Formaldehyde
Thermodynamics at 298.15 K and standard pressure
| Enthalpy | ||
| Property | Value | Unit |
| Translational | 6.20 | kJ mol-1 |
| Rotational | 2.48 | kJ mol-1 |
| Vibrational | 13.79 | kJ mol-1 |
| Total (Trans. + Rot. + Vib.) | 22.47 | kJ mol-1 |
| Heat Capacity at Constant Pressure | ||
| Property | Value | Unit |
| Translational | 20.79 | J mol-1 K-1 |
| Rotational | 8.31 | J mol-1 K-1 |
| Vibrational | 0.02 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 29.12 | J mol-1 K-1 |
| Entropy | ||
| Property | Value | Unit |
| Translational | 150.30 | J mol-1 K-1 |
| Rotational | 47.28 | J mol-1 K-1 |
| Vibrational | 0.00 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 197.59 | J mol-1 K-1 |
| Other Properties | ||
| Property | Value | Unit |
| Heat of Formation | -82.53 | kJ mol-1 |