Accuracy

hydronium, cation    589 Hydronium, cation

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    #  Species Formula
   579 1-H TetrazoleCH2N4
   580 2-H-TetrazoleCH2N4
   581 TetracyanoethyleneC6N4
   582 1,3,5,7-TetraazaadamantaneC6H12N4
   583 MelamineC3H6N6
   584 Oxygen, atomO
   585 Hydroxyl radicalHO
   586 Hydroxide, anionHO
   587 Water (Geo)H2O
   588 WaterH2O
   589 Hydronium, cation H3O
   590 Carbon monoxideCO
   591 Carbon monoxide (Geo)CO
   592 HCO, cationHCO
   593 HCOHCO
   594 Formaldehyde (Geo)CH2O
   595 FormaldehydeCH2O
   596 CH2OH, cationCH3O
   597 Methoxy, radicalCH3O
   598 Methoxy, anionCH3O
   599 Methanol (Geo)CH4O


ΔHf: 138.9 kcal/mol,     REF: M. W. Chase, C. A. Davies, J. R. Downey, D. R. Frurip, R. A. McDonald, A. N. Syverud, JANAF Thermochemical Tables, Third Edition, J. Phys. Chem. Ref. Data 14, Suppl. 1 (1985).
  
 CHARGE=1 SYMMETRY
Hydronium, cation
 H=138.9 HR=JANAF86
 
  O     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 XX     0.99350737 +1    0.0000000 +0    0.0000000 +0     1     0     0
 XX     1.00000000 +0  120.0000000 +0    0.0000000 +0     2     1     0
  H     0.99350737 +0   89.9995063 +1  180.0000000 +0     1     2     3
  H     0.99350737 +0   89.9995063 +0   60.0000000 +0     1     2     3
  H     0.99350737 +0   89.9995063 +0  -60.0000000 +0     1     2     3
 
   2  1    4    5    6
   4  2    5    6