Chemical Bonding in Polarised Push–Pull Ethylenes | Zendy

Yanai Hikaru | Zendy; Suzuki Takumi | Zendy; Kleemiss Florian | Zendy; Fukaya Haruhiko | Zendy; Dobashi Yasuo | Zendy; Malaspina Lorraine A. | Zendy; Grabowsky Simon | Zendy; Matsumoto Takashi | Zendy

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Chemical Bonding in Polarised Push–Pull Ethylenes

Author(s) -

Yanai Hikaru,

Suzuki Takumi,

Kleemiss Florian,

Fukaya Haruhiko,

Dobashi Yasuo,

Malaspina Lorraine A.,

Grabowsky Simon,

Matsumoto Takashi

Publication year - 2019

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201904176

Subject(s) - planar , diffraction , resonance (particle physics) , chemistry , crystallography , charge (physics) , materials science , computational chemistry , atomic physics , physics , optics , computer graphics (images) , quantum mechanics , computer science

1,1‐Diamino‐2,2‐bis(triflyl)ethylenes with both twisted and planar structures around the partial “C=C” bond were synthesised. Bonding properties in these compounds were analysed by an experimental approach using high‐resolution X‐ray diffraction data treated with X‐ray wavefunction refinement (XWR). In the twisted compound, a dominant contribution of the charge‐separated resonance structure was revealed. On the contrary, the nearly planar compound still showed π‐bonding character, however, with a considerable contribution of the charge‐separated resonance structure.

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