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Gauche Effect definition

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1. The stabilisation of the gauche (synclinal) conformation in a two carbon unit bonded vicinally to electronegative elements e.g. 1,2-difluoroethane.

2. The destabilisation of the gauche (synclinal) conformation in a two carbon unit bonded vicinally to large, soft and polarisable elements such as sulfur and bromine.


See also:

gateway definition
g-factor definition
gallium arsenide (GaAs) definition
Gas chromatography detectors definition
free-end closure definition