iface=dirac
calc=CCSD
mem=7500MB
nsing=2
symm=A1
refdet=vector
 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
