New Developments in Hydrogen Bonding
A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Cross-Field Chemistry".
Deadline for manuscript submissions: closed (15 November 2022) | Viewed by 265
Special Issue Editor
Interests: computational chemistry; chemical reaction dynamics; chemical kinetics; reaction rate theory; tunneling effect in chemistry; atmospheric chemistry; combustion chemistry; hydrogen and proton transfer reactions
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Hydrogen atoms are present in almost every molecule that we can think of. At the dawn of chemistry, they were simply seen as terminal atoms that formed single bonds with heavier atoms of the molecule. However, about a hundred years ago, scientists realized that these light and tiny particles have the ability to interact with additional atoms within the same molecular structure (intramolecular interaction) or with atoms that belong to another molecule (intermolecular interaction). This new type of interaction was termed “hydrogen bonding”.
Initially, the hydrogen bond (HB) was considered an electrostatic interaction (i.e., dipole–dipole) between the hydrogen atom and two electronegative atoms. Thus, the strength of the HB was directly associated with electronegativity, in such a way that the strongest hydrogen bonds are formed with the most electronegative atoms.
However, by the 1950s, Coulson pointed out that additional aspects to the electrostatic interactions, such as delocalization effects, repulsion forces, and dispersion forces, need to be considered for a proper understanding of the HB. Even today, the description of the HB is an open question, and thanks to the development of computational chemistry, some of the previous ideas have been refined and expanded.
This Special Issue aims to accommodate the new findings and trends in the chemistry of hydrogen bonding, and contributions can be presented in the form of full research articles, short communications, or reviews.
Dr. Antonio Fernández-Ramos
Guest Editor
Manuscript Submission Information
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Keywords
- hydrogen bonding
- delocalization effects
- electrostatic interactions
- multiple hydrogen bonding
- cooperativity
- dispersion forces
- repulsion forces
- pi-conjugation effects
