Ethene
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 | 131.44 | kJ mol-1 |
| Total (Trans. + Rot. + Vib.) | 141.36 | 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 | 10.22 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 43.48 | J mol-1 K-1 |
| Entropy | ||
| Property | Value | Unit |
| Translational | 150.32 | J mol-1 K-1 |
| Rotational | 77.76 | J mol-1 K-1 |
| Vibrational | 2.64 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 230.72 | J mol-1 K-1 |
| Other Properties | ||
| Property | Value | Unit |
| Heat of Formation | 69.54 | kJ mol-1 |