Joonho Lee working with Martin Head-Gordon added a libgmbpt-based
Laplace-transformed RI-MP2 implementation for both same-spin and opposite-spin
correlations.
709
Lee J., Lin L., Head-Gordon M.
J. Chem. Theory Comput.
(2020),
16,
pp. 243.
Link
To use this feature, one can just add
LAPLACE_TRANSFORM TRUE to the $rem block.