Preferred Label : proton affinity;
IUPAC acronym : PA;
IUPAC definition : The negative of the enthalpy change in the gas phase reaction (real or hypothetical)
between a proton (more appropriately hydron) and the chemical species concerned, usually
an electrically neutral species to give the conjugate acid of that species. Proton
affinity is often, but unofficially, abbreviated as PA.;
Origin ID : P04907;
Automatic exact mappings (from CISMeF team)
See also
The negative of the enthalpy change in the gas phase reaction (real or hypothetical)
between a proton (more appropriately hydron) and the chemical species concerned, usually
an electrically neutral species to give the conjugate acid of that species. Proton
affinity is often, but unofficially, abbreviated as PA.