%nproc=16 
%mem = 60GB 
%chk=3F_isomer_6.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_6 opt 
 
+0 1
F      2.429883   -1.252112    0.000000
C      1.216355   -0.646983    0.000000
C      0.050787   -1.420934    0.000000
C     -1.202262   -0.799436    0.000000
C     -1.291026    0.596245    0.000000
C     -0.126460    1.371701    0.000000
F     -0.215407    2.724612    0.000000
C      1.128225    0.750206    0.000000
F      2.257497    1.501108    0.000000
H      0.117471   -2.501129    0.000000
H     -2.103453   -1.398675    0.000000
H     -2.261610    1.075398    0.000000