ChEBI provides a classification of chemicals based on their structural features and a role or activity-based classification. An example of a structure-based class is 'pentacyclic compound' (compounds containing five-ring structures), while an example of a role-based class is 'analgesic', since ...
long-range sensitive excitonic couplings. Now a high-resolution structure of a model nanotubular system has revealed a uniform brick-layer molecular arrangement and a non-biological supramolecular motif—interlocking sulfonates—enabling clear understanding of supramolecular structure–excitonic property ...
The factors that control the solubility of a salt are many and varied. Now a set of salts with closely related cations suggests that weak London dispersion-controlled CH···πinteractions can dominate solubility, despite the presence of much stronger forces. ...
-Aluminum Heterocycles.Precise delivery of a chalcogen atom to a low-valent main group center has opened avenues to unique species. However, such single-atom addition reactions are encountered much less frequently with elements other than chalcogens. Liu Leo...
. To avoid the problem of multiple alkylation, methods have beendevisedfor “blocking” substitution so that only one alkyl group is introduced. TheGabriel synthesis is one such method; it utilizesphthalimide, C6H4(CO)2NH, whose one acidic hydrogenatomhas been removed upon the addition of abase...
Intermolecular forces that act upon the physical properties of materials; Reaction kinetics on the rate of a reaction; The identity of ions and the electrical conductivity of materials; Surface science and the electrochemistry of cell membranes; Probing the structure and dynamics of ions, free radical...
This is, however, not desirable, as the properties of NCs are known to vary as a function of the number of atoms constituting the clusters, the structure of the overall clusters and the ligands (number density per cluster and nature) stabilizing the clusters. For example, clusters composed ...
Introduction to the electronic structure of atoms and molecules- a well-organized series of pages which extend into chemical bonding. (Alfred Bader, McMaster U) Primer onQuantum Theory of the Atom- A set of in-frequently asked questions in the form of a quantum catechism. ...
The semi-open structure of Li-O2 batteries causes many parasitic reactions, especially related to water. Water is a double-edged sword, which destroys Li anode and simultaneously triggers a solution-based pathway of the discharge product. In this work, hexam-ethyldisilazane (HMDS) is introduced ...
Alkaloids are a class of naturally occurring organic compounds that mostly contain basic nitrogen (N) atom. Alkaloid-containing plants have been used by humans since very old times for remedial purposes. Most of the isoquinoline alkaloids are found in plant species of Berberidaceae, Ranunculales, ...