%nproc=16 
%mem = 60GB 
%chk=4F_isomer_10.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 
 
4F_isomer_10 opt 
 
+0 1
F     -2.346352   -1.486201    0.000000
C     -1.201049   -0.760754    0.000000
C     -1.258393    0.636675    0.000000
C     -0.076751    1.385964    0.000000
F     -0.135453    2.740284    0.000000
C      1.163717    0.737108    0.000000
F      2.309428    1.462811    0.000000
C      1.220749   -0.661345    0.000000
F      2.420587   -1.292862    0.000000
C      0.038360   -1.409453    0.000000
H     -2.217419    1.138451    0.000000
H      0.082576   -2.490678    0.000000