In organic chemistry, the Hammett equation describes a linear free-energy relationship relating reaction rates and equilibrium constants for many reactions...

the Hammett equation. While the Hammett equation accounts for how field, inductive, and resonance effects influence reaction rates, the Taft equation also...

as the Henderson–Hasselbalch equation are no longer valid due to the variations of the activity coefficients. The Hammett acidity function is used in fields...

Yukawa–Tsuno equation, first developed in 1959, is a linear free-energy relationship in physical organic chemistry. It is a modified version of the Hammett equation...

respect to Y, the measure of ionizing power of the solvent. The Hammett equation (Equation 1) provides the relationship between the substituent on the benzene...

Louis Plack Hammett (April 7, 1894 – February 9, 1987) was an American physical chemist. He is known for the Hammett equation, which relates reaction...

This alkoxy group has the formula R−O−CH3. On a benzene ring, the Hammett equation classifies a methoxy substituent at the para position as an electron-donating...

effects on a reaction equilibrium or rate using the Hammett equation (1): Hammett developed this equation from equilibrium constants from the dissociation...

chemical bond. In organic chemistry, σ symbolizes the sigma constant of Hammett equation. In alchemy, Σ was sometimes used to represent sugar. In computer science...

constants and equilibrium constant is known as the Winstein-Holness equation. The Curtin–Hammett principle applies to systems in which different products are...

(ρ) Resistivity (ρ) Rho meson (ρ+, ρ−, ρ0) General quantum states Hammett Equation, ρ is used to represent the reaction constant, this is independent...

Dashiell Hammett Hammett Prize Hammett, Georgia, a community in the United States Hammett acidity function Hammett equation, based on the Hammett substituent...

include inductive effects, mesomeric effects, and hydrogen bonding. Hammett type equations have frequently been applied to the estimation of pKa. The quantitative...

relationships (QSAR) or linear free energy relationships (LFER) such as the Hammett equation. A variant of the UNIFAC system can also be used to estimate octanol-water...

articles published between 1962 and 2009 in addition to other materials. Hammett equation Craig plot David Weininger Coats, Eugene; Seydel, Joachim; Leo, Albert...

[citation needed] Mehta's 1952 dissertation was titled I. Use of the Hammett equation in the prediction of product ratios in the Schmidt reaction of unsymmetrical...

electronic substituent constant for activation of substituted arenes in the Hammett equation σ, a measure of a material's electrical conductivity ability Cross...

carboxylic group. For benzoic acids, the effect is quantified by the Hammett equation: log ⁡ K K 0 = σ ρ {\displaystyle \log {\frac {K}{K_{0}}}=\sigma \rho...

effect. Inductive effects can be expressed quantitatively through the Hammett equation, which describes the relationship between reaction rates and equilibrium...

over vitrimer-like mechanics – tuneable dynamic motifs based on the Hammett equation in polyimine materials". Chemical Science. 12 (1): 293–302. doi:10...

plotting the sigma constants of the Hammett equation versus hydrophobicity plotting the steric terms of the Taft equation against hydrophobicity Quantitative...

relationships that have been used to quantify these effects, of which the Hammett equation is the best known. Kabachnik Parameters are group electronegativities...

over vitrimer-like mechanics – tuneable dynamic motifs based on the Hammett equation in polyimine materials". Chemical Science. 12 (1): 293–302. doi:10...

catalysis equation Hammett equation Taft equation Swain–Lupton equation Grunwald–Winstein equation Yukawa–Tsuno equation Edwards equation Marcus equation Bell–Evans–Polanyi...

as 1 for methyl bromide). This equation was modeled after the Hammett equation. However, both the Swain–Scott equation and the Brønsted relationship make...

over vitrimer-like mechanics – tuneable dynamic motifs based on the Hammett equation in polyimine materials". Chemical Science. 12 (1): 293–302. doi:10...

It can be found in the pollen of Pinus densiflora. The Hammett equation describes a linear free-energy relationship relating reaction rates...

higher alkanes. A still very interesting application is the Hammett equation, Taft equation and pKa prediction methods. The biological activity of molecules...

substituent constants are similar in principle to σ values from the Hammett equation, as an increasing value corresponds to a greater electron-withdrawing...

over vitrimer-like mechanics – tuneable dynamic motifs based on the Hammett equation in polyimine materials". Chemical Science. 12 (1): 293–302. doi:10...