Table 5 Binding energy of methane dimer.

From: Exploring the promise and limitations of point-charge-free potentials for hydrocarbon modeling

Basis set

Binding energy (kJ/mol)

MP2

CCSD(T)

aug-cc-pVQZ

-1.50

-1.61

aug-cc-pVQZ-F12

-1.32

-1.48