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osc strenght calculations between excited states ricc2 -Turbo v6.6
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Topic: osc strenght calculations between excited states ricc2 -Turbo v6.6 (Read 5815 times)
gilles
Newbie
Posts: 2
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osc strenght calculations between excited states ricc2 -Turbo v6.6
«
on:
February 11, 2016, 11:21:06 AM »
Hi,
I used to calculate oscillator strengths between excited states in the 6.2 version using these command lines in the control file:
$excitations
irrep=a multiplicity= 1 nexc= 8
xgrad states=(a 1)
tmexc istates=(a 1) fstates=all operators=diplen
That does not work anymore in the 6.6 version. (see error message below)
It only goes through if istates=all is specified, although I only need the transitions from the S1 state.
I did not read anything special about changes for that option in the doc ?
Thanks in advance
Gilles
the output file with the error
it goes right to :
+==========================================================+
| contributions of excitation levels to excited states |
| wavefunctions as computed from the <L|R> overlap |
+----------------------------------------------------------+
| sym | multi | state | E / eV | % singles | % doubles |
+==========================================================+
| a | 1 | 1 | 3.50465 | 88.96 | 11.04 |
| a | 1 | 2 | 5.03791 | 88.72 | 11.28 |
| a | 1 | 3 | 5.93203 | 89.45 | 10.55 |
| a | 1 | 4 | 6.05502 | 91.56 | 8.44 |
| a | 1 | 5 | 6.36054 | 91.83 | 8.17 |
| a | 1 | 6 | 6.99832 | 91.64 | 8.36 |
| a | 1 | 7 | 7.03116 | 89.12 | 10.88 |
| a | 1 | 8 | 7.37409 | 91.77 | 8.23 |
+==========================================================+
No geometry optimization requested (for this method)...
... excited state gradients will not be written to $grad.
========================
internal module stack:
------------------------
ricc2
cc_exci
cc_excipp
========================
cc_exinp: logical error (2) in "tmexc"!
ricc2 ended abnormally
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Arnim
Developers
Sr. Member
Posts: 253
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Re: osc strenght calculations between excited states ricc2 -Turbo v6.6
«
Reply #1 on:
February 11, 2016, 12:36:32 PM »
Hi!
I don't really understand the logic behind it, but seems to work, if you switch istates and fstates.
Like this:
$excitations
irrep=a nexc=8
xgrad states=(a 1)
tmexc istates=all fstates=(a 1) operators=diplen
Best,
Arnim
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gilles
Newbie
Posts: 2
Karma: +0/-0
Re: osc strenght calculations between excited states ricc2 -Turbo v6.6
«
Reply #2 on:
February 11, 2016, 02:24:54 PM »
Thanks Arnim,
It works !
As you say, no logic behind, unless you look at the emission.
Gilles
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osc strenght calculations between excited states ricc2 -Turbo v6.6