereochemistry , organic chemistry , computer science , receptor , biochemistry , programming language

Chair inversions and FSi migrations can explain why in solution the trisilacyclohexane anion 1 provides only one 19 F and one 29 Si NMR signal. The ion shows fluxional behavior in the crystal as well, as is confirmed by the 29 Si CP/MAS NMR spectrum at 298 K, which contains only one signal.

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