Lennard-Jones Potential

where
V = potential
ε, σ = positive constants
p, q = positive integers
r = radius

This equation is most often used in modelling van der Waals interactions (p=6, q=12).
ε [J]σ [m]
He0.141x10-212.56x10-10
Ne0.492x10-212.75x10-10
Ar1.70x10-213.40x10-10
Kr2.30x10-213.68x10-10
Xe3.1x10-214.07x10-10
N21.25x10-213.70x10-10
I27.6x10-214.98x10-10
Hg11.74x10-212.90x10-10
CCl44.51x10-215.88x10-10

See also: van der Waals Equation.

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Subjects: Physics