By Vladimir I. Bakhmutov
ISBN-10: 047018096X
ISBN-13: 9780470180969
ISBN-10: 0470226749
ISBN-13: 9780470226742
This definitive reference consolidates present wisdom on dihydrogen bonding, emphasizing its position in organizing interactions in several chemical reactions and molecular aggregations. After an summary, it analyzes the variations among dihydrogen bonds, classical hydrogen bonds, and covalent bonds. It describes dihydrogen bonds as intermediates in intramolecular and intermolecular proton move reactions. It describes dihydrogen bonding within the solid-state, the fuel part, and in answer. this can be the leading reference for actual chemists, biochemists, biophysicists, and chemical engineers.
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Extra info for Dihydrogen Bonds: Principles, Experiments, and Applications
Sample text
16 HYDROGEN-BONDED SYSTEMS: DEFINITIONS AND GENERAL VIEW a quite narrow ν(OH) band. In contrast, the red-shifted band corresponding to weak hydrogen bonding in water is strongly broadened . 1(c). Since similar effects observed in IR spectra are also typical of dihydrogen-bonded systems, it should be noted that the nature of the broadening is connected by anharmonic coupling between the high-frequency stretching motion and low-frequency hydrogen bond modes. 2). In addition, this figure explains why the hydrogen bond length depends on the temperature.
Since both motions take place between the same potential minima, the geometry of these motions is identical. 5 Relative energetics of the Grotthuss and proton-hole-transfer mechanisms as a function of the pK a values. (Reproduced with permission from ref. ) which is a hydrogen-bond-stabilized ion pair that exists as an intermediate. In this equilibrium, proton transfer is completed when intermediate C is transformed into solvate-separated ions D. Here the proton transfer along the hydrogen bond occurs faster when the hydrogen bond is stronger (shorter).
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Dihydrogen Bonds: Principles, Experiments, and Applications by Vladimir I. Bakhmutov
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