20 
biphenylene molec optimized by CAM-B3LYPp2p, SG=mmm
  C         0.75413900     0.70845700     0.00000000
  C         1.90862700     1.43901900     0.00000000
  C         3.11074400     0.69164200     0.00000000
  C         3.11074400    -0.69164200     0.00000000
  C         1.90862700    -1.43901900     0.00000000
  C         0.75413900    -0.70845700     0.00000000
  C        -0.75413900    -0.70845700     0.00000000
  C        -1.90862700    -1.43901900     0.00000000
  C        -3.11074400    -0.69164200     0.00000000
  C        -3.11074400     0.69164200     0.00000000
  C        -1.90862700     1.43901900     0.00000000
  C        -0.75413900     0.70845700     0.00000000
  H         1.92849300     2.52400100     0.00000000
  H         4.05906900     1.22026800     0.00000000
  H         4.05906900    -1.22026800     0.00000000
  H         1.92849300    -2.52400100     0.00000000
  H        -1.92849300    -2.52400100     0.00000000
  H        -4.05906900    -1.22026800     0.00000000
  H        -4.05906900     1.22026800     0.00000000
  H        -1.92849300     2.52400100     0.00000000
