%nproc=32 
%mem = 60GB 
%chk=1F_isomer_2.chk 
#P MN15/6-311G(2df,2p) sp IOP(3/5=12) 
 
1F_isomer_2 opt 
 
+0 1
  C     -0.280425    -0.619208     0.000000
  C     -0.502678     0.775253     0.000000
  C      0.607473     1.641951     0.000000
  C     -1.391872    -1.483948     0.000000
  C      1.040511    -1.106725    -0.000000
  C     -1.825131     1.257784     0.000000
  C      1.875919     1.156886     0.000000
  C     -2.657226    -0.987407     0.000000
  C      2.068260    -0.228007     0.000000
  C     -2.878737     0.399478     0.000000
  F      3.316927    -0.675193     0.000000
  H      0.437112     2.708172     0.000000
  H     -1.222351    -2.550394     0.000000
  H      1.236762    -2.167425    -0.000000
  H     -1.988282     2.325499     0.000000
  H      2.736453     1.806335     0.000000
  H     -3.500135    -1.661224     0.000000
  H     -3.888464     0.779432    -0.000000