How to obtain T1 and D1 diagnostics for CCSDT(Q) while using molpro interface

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2 weeks 23 hours ago - 2 weeks 23 hours ago #1579 by Aqsa
Hello,
I am a beginner to MRCC and currently using MOLPRO interface to run CCSDT(Q) from a UHF reference orbital.
Here is a snippet of example code (starting with other saved orbitals):{rhf,nitord=1,maxit=0 start,3202.2 wf,5,8,3 occ,1,1,1,0,1,0,0,0 closed,1,0,0,0,0,0,0,0 orbital,4202.2} scf(i)=energy {uhfmaxit,0start,4202.2wf,5,8,3occ,1,1,1,0,1,0,0,0closed,1,0,0,0,0,0,0,0}scf-uhf(i)=energy_CC_NORM_MAX=2.0

{mrcc,method=CCSDT(Q)orbital,ignore_error=1  !Ignore the fact that UHF WF is not converged
maxit,100core}

posthf(i)=energy

Is there an option to obtain T1 and D1 diagnostics in the output? My current output contains the number or excitations per spin case and final energies.

Really appreciate your help.
Thank you!
Last edit: 2 weeks 23 hours ago by Aqsa.

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  • kallay
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  • Mihaly Kallay
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2 weeks 13 hours ago #1580 by kallay
Unfortunately, it is not possible to calculate T1 and D1 diagnostics with CCSDT(Q).

Best regards,
Mihaly Kallay

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