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14 INTEGRATION 92<br />

Table 7: Default thresholds and alias names for direct calculations<br />

Parameter Alias Default value<br />

THREST THRAO min(∆E · 1.d − 2,1.d − 9) a,b<br />

THRINT THRSO min(∆E · 1.d − 2,1.d − 9) a,b<br />

THRPROD THRP min(∆E · 1.d − 3,1.d − 10) a,b<br />

THRMAX<br />

1.d-8 b<br />

THREST DSCF THRDSCF ≤ 1.d-10 (depending on accuracy and basis set)<br />

THRMAX DSCF THRDSCF MAX THRMAX<br />

THR DTRAF THRDTRAF<br />

THREST DTRAF THRAO DTRAF [THR DTRAF, THREST]<br />

THRINT DTRAF THRAO DTRAF [THR DTRAF, THRINT]<br />

THRPROD DTRAF THRP DTRAF [THR DTRAF, THRPROD]<br />

THR D2EXT THR2EXT THR DTRAF<br />

THREST D2EXT THRAO D2EXT [THR D2EXT, THREST DTRAF]<br />

THRINT D2EXT THRSO D2EXT [THR D2EXT, THRINT DTRAF]<br />

THRPROD D2EXT THRP D2EXT [THR D2EXT, THRPROD DTRAF]<br />

THR D3EXT THR3EXT THR DTRAF<br />

THREST D3EXT THRAO D3EXT [THR D3EXT, THREST DTRAF]<br />

THRINT D3EXT THRSO D3EXT [THR D3EXT, THRINT DTRAF]<br />

THRPROD D3EXT THRP D3EXT [THR D3EXT, THRPROD DTRAF]<br />

THR D4EXT THR4EXT THR DTRAF<br />

THREST D4EXT THRAO D4EXT [THR D4EXT, THREST DTRAF]<br />

THRINT D4EXT THRSO D4EXT [THR D4EXT, THRINT DTRAF]<br />

THRPROD D4EXT THRP D4EXT [THR D4EXT, THRPROD DTRAF]<br />

THR DCCSD THRCCSD THR DTRAF<br />

THREST DCCSD THRAO DCCSD [THR DCCSD, THREST DTRAF]<br />

THRINT DCCSD THRSO DCCSD [THR DCCSD, THRINT DTRAF]<br />

THRPROD DCCSD THRP DCCSD [THR DCCSD, THRPROD DTRAF]<br />

THRMAX DCCSD THRMAX DTRAF THRMAX<br />

THR DMP2 THRDMP2 THR DTRAF<br />

THREST DMP2 THRAO DMP2 [THR DMP2, THREST DTRAF, default c ]<br />

THRINT DMP2 THRSO DMP2 [THR DMP2, THRINT DTRAF, default c ]<br />

THRPROD DMP2 THRP DMP2 [THR DMP2, THRPROD DTRAF, default c ]<br />

THR LMP2 THRLMP2 THR DTRAF<br />

THREST LMP2 THRAO LMP2 [THR LMP2, THREST DTRAF, default c ]<br />

THRQ1 LMP2 THRQ1 [THR LMP2, THRPROD DTRAF, default c ]<br />

THRQ2 LMP2 THRQ2 [THR LMP2, THRINT DTRAF, default c ]<br />

THRAO ATTEN ] THRATTEN THREST LMP2<br />

THR DKEXT THRKEXT<br />

THREST DKEXT THRAO DKEXT [THR DKEXT, THREST]<br />

THRINT DKEXT THRSO DKEXT [THR DKEXT, THRINT]<br />

THRPROD DKEXT THRP DKEXT [THR DKEXT, THRPROD]<br />

THRMAX DKEXT<br />

THRMAX<br />

a) ∆E is the requested accuracy in the energy (default 1.d-6).<br />

b) The thresholds are reduced if the overlap matrix has small eigenvalues.<br />

c) The default thresholds for DMP2 and LMP2 are 0.1 · ∆E.

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