Z
-value
An index of the
ionizing power
of a solvent based on the frequency of the longest
wavelength
electronic absorption maximum of 1-ethyl-4-methoxycarbonylpyridinium iodide in the solvent. The
Z
-value is defined by:
where
is in
and
is in
.
See also:
Dimroth–Reichardt
parameter
,
Grunwald–Winstein equation
Source:
PAC, 1994,
66
, 1077
(Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994))
on page 1176
is in
and
is in
.
