Conglomerate‐to‐True‐Racemate Reversible Solid‐State Transition in Crystals of an Organic Disulfide‐Based Iodoplumbate | Zendy

Mercier Nicolas | Zendy; Barres AnneLise | Zendy; Giffard Michel | Zendy; Rau Ileana | Zendy; Kajzar François | Zendy; Sahraoui Bouchta | Zendy

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Conglomerate‐to‐True‐Racemate Reversible Solid‐State Transition in Crystals of an Organic Disulfide‐Based Iodoplumbate

Author(s) -

Mercier Nicolas,

Barres AnneLise,

Giffard Michel,

Rau Ileana,

Kajzar François,

Sahraoui Bouchta

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200503423

Subject(s) - disulfide bond , crystallography , phase transition , molecule , solid state , transition (genetics) , chemistry , crystal (programming language) , stereochemistry , materials science , organic chemistry , thermodynamics , physics , biochemistry , gene , computer science , programming language

Switch over : All the disulfide moieties in the cations of an iodoplumbate display the same chiral conformation in a single crystal; however, during a phase transition (75 °C) half of these molecules undergo a conformational change, from the left‐ to the right‐handed helical form, and a true racemate is formed. This transition is reversible, and thus this compound can act as a second harmonic generation switch.

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