Clicking on the species symbols in the following summary table will bring up a full table of the molar heat capacity, entropy and standard enthalpy of formation values for that species at 100 K intervals from 200 to 3000 K, as computed from the polynomial coefficients, and citations for the source of the data.
| Species | Cp (cal/mol K) | S (cal/mol K) |
delta-Hf (kcal/mol) |
|---|---|---|---|
| Ar | 4.97 | 36.98 | 0.00 |
| C | 4.98 | 37.79 | 171.29 |
| C2H | 10.04 | 50.99 | 135.33 |
| C2H2 | 10.52 | 48.02 | 54.54 |
| C2H3 | 10.21 | 55.90 | 71.64 |
| C2H4 | 10.25 | 52.42 | 12.55 |
| C2H5 | 12.07 | 59.06 | 28.36 |
| C2H6 | 12.55 | 54.79 | -20.04 |
| C3H7 | 17.02 | 69.18 | 23.96 |
| C3H8 | 17.58 | 64.58 | -24.89 |
| CH | 6.97 | 43.75 | 142.77 |
| CH2 | 8.37 | 46.47 | 93.77 |
| CH2CHO | 13.14 | 64.01 | 5.97 |
| CH2(S) | 8.00 | 45.23 | 102.75 |
| CH2CO | 12.37 | 57.81 | -11.40 |
| CH2O | 8.46 | 52.29 | -25.95 |
| CH2OH | 11.56 | 58.30 | -3.50 |
| CH3 | 9.18 | 46.37 | 35.11 |
| CH3CHO | 13.22 | 63.09 | -39.76 |
| CH3O | 9.05 | 54.58 | 3.89 |
| CH3OH | 10.53 | 57.32 | -48.03 |
| CH4 | 8.53 | 44.54 | -17.83 |
| CN | 6.97 | 48.43 | 104.85 |
| CO | 6.97 | 47.24 | -26.42 |
| CO2 | 8.88 | 51.10 | -94.05 |
| H | 4.97 | 27.42 | 52.10 |
| H2 | 6.89 | 31.23 | 0.00 |
| H2CN | 9.14 | 53.59 | 59.11 |
| H2O | 8.03 | 45.13 | -57.80 |
| H2O2 | 10.13 | 56.05 | -32.48 |
| HCCO | 11.57 | 58.96 | 42.40 |
| HCCOH | 13.93 | 56.25 | 18.70 |
| HCN | 8.59 | 48.29 | 31.26 |
| HCNN | 11.73 | 59.77 | 110.45 |
| HCNO | 11.18 | 58.00 | 40.88 |
| HCO | 8.27 | 53.62 | 10.04 |
| HNCO | 11.11 | 57.53 | -28.22 |
| HNO | 8.10 | 52.80 | 25.40 |
| HO2 | 8.34 | 54.76 | 3.00 |
| HOCN | 11.06 | 57.86 | -2.82 |
| N | 4.97 | 36.64 | 112.97 |
| N2 | 6.96 | 45.76 | 0.00 |
| N2O | 9.23 | 52.58 | 19.50 |
| NCO | 9.58 | 55.54 | 31.50 |
| NH | 6.98 | 43.31 | 85.30 |
| NH2 | 8.09 | 46.60 | 45.90 |
| NH3 | 8.52 | 46.07 | -10.97 |
| NNH | 8.28 | 53.65 | 59.64 |
| NO | 7.14 | 50.37 | 21.81 |
| NO2 | 8.88 | 57.40 | 8.17 |
| O | 5.24 | 38.49 | 59.55 |
| O2 | 7.02 | 49.03 | 0.00 |
| OH | 7.14 | 43.92 | 9.40 |