Supplementary Material

The supplementary material contains noncovalent interaction energy curves obtained with the tested Minnesota density functionals using the aug-cc-pVQZ basis set and the (500,974) grid for (CH4)2, noncovalent interaction energy curves obtained with the revM11 functional using the aug-cc-pVQZ basis set and the (99,590) grid for (CH4)2, and noncovalent interaction energy curves computed with the MN15 and CF22D functionals using the aug-cc-pVQZ basis set and the (99,590) grid for (CH4)2.