A physical quantity ω characterizing the contribution of non-sphericity of molecules in Equation of State.
| Molecule | Acentric Factor |
| Acetone | 0.304 |
| Acetylene | 0.187 |
| Ammonia | 0.253 |
| Argon | 0.000 |
| Carbon Dioxide | 0.228 |
| Decane | 0.484 |
| Ethanol | 0.644 |
| Helium | -0.390 |
| Hydrogen | -0.220 |
| Krypton | 0.000 |
| Methanol | 0.556 |
| Neon | 0.000 |
| Nitrogen | 0.040 |
| Nitrous Oxide | 0.142 |
| Oxygen | 0.022 |
| Xenon | 0.000 |
See also
Natural Science / Physics / Thermodynamics / Equation of State
[ Real Gas ]