Hammett equation

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf chemical equation
empirical relationship
gptkbp:appliesTo aromatic compounds
benzoic acid derivatives
gptkbp:category chemistry equations
gptkbp:describes effect of substituents on equilibrium constants
effect of substituents on reaction rates
gptkbp:field physical organic chemistry
gptkbp:form log(k/k0) = ρσ
https://www.w3.org/2000/01/rdf-schema#label Hammett equation
gptkbp:introducedIn 1937
gptkbp:namedAfter Louis Plack Hammett
gptkbp:parameter rho (ρ)
sigma (σ)
gptkbp:publishedIn gptkb:Journal_of_the_American_Chemical_Society
gptkbp:relatedTo Taft equation
Yukawa–Tsuno equation
linear free-energy relationships
gptkbp:rhoValue depends on reaction type
gptkbp:sigmaValue depends on substituent and position
gptkbp:usedFor quantifying electronic effects
gptkbp:bfsParent gptkb:Louis_P._Hammett
gptkbp:bfsLayer 7