IPCCSD


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Forum Vet
There is no problem to finish the calculation using the original input
...

 Iterations converged
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Excited state root  1
Excitation energy / hartree = 0.554880518711330
/ eV = 15.099073582827467
...

The accompanying QA test gives


...
Excited state root 1
Excitation energy / hartree =        0.554880518711318
/ eV = 15.099073582827138