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Intermolecular interaction chain/ring structure, hydrogen

Intermolecular NMR-spectroscopic Nuclear Overhauser Enhancements of [C4mim] [BFJ-water mixtures led to the suggestion that, in addition to anion-water interactions, solvation (hydration) of the cation also occurs [96], Water replaces the cation-anion hydrogen bonds and also reduces cation-cation associations. Conformational changes in the structure of the butyl chain with respect to the plane of the imidazolium ring were suggested, which were evidenced in various studies in 2003 [114-117],... [Pg.64]

In both forms, the molecules were found to be composed of two nearly planar parts (the aromatic ring system and the allylic side chain) that are almost perpendicular to each other. The crystal packing in both forms is determined primarily by the 7t-interactions between aromatic rings, which leads to stacking forces and van der Waals forces. Only one intermolecular hydrogen bond was found in each structure, forming... [Pg.101]

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Chain interactions

Chain structures

Hydrogen chains

Hydrogen interactions

Hydrogen structures

Hydrogenation intermolecular

Hydrogenation structure

Intermolecular interaction

Intermolecular structure

Ring hydrogenation

Ring structures

Ring, chain

Structures interaction

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