chemical bondselectronic structurebond lengthsdeuteronsdielectric materialsdielectric propertiesThe authors have estimated the change in the proton potential V(r, R) and the hydrogen bond energy epsilon (R) due to polarization of the medium in which the two molecules RA-H and BR (connected by the ...
Hydrogen Bondingis the development of hydrogen bonds, which are a type of attractive intermolecular force caused by the dipole-dipole interaction between a hydrogen atom bonded to a strongly electronegative atom and another highly electronegative atom nearby. You may be surprised to learn that hydrogen...
Evidence is presented that the dimers of alcohols and phenols have an open chain rather than a cyclic structure. It is also shown that the free OH groups of these dimers are able to form stronger hydrogen bonds than the original monomers... LJ Bellamy,RJ Pace - 《Spectrochimica Acta》 被...
concentration of EtOH-water mixtures can be classified into three regions by the statistic analysis of the hydrogen-bonding network in the MD simulations. ... R Zhang,SL Luo,WU Wen-Juan - 《Chinese Journal of Chemistry》 被引量: 6发表: 2008年 Geometries of hydrogen bonds in water–ethanol ...
hydrogengasis a loose aggregation of hydrogen molecules, each consisting of a pair of atoms, adiatomic molecule, H2. The earliest known important chemical property of hydrogen is that it burns withoxygento formwater, H2O; indeed, the name hydrogen is derived from Greek words meaning “maker of...
hydrogen atom of one water molecule and the partially negatively-charged oxygen atom of another (Figure 2). This is what forms thehydrogen bond. Hydrogen bonds make the water "sticky" to other water molecules and other substances' molecules. They are slightly weaker than covalent bonds but ...
The mechanical properties of the hydrogel may be enhanced by cross-linking the polymer chains with hydrogen bonds and microcrystals. The mechanical properties of the hydrogel were not only increased with the increase of freeze-thaw times but also improved by the addition of crosslinking agent CB[7...
2020). In some sorbent-sorbate pairs, hydrogen bonds due to surface oxidation of aged microplastic can substantially increase the sorption capacity (Hüffer et al. 2018). The influence of matrix properties on sorption pH pH is a crucial parameter in aqueous environments because it influences ...
Thus, the open isomer is both thermodynamically and kinetically stable. This result rationalizes some experimental observations that indicated the existence of non-Lewis singlet species. 展开 关键词: bacteriorhodopsin hydrogen bonds molecular dynamics protonation vibrational spectroscopy DOI: 10.1021/jp711705...
Hydrogen bonds are weak bonds that form between hydrogen atoms and oxygen, nitrogen or fluorine atoms of other molecules. Hydrogen bonds form between water molecules due to the polarity of the molecules. A molecule of water is made of one oxygen atom bonded with two hydrogen atom...