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25 EXCITED STATES WITH EQUATION-OF-MOTION CCSD (EOM-CCSD) 192<br />

***, Properties and transition moments for several lowest states of hydrogen fluoride<br />

memory,2,m<br />

basis=avdz<br />

! define basis set<br />

geometry={h;f,h,r}<br />

! z-matrix<br />

r=0.92 Ang<br />

! define distance<br />

hf<br />

{ccsd<br />

dm,5600.2<br />

expec,qm<br />

eom,-3.1,-2.2,-2.3,-2.4,trans=1}<br />

! do SCF calculation<br />

! do CCSD calculation<br />

! density matrices will be stored here<br />

! require quadrupole moments<br />

! do EOM-CCSD calculation + properties<br />

pop;density,5600.2,state=2.4 ! make population analysis for state 2.4<br />

http://www.molpro.net/info/current/examples/hf_eom_prop.com<br />

This calculation produces the following table:<br />

------------------------------------------------------------------------------<br />

Final Results for EOM-CCSD<br />

(moments in a.u.)<br />

------------------------------------------------------------------------------<br />

State Exc. Energy (eV) X Y Z<br />

2.1 14.436<br />

Right transition moment 0.00000000 0.00000000 0.65349466<br />

Left transition moment 0.00000000 0.00000000 0.68871635<br />

Dipole strength 0.45007246<br />

Oscillator strength 0.15917669<br />

Dipole moment 0.00000000 0.00000000 0.88758090<br />

etc.<br />

25.4.3 Calculate an EOM-CCSD state most similar to a given CIS state<br />

This example shows how to force the convergence of the EOM-CCSD program to a state, which<br />

resembles at most a given CIS state.

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