Changing gears to neutral in a polymorph of one-dimensional arrays of cogwheel-like pairs of molecular rotors | Zendy

Guillaume Bastien | Zendy; Cyprien Lemouchi | Zendy; Magali Allain | Zendy; P. Wzietek | Zendy; Antonio RodríguezFortea | Zendy; Enric Cañadell | Zendy; Konstantinos Iliopoulos | Zendy; Denis Gindre | Zendy; Michael Chrysos | Zendy; Patrick Batail | Zendy

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Changing gears to neutral in a polymorph of one-dimensional arrays of cogwheel-like pairs of molecular rotors

Author(s) -

Guillaume Bastien,

Cyprien Lemouchi,

Magali Allain,

P. Wzietek,

Antonio RodríguezFortea,

Enric Cañadell,

Konstantinos Iliopoulos,

Denis Gindre,

Michael Chrysos,

Patrick Batail

Publication year - 2013

Publication title -

crystengcomm

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.813

H-Index - 132

ISSN - 1466-8033

DOI - 10.1039/c3ce42054j

Subject(s) - octane , uncorrelated , translational motion , crystallography , translation (biology) , rod , lattice (music) , physics , molecule , crystal (programming language) , chemistry , materials science , stereochemistry , classical mechanics , mathematics , thermodynamics , computer science , quantum mechanics , acoustics , medicine , biochemistry , statistics , alternative medicine , pathology , messenger rna , gene , programming language

We report on a polymorph (2) of an amphidynamic crystal of molecular rods with two helical 1,4-bis(ethynyl)bicyclo[2.2.2]octane rotators where half of the rod-like molecules appear to be shifted with respect to their closest neighbours. This translation takes cogwheel-like pairs of rotators apart in the lattice in such a way that their motion becomes uncorrelated. This property is to be contrasted with the highly correlated motion found to govern the rotators in a recently-published polymorph 1 of the same material. As with polymorph 1, this motion is shown to take place independently of mutations in the handedness of the rotators and of the ‘mutamer’-induced second harmonic generation

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