= Excited-state properties based on analytic derivatives =

Using the same input for H2O with additional TDDFT input:

{{{

$tddft
imethod
1
nexit
0 0 0 1 
itda
0
idiag
1
istore
1
iprt
3
lefteig
crit_vec
1.d-8
crit_e
1.d-14
$end

}}}

== Excited state gradient ==

Input: 

{{{

$resp
GEOM
norder
1
method
2 
nfiles
1 
$end

}}}