Hydrogen bonds are so strong that they cause appreciable alignment of the molecules involved. The strength and directional character of hydrogen bonds are responsible for many of the unique properties of water[27]. View article Nanoparticle Ecotoxicology Ashok K. Singh PhD, in Engineered Nanoparticles...
Hydrogen bonds are indeed essential for protein folding and stability and protein-protein interactions. They also contribute to the unique and complex properties of water and account for the fidelity of base pairing in nucleic acids. This article breaks down what hydrogen bonds are, how they form,...
One factor that makes water unique even among other hydrogen-bonded liquids is its very small mass in relation to the large number of hydrogen bonds it can form. Owing to disruptions of these weak attractions by thermal motions, the lifetime of any single hydrogen bond is very short — on ...
MB-MD simulations indicate that the two OH bonds on the second water are relatively free to rotate (on a timescale of ~0.50 ps) due to lack of specific interactions with the framework. The decomposition of the theoretical IR spectrum in terms of individual OH-stretch contributions (pink ...
Liquid water, a system intensively studied in the search for a rationale for its unique properties and many unsolved anomalies1, has been long unanimously believed to have a dominating structure with a symmetric "ice-like" tetrahedral coordination assured by the two-donor and two-acceptor bonding ...
that take place. For example water is a ubiquitous contaminant of ILs and is capable of forming H-bonds with the IL ions; the physical properties of the resultant liquid change with the proportion of water present. Thus, the H-bonding within ILs exhibits a large range of distinctive features...
Combining with the charge-transfer and energy decomposition analyses, we investigated the penetrating molecular-orbitals in glycine-water clusters, which give evidences of the covalent-like characteristics of H-bonds in this system. Besides, the infrared spectral features provide a rare opportunity to ...
the main resonances at 4.4 and 9.0 ppm are assigned to the hydrogen bonds of adsorbed/lattice water [60,61], respectively. And the resonating peak at 1.2 ppm may be ascribed to the C-H bonds, which is originated from the impurity in acetylene black or binder. Then, a new resonance loca...
2i). After printing and during the solvent evaporation process, the existence of hydrogen bonds guarantees the uniform distribution of PS latex particles inside the shrinking polymer skeleton along with the water loss (orange dotted box in Fig. 2j) until complete evaporation, where crystalline and...
Water and its interactions with metals are closely bound up with human life, and the reactivity of metal clusters with water is of fundamental importance for the understanding of hydrogen generation. Here a prominent hydrogen evolution reaction (HER) of