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Hypertext Dalton 2.0 manual - Theoretical Chemistry, KTH

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CHAPTER 25.<br />

HF, SOPPA, AND MCSCF MOLECULAR PROPERTIES, ABACUS263<br />

.NODV Do not calculate contributions from the active one-electron density matrix. This will<br />

give wrong results for the total molecular gradient and Hessian. Mainly for debugging<br />

purposes.<br />

.NOPV Do not calculate contributions from the two-electron density matrix. This will give<br />

wrong results for the total molecular gradient and Hessian. Mainly for debugging<br />

purposes.<br />

.PRINT<br />

READ (LUCMD,*) IPRALL<br />

Set print levels. Read one more line containing the print level for this part of the<br />

calculation. This will be the default print level in the two-electron density matrix<br />

transformation, the symmetry-orbital two-electron density matrix sorting, as well as<br />

the print level in the integral derivative evaluation. To set the print level in each of<br />

these parts individually, see the keywords .INTPRI, .PTRPRI, .SORPRI.<br />

.PTRNOD The transformation of the two-electron density matrix is back-transformed to the<br />

atomic orbital basis using a noddy-routine for comparison.<br />

.PTRPRI<br />

READ (LUCMD,*) IPRPRT<br />

Set print level for the two-electron density matrix transformation. Read one more line<br />

containing print level. Default value is the value of IPRDEF from the general input<br />

module. Note also that this print level is controled by the keyword .PRINT .<br />

.PTRSKI Skip transformation of active two-electron density matrix. This will give wrong<br />

results for the total molecular Hessian. Mainly for debugging purposes.<br />

.RETURN Stop after the shell quadruplet specified under .INTPRI above. Mainly for debugging<br />

purposes.<br />

.SORPRI<br />

READ (LUCMD,*) IPRSOR<br />

Set print level for the two-electron density matrix sorting. Read one more line containing<br />

print level. Default value is the value of IPRDEF from the general input module.<br />

Note also that this print level is controled by the keyword .PRINT .<br />

.SORSKI Skip sorting of symmetry-orbital two-electron density matrix. This will give wrong<br />

results for the total molecular Hessian. Mainly for debugging purposes.<br />

.SECOND Compute both first and second derivative integrals. This is default when calculating<br />

molecular Hessians.

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