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29 LOCAL CORRELATION TREATMENTS 208<br />

Parameter Alias Default value Meaning<br />

Parameter for multipole treatment of exchange operators:<br />

DSTMLT 3 multipole expansion level for distant pairs<br />

Parameters for energy partitioning:<br />

IEPART 0 If nonzero: do energy partitioning.<br />

EPART 3.0 cutoff parameter for determining individual monomers.<br />

Parameters for redundancy check using DELBAS=1 (not recommended)<br />

TYPECHECK TYPECHK 1 activates basis function type restrictions.<br />

DELSHL IDLSHL 1 determines if whole shells are to be deleted.<br />

DELEIG IDLEIG 1 determines how to select redundant functions.<br />

DELCMIN CDELMIN 0.1 parameter for use with DELEIG=1<br />

Parameters for choosing operator domains in LCCSD<br />

OPDOM IOPDOM 5 determines how operator domains are determined for LCCSD<br />

RMAXJ 8 distance criterion for J-operator list.<br />

RMAXK 8 distance criterion for K-operator list.<br />

RMAXL 15 distance criterion for L-operator list.<br />

RMAX3X 5 distance criterion for 3-ext integral list.<br />

RDOMJ 0 distance criterion for K-operator domains.<br />

RDOMK 8 distance criterion for J-operator domains.<br />

IMAXJ 5 connectivity criterion for J-operator list.<br />

IMAXK 5 connectivity criterion for K-operator list.<br />

IMAXL 8 connectivity criterion for L-operator list.<br />

IMAX3X 3 connectivity criterion for 3-ext integral list.<br />

IDOMJ 0 connectivity criterion for K-operator domains.<br />

IDOMK 5 connectivity criterion for J-operator domains.<br />

Miscellaneous options:<br />

SKIPDIST SKIPD 3 determines at which stage weak and distant pairs are eliminated<br />

ASYDOM JITERM 0 parameter for use of asymmetric domains<br />

LOCSING LOCSNG 0 determines virtual space used for singles<br />

PIPEKAO LOCAO 0 activates AO localization criterion<br />

NONORM 2 determines whether projected functions are normalized<br />

LMP2ALGO MP2ALGO 3 if nonzero, use low-order scaling method in LMP22 iterations<br />

OLDDEF 0 allows to revert to older defaults<br />

T1DISK 10 maximum disk space (in GByte) for T1 caching algorithm<br />

Thresholds:<br />

THRBP 0.98 Threshold Boughton-Pulay method.<br />

THRPIP 1.d-12 Threshold for Pipek-Mezey localization.<br />

THRORB 1.d-6 Threshold for eliminating projected orbitals with small norm.<br />

THRLOC 1.d-6 Threshold for eliminating redundant projected orbitals.<br />

THRCOR 1.d-1 Threshold for eliminating projected core orbitals.<br />

THRMP2 1.d-8 Threshold for neglecting small fock matrix elements in the<br />

LMP2 iteration.

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