Lennard-Jones Potential
- where
- V = potential
- ε, σ = positive constants
- p, q = positive integers
- r = radius
- ε, σ = positive constants
- This equation is most often used in modelling van der Waals interactions (p=6, q=12).
| ε [J] | σ [m] | |
| He | 0.141x10-21 | 2.56x10-10 |
| Ne | 0.492x10-21 | 2.75x10-10 |
| Ar | 1.70x10-21 | 3.40x10-10 |
| Kr | 2.30x10-21 | 3.68x10-10 |
| Xe | 3.1x10-21 | 4.07x10-10 |
| N2 | 1.25x10-21 | 3.70x10-10 |
| I2 | 7.6x10-21 | 4.98x10-10 |
| Hg | 11.74x10-21 | 2.90x10-10 |
| CCl4 | 4.51x10-21 | 5.88x10-10 |
See also: van der Waals Equation.
Subjects: Physics