%nproc=16 
%mem = 60GB 
%chk=2F_isomer_5.chk 
#P opt EmpiricalDispersion=GD3BJ integral(grid=ultrafinegrid) GFInput pop=full IOP(3/74=-78) IOP(6/7=3) IOP(3/5=10) IOP(3/175=01217700) IOP(3/177=414500) IOP(3/178=4859300) SCF=YQC 
 
2F_isomer_5 opt 
 
+0 1
F      2.699788   -0.550001    0.000000
C      1.371287   -0.279358    0.000000
C      0.926272    1.041886    0.000000
C     -0.444587    1.321157    0.000000
C     -1.371287    0.279359    0.000000
F     -2.699788    0.550001    0.000000
C     -0.926272   -1.041885    0.000000
C      0.444587   -1.321157    0.000000
H      1.641815    1.848900    0.000000
H     -0.787184    2.343735    0.000000
H     -1.641815   -1.848899    0.000000
H      0.787183   -2.343736    0.000000