%nproc=32 
%mem = 60GB 
%chk=1F_isomer_3.chk 
#P MN15/6-311G(2df,2p) sp IOP(3/5=12) 
 
1F_isomer_3 opt 
 
+0 1
  C     -0.034922    -0.439020    -0.000000
  C     -0.358544     0.935090     0.000000
  C      0.676315     1.890353    -0.000000
  C     -1.060433    -1.401691    -0.000000
  C     -1.718453     1.300023     0.000000
  C      1.326686    -0.783903     0.000000
  C      1.977198     1.499095     0.000000
  C     -2.362233    -1.010773     0.000000
  C     -2.694218     0.353889     0.000000
  C      2.317517     0.136905     0.000000
  F      1.634018    -2.074227     0.000000
  H      0.419046     2.938604     0.000000
  H     -0.796874    -2.446870    -0.000000
  H     -1.973321     2.349418    -0.000000
  H      2.764895     2.236132    -0.000000
  H     -3.146892    -1.751272     0.000000
  H     -3.731888     0.649941     0.000000
  H      3.345388    -0.187707    -0.000000