Acetylene
Molecule Viewer
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 | 74.33 | kJ mol-1 |
| Total (Trans. + Rot. + Vib.) | 83.01 | 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 | 9.20 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 38.30 | J mol-1 K-1 |
| Entropy | ||
| Property | Value | Unit |
| Translational | 149.39 | J mol-1 K-1 |
| Rotational | 45.38 | J mol-1 K-1 |
| Vibrational | 2.69 | J mol-1 K-1 |
| Total (Trans. + Rot. + Vib.) | 197.45 | J mol-1 K-1 |
| Other Properties | ||
| Property | Value | Unit |
| Heat of Formation | 211.98 | kJ mol-1 |
Molecular Orbitals
Vibrational Frequencies
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