%nproc=16 
%mem = 60GB 
%chk=3F_isomer_8.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 
 
3F_isomer_8 opt 
 
+0 1
F      2.640731   -0.785073    0.000000
C      1.341251   -0.398745    0.000000
C      1.012604    0.956634    0.000000
C     -0.328519    1.355501    0.000000
F     -0.646806    2.668787    0.000000
C     -1.341081    0.398695    0.000000
C     -1.012732   -0.956755    0.000000
F     -1.993925   -1.883715    0.000000
C      0.328477   -1.355329    0.000000
H      1.796000    1.696729    0.000000
H     -2.378602    0.707143    0.000000
H      0.582602   -2.403873    0.000000