%nproc=32 
%mem = 60GB 
%chk=2F_isomer_8.chk 
#P MN15/6-311G(2df,2p) sp IOP(3/5=12) 
 
2F_isomer_8 opt 
 
+0 1
  C      0.000000     0.456850     0.000000
  C      0.000000    -0.955975     0.000000
  C     -1.230351    -1.639672    -0.000000
  C      1.228735     1.143099     0.000000
  C     -1.228735     1.143099     0.000000
  C      1.230351    -1.639672     0.000000
  C     -2.408531    -0.964448     0.000000
  C      2.380425     0.433103     0.000000
  C      2.408531    -0.964448    -0.000000
  C     -2.380425     0.433103     0.000000
  F      3.541913     1.070512    -0.000000
  F     -3.541913     1.070512    -0.000000
  H      1.259801     2.221085     0.000000
  H     -1.226658    -2.719359    -0.000000
  H     -1.259801     2.221085    -0.000000
  H      1.226658    -2.719359     0.000000
  H     -3.359724    -1.471451    -0.000000
  H      3.359724    -1.471451    -0.000000