hydrogen molecular hydrogen
Molecule Viewer
Thermodynamics at 298.15 K and standard pressure
| Enthalpy | ||
| Property | Value | Unit |
| Translational | 6.20 | kJ mol-1 |
| Rotational | 3.72 | kJ mol-1 |
| Vibrational | 55.06 | kJ mol-1 |
| Total (Trans. + Rot. + Vib.) | 64.98 | kJ mol-1 |
| Heat Capacity at Constant Pressure | ||
| Property | Value | Unit |
| Translational | 20.79 | J mol-1 K-1 |
| Rotational | 12.47 | J mol-1 K-1 |
| Vibrational | 0.01 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 33.27 | J mol-1 K-1 |
| Entropy | ||
| Property | Value | Unit |
| Translational | 122.54 | J mol-1 K-1 |
| Rotational | 38.71 | J mol-1 K-1 |
| Vibrational | 0.00 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 161.25 | J mol-1 K-1 |
| Other Properties | ||
| Property | Value | Unit |
| Heat of Formation | 899.45 | kJ mol-1 |