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Estimation of Standard Gibb’s Free Energy Formation of Alkanes in Gaseous State by Electronic, Size and Structural Parameters

P. S. Verma, B. L. Gorsi, G. S. Kalwania and Lovel P. Singh

Standard
Gibb’s
free
energy
formation
(∆G f 0 )
of
alkanes
in
gaseous
state
at
298.15
K
is
estimated
by
a
quantitative
correlationships
with
Kier’s
mole cular
connectivity
index
( 1 X v ),
Vander
waal’s
volume
(Vw),
electrotopological
state
index
(E)
and
refrac totopological
state
index
(R).
The
regression
analy sis
reveals
a
significant
linear
correlationships
of
st andard
free
energy
of
formation
(∆G f
0 )
with
these
parameters.