gdirect ! integral-direct mode

basis={
default,aug-cc-pwCVQZ ! orbital basis
set,oep;default,aug-cc-pVDZ/mp2fit ! OEP basis
set,dfit;default,aug-cc-pwCV5Z/mp2fit ! density fitting basis
}

symmetry,nosym ! USCEXX does not use symmetry

angstrom
geometry={
2

Be    0.0000000    0.0000000   -0.6823625
F     0.0000000    0.0000000    0.6823625

}

charge=0
spin=1

df-uhf,maxit=0,df_basis=dfit ! HF calculation with 0 iterations
{cfit,basis_coul=dfit,basis_exch=dfit}

acfd;uscexx,thr_fai_oep=1.7d-2 ! USCEXX calculation