12 
benzene molec optimized by CAM-B3LYPp2p, SG=6/mmm
  C         1.39096822     0.00000000     0.00000000
  C         0.69548411     1.20461381     0.00000000
  C        -0.69548411     1.20461381     0.00000000
  C        -1.39096822     0.00000000     0.00000000
  C        -0.69548411    -1.20461381     0.00000000
  C         0.69548411    -1.20461381     0.00000000
  H         2.47686392     0.00000000     0.00000000
  H         1.23843196     2.14502707     0.00000000
  H        -1.23843196     2.14502707     0.00000000
  H        -2.47686392     0.00000000     0.00000000
  H        -1.23843196    -2.14502707     0.00000000
  H         1.23843196    -2.14502707     0.00000000
