16 
heptazine molec optimized by CAM-B3LYPp2p, SG=-62m
  N         0.00000000     0.00000000     0.00000000
  N         2.04938473     1.16076796     0.00000000
  N        -0.01943783    -2.35520321     0.00000000
  N        -2.02994690     1.19443526     0.00000000
  N         2.04938473    -1.16076796     0.00000000
  N        -2.02994690    -1.19443526     0.00000000
  N        -0.01943783     2.35520321     0.00000000
  C         1.40097487     0.00000000     0.00000000
  C        -0.70048743    -1.21327983     0.00000000
  C        -0.70048743     1.21327983     0.00000000
  C         1.30322333     2.25724901     0.00000000
  C         1.30322333    -2.25724901     0.00000000
  C        -2.60644665     0.00000000     0.00000000
  H         1.84703640     3.19916089     0.00000000
  H         1.84703640    -3.19916089     0.00000000
  H        -3.69407280     0.00000000     0.00000000
