4 
HNO2 molec-a optimized by CAM-B3LYPp2p, SG=m
  N         0.00000000     0.00000000     0.00000000
  O         1.00978235     0.60181816     0.00000000
  O        -1.09273696     0.87315784     0.00000000
  H        -1.85589004     0.26875475     0.00000000
