Alphabetical Index

Additional Indexes

Physical Constants Units of Measure Physical Quantities SI Prefixes Ring Index General Formulae Exact Formulae Source Documents Terms by IUPAC Div.

Version 3.0.1 (7633 Terms)

DOI: 10.1351/goldbook

Jan Kaiser - Content Editor
Stuart Chalk - Technical Editor
Joint Subcommittee
on the IUPAC Gold Book

Terms (204) sourced from: 10.1351/pac199668010149

"A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)", Laidler, K.J., Pure and Applied Chemistry 1996, 68(1), 149

Arrhenius A factor \(A\)Arrhenius equation activated complex activation activation energy adiabatic adiabatic transition-state theory adiabatic treatments of reaction rates angular distribution atom–molecule complex mechanism attractive potential-energy surface attractive–mixed–repulsive classification

Brønsted relation beam-gas experiments bond-energy-bond-order method branching ratio

cage effect canonical rate constant canonical variational transition-state theory catalyst catalytic coefficient centrifugal barrier chain branching chain carrier chain initiation chain length \(\delta\)chain reaction chain-propagating reaction chain-termination reaction channel chaperon chemical activation chemical induction (coupling) chemiluminescence col collinear reaction collision cross-section \(\sigma\)collision density \(Z_{\text{AA}}\)collision efficiency \(B_{\text{c}}\)collision frequency \(z_{\text{A}}(\text{A})\)collision number collision theory competition complex mechanism complex reaction complex-mode reaction composite mechanism conventional transition-state theory conventional true value coupling critical energy crossed molecular beams

de-energization efficiency degenerate chain branching degree of activation degree of inhibition density of states D01593-0,D01593-1 detailed balancing (principle of) diabatic coupling diffusion control direct reaction dividing surface

early-downhill surface elastic collision elastic scattering elementary reaction encounter encounter control endergonic reaction endothermic reaction energized species energy of activation enthalpy of activation \(\Delta ^{\ddagger}H^{\,\unicode{x26ac}}\)entrance channel entropy of activation \(\Delta ^{\ddagger}S^{\,\unicode{x26ac}}\)equilibrium reaction exergonic reaction exit channel exothermic reaction extent of reaction \(\xi\)

feedback

Gibbs energy diagram Gibbs energy of activation \(\Delta ^{\ddagger}G^{\,\unicode{x26ac}}\)Gibbs energy profile geminate recombination general acid–base catalysis generalized transition-state theory gradual (sudden) potential-energy surface

half life \(t_{1/2}\)heat capacity of activation \(\Delta ^{\ddagger}C_{p}^{\,\unicode{x26ac}}\)

impact parameter \(b\)improved canonical variational transition-state theory indirect reaction induction period inelastic scattering information theory inhibition initial (final) state correlations initiation initiator intermediate intrinsic activation energy \(E_{\text{a,i}}\)isotope effect

kinematics kinetic activity factor kinetic theory of collisions

Langmuir–Hinshelwood mechanism Langmuir–Rideal (Rideal–Eley) mechanism London–Eyring–Polanyi (LEP) method London–Eyring–Polanyi–Sato (LEPS) method light-atom anomaly line-of-centres model

Marcus–Coltrin path Michaelis–Menten kinetics Michaelis–Menten mechanism macroscopic kinetics microcanonical rate constant microcanonical variational transition-state theory microscopic diffusion control microscopic kinetics microscopic reversibility at equilibrium minimum density of states criterion mixed energy release mixing control modified Arrhenius equation molecular beams molecular dynamics molecular kinetics molecularity

Newton diagram non-equilibrium reaction nonadiabatic coupling

order of reaction \(n\)oscillating reaction overall activation energy

partial microscopic diffusion control phase-space theory photochemical equivalence positive feedback potential-energy (reaction) surface potential-energy profile pre-equilibrium (prior equilibrium) pre-exponential factor \(A\)prior distribution \(P_{0}\)product product state distribution pseudo rate constant

quantum-mechanical tunnelling quasi-classical trajectory (QCT) method quasi-equilibrium

Rice–Ramsperger–Kassel (RRK) theory Rice–Ramsperger–Kassel–Marcus (RRKM) theory rate of consumption R05146-0,R05146-1 rate of conversion \(\dot{\xi}\)rate of disappearance rate of formation R05152-0,R05152-1 rate of reaction \(\nu\)rate-controlling step rate-determining step reactant reaction barrier reaction coordinate reaction cross-section \(\sigma_{\text{r}}\)reaction dynamics reaction intermediate reaction path degeneracy reaction probability \(P_{\text{r}}\)reactive complex reactive scattering reagent rebound reaction relaxation relaxation kinetics relaxation time repulsive potential-energy surface retarder

selectivity separability assumption specific acid–base catalysis spectator-stripping reaction state-to-state kinetics steady state stepwise reaction steric factor stoichiometric number \(\nu\)stoichiometry stripping reaction strong collision sum of states \(P(\varepsilon)\)surprisal \(s\)surprisal analysis symmetry number \(s\)

temperature jump third body threshold energy \(E_{0}\)trajectory transient phase (induction period) transition species transition state theory transmission coefficient

variational transition state theory vibrationally adiabatic transition-state theory volume of activation \(\Delta ^{\ddagger}V\)

weak collision