- Industry: Software
- Number of terms: 862
- Number of blossaries: 0
- Company Profile:
CambridgeSoft, based in Cambridge, Massachusetts, USA, is a cheminformatics software and consulting company. The company was founded in 1986 by Stewart Rubenstein, then a graduate student in chemistry at Harvard University, and has since remained independent. The company's historical main product ...
A unimolecular reaction is a reaction where there is a single reactant molecular entity that is involved in the microscopic chemical event constituting an elementary reaction.
Industry:Software
A bimolecular reaction is where there are two reactant molecular entities that is involved in the microscopic chemical event constituting an elementary reaction.
Industry:Software
A chemical reaction is a process that results in the interconversion of chemical species. Chemical reactions may be elementary reactions or stepwise reactions.
Industry:Software
An elementary reaction is a reaction for which no Reaction Intermediates have been detected or need to be postulated in order to describe the chemical reaction on a molecular scale. An elementary reaction is assumed to occur in a single step and to pass through a single Transition State.
Industry:Software
A microscopic chemical event is a microscopic change involving molecular entities.
Industry:Software
A reaction intermediate is a molecular entity with a lifetime appreciably longer than a molecular vibration (corresponding to a local potential energy minimum of depth greater than RT) that is formed from the reactants and reacts further to give the products of a chemical reaction.
Industry:Software
A transition state is a state of more positive molar Gibbs energy between the reactants and the products through which an assembly of atoms must pass on going from reactants to products in either direction. A Transition State is often also defined as "An higher energy and unstable configuration between reactants and products."
Industry:Software
A reaction mechanism (or equivalently, mechanism) is a detailed description of the process leading from the reactants to the products of a reaction, including a characterization as complete as possible of the composition, structure, energy and other properties of reaction intermediates, products, and transition states.
Industry:Software
A reaction sequence is a "suggested mechanism" that is based on incomplete experimental data. For many reactions, all mechanistic information is not available. It is not appropriate to use the term "mechanism" to describe a statement of the "probable" sequence in a set of stepwise reactions. That should be referred to as a "reaction sequence", and not a "mechanism."
Industry:Software
A composite reaction is a chemical reaction for which the expression for the rate of disappearance of a reactant involves rate constants of more than a single elementary reaction.
Industry:Software
