12 
benzene molec optimized by CAM-B3LYPa3p, SG=6/mmm
  C         1.38540985     0.00000000     0.00000000
  C         0.69270493     1.19980013     0.00000000
  C        -0.69270493     1.19980013     0.00000000
  C        -1.38540985     0.00000000     0.00000000
  C        -0.69270493    -1.19980013     0.00000000
  C         0.69270493    -1.19980013     0.00000000
  H         2.46763416     0.00000000     0.00000000
  H         1.23381708     2.13703387     0.00000000
  H        -1.23381708     2.13703387     0.00000000
  H        -2.46763416     0.00000000     0.00000000
  H        -1.23381708    -2.13703387     0.00000000
  H         1.23381708    -2.13703387     0.00000000
