- 0101 O^4V^2
t2new += lib.einsum('klij,klab->ijab', Woooo, tau)
- 2323 O^2V^4
t2new += lib.einsum('abcd,ijcd->ijab', Wvvvv, tau)
- 1302 O^3V^3
tmp = 2*lib.einsum('akic,kjcb->ijab', Wvoov, t2)
- 1202 O^3V^3
tmp -= lib.einsum('akci,kjcb->ijab', Wvovo, t2)
- 1303 O^3V^3
tmp = lib.einsum('akic,kjbc->ijab', Wvoov, t2)
- 1203 O^3V^3
tmp = lib.einsum('bkci,kjac->ijab', Wvovo, t2)
- 1323 O^4V^2
Wklij += lib.einsum('kcld,ijcd->klij', eris_ovov, t2)
-
Wklij += lib.einsum('kcld,ic,jd->klij', eris_ovov, t1, t1)
- 0112 O^3V^3
Wakic -= 0.5*lib.einsum('ldkc,ilda->akic', eris_ovov, t2)
- 0313 O^3V^3
Wakic -= 0.5*lib.einsum('lckd,ilad->akic', eris_ovov, t2)
-
Wakic -= lib.einsum('ldkc,id,la->akic', eris_ovov, t1, t1)
- 0312 O^3V^3
Wakci -= 0.5*lib.einsum('lckd,ilda->akci', eris_ovov, t2)
-
Wakci -= lib.einsum('lckd,id,la->akci', eris_ovov, t1, t1)