12 
trioxane molec optimized by B3LYPp2p, SG=3m
  O         1.34866757    -0.00000000     0.49885975
  C         0.66582479     1.15324236     0.05702575
  O        -0.67433378     1.16798037     0.49885975
  C        -1.33164958     0.00000000     0.05702575
  O        -0.67433378    -1.16798037     0.49885975
  C         0.66582479    -1.15324236     0.05702575
  H         1.16545538     2.01862793     0.49234175
  H        -2.33091075     0.00000000     0.49234175
  H         1.16545538    -2.01862793     0.49234175
  H         0.69359676     1.20134483    -1.04822725
  H        -1.38719353     0.00000000    -1.04822725
  H         0.69359676    -1.20134483    -1.04822725
