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Hydrogen bond networks

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Published by Kluwer Academic Publishers in Dordrecht, Boston .
Written in English

Subjects:

  • Hydrogen bonding -- Congresses

Book details:

Edition Notes

Statementedited by Marie-Claire Bellissent-Funel and John C. Dore.
SeriesNATO ASI series., no. 435
ContributionsBellissent-Funel, M.-C. 1943-, Dore, John C., NATO Advanced Research Workshop on Hydrogen Bond Networks (1993 : Cargèse, France)
Classifications
LC ClassificationsQD471 .B35 1994
The Physical Object
Paginationxxiii, 558 p. :
Number of Pages558
ID Numbers
Open LibraryOL1089838M
ISBN 100792328841
LC Control Number94013949

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: Hydrogen Bond Networks (Nato Science Series C:) (): Bellissent-Funel, Marie-Claire: Books. ISBN: OCLC Number: Notes: "Proceedings of the NATO Advanced Research Workshop on Hydrogen Bond Networks, Cargèse, France, August , "--Title page verso. A hydrogen bond (often informally abbreviated H-bond) is a partial intermolecular bonding interaction between a lone pair on an electron rich donor atom, particularly the second-row elements nitrogen (N), oxygen (O), or fluorine (F), and the antibonding molecular orbital of a bond between hydrogen (H) and a more electronegative atom or group. Such an interacting system . The hydrogen bonds in liquids such as alcohols and water give rise to hydrogen bonding networks that play a major role in both the structure and dynamics of hydrogen bonding liquids Hydrogen bonds between water or alcohol molecules are relatively weak interactions, and so the hydrogen bonded networks are continually evolving in time

J. Kostal, in Advances in Molecular Toxicology, Hydrogen bonding. Hydrogen bonds have considerable importance in biochemistry. Proteins and nucleic acids are composed of numerous NH and OH groups that can donate hydrogen bonds and C O and other groups that can accept them. Thus, hydrogen bonds are used to determine the shape and function of . The most simple water molecular, H2O, is a fascinating but poorly understood molecule. Its unique ability to attract an exceptionally large number of hydrogen bonds induces the formation of a dense "hydrogen bond network" that has the potential to modify the properties of the surrounding molecules and their reactivities. A subtle competition between hydrogen, halogen and carbon bonds is observed and a detailed analysis was performed on the complex network of . The aggregates of methanol and ethanol in highly concentrated solutions form an extended H-bond network that intertwines well with the H-bond network of water. n-Butanol tends to self-associate and form large aggregates, while such aggregates are segregated from water.

Hitherto unidentified hydrogen bond network structures, dynamics, and reactivity of various water clusters have been characterized at the molecular level. The main targets of this book are physical chemists and chemical physicists who are interested in .   1. A hydrogen bond force field is derived specifi- cally for this purpose. 2. The orientation of His, Asn, and Gln residues is taken into account, using an approach that consid- ers the full hydrogen bond network at once. 3. Normal as well as bifurcated hydrogen bonds are scored, using an empirical hydrogen bond force. Herein we show the details of hydrogen bond coupling in the hairpin tetrapeptides H +DPGG, H NPGG, H+EPGG, and H+QPGG. The hydrogen bond networks are only slightly perturbed by changes in the N-terminal residue, ensuring that all changes in the conformational landscape are due to hydrogen bonding, making these excellent test systems. The. hydrogen-bond networks is illustrated by Fig. 1, which shows the structures of monoclinic (zero-dimensional ordered network with localized hydrogen bonds) and trigonal (two-dimensional disordered network with dis-ordered hydrogen bonds) phases of the crystals described by the general formula Me 3 H (A O 4) 2. 2. PROTONIC CONDUCTIVITY AND PROTON.