16 
C4C4H8 molec optimized by CAM-B3LYPp2p, SG=4/mmm
  C         1.05652800     0.00000000     0.00000000
  C         0.00000000     1.05652800     0.00000000
  C        -1.05652800     0.00000000     0.00000000
  C         0.00000000    -1.05652800     0.00000000
  C         2.38532900     0.00000000     0.00000000
  C         0.00000000     2.38532900     0.00000000
  C        -2.38532900     0.00000000     0.00000000
  C         0.00000000    -2.38532900     0.00000000
  H         2.95255900    -0.92558100     0.00000000
  H         2.95255900     0.92558100     0.00000000
  H         0.92558100     2.95255900     0.00000000
  H        -0.92558100     2.95255900     0.00000000
  H        -2.95255900     0.92558100     0.00000000
  H        -2.95255900    -0.92558100     0.00000000
  H        -0.92558100    -2.95255900     0.00000000
  H         0.92558100    -2.95255900     0.00000000
