Physical organic chemistry

Physical organic chemistry

Physical organic chemistry is the study of the interrelationships between structure and reactivity in organic molecules. It a part of organic chemistry by using tools of physical chemistry such as chemical equilibrium, chemical kinetics, thermochemistry, and quantum chemistry.

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Physical organic chemistry

isomer

Chemistry; Physical organic chemistry

One of several species (or molecular entities) that have the same atomic composition (molecular formula) but different line formulae or different stereochemical formulae and hence different physical ...

isomerization

Chemistry; Physical organic chemistry

A chemical reaction, the principal product of which is isomeric with the principal reactant. An intramolecular isomerization that involves the breaking or making of bonds is a special case of a ...

isosbestic point

Chemistry; Physical organic chemistry

This term is usually employed with reference to a set of absorption spectra, plotted on the same chart for a set of solutions in which the sum of the concentrations of two principal absorbing ...

isoselective relationship

Chemistry; Physical organic chemistry

A relationship analogous to the isokinetic relationship, but applied to selectivity data of reactions. At the isoselective temperature, the selectivities of the series of reactions following the ...

isotope effect

Chemistry; Physical organic chemistry

The effect on the rate or equilibrium constant of two reactions that differ only in the isotopic composition of one or more of their otherwise chemically identical components is referred to as a ...

isotopic fractionation factor

Chemistry; Physical organic chemistry

The ratio (x 1 /x 2 ) A /(x 1 /x 2 ) B , where x is the abundance, expressed as the atom fraction of the isotope distinguished by the subscript numeral, when the two isotopes are equilibrated between ...

isotopic perturbation, method of

Chemistry; Physical organic chemistry

NMR shift difference measurement of the isotope effect on a fast (degenerate) equilibrium between two, except for isotopic substitution, species which are equivalent. This can be used to distinguish ...