%nproc=16 
%mem = 60GB 
%chk=0F_isomer_1.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 
 
0F_isomer_1 opt 
 
+0 1
C      0.809085   -1.141210    0.000000
C      1.392987    0.129949    0.000000
C      0.583902    1.271159    0.000000
C     -0.809085    1.141210    0.000000
C     -1.392987   -0.129949    0.000000
C     -0.583902   -1.271159    0.000000
H      1.435015   -2.024082    0.000000
H      2.470641    0.230481    0.000000
H      1.035626    2.254563    0.000000
H     -1.435015    2.024082    0.000000
H     -2.470641   -0.230481    0.000000
H     -1.035626   -2.254563    0.000000