CASSCF+CI+Q Energies, C2, vtz basis
R      E(1Sig+)          E(3Pi)
2.0	-75.70734621	-75.65257232
2.1	-75.74915153	-75.70937350
2.2	-75.77328555	-75.74659061
2.3	-75.78432414	-75.76904638
2.4	-75.78579839	-75.78045799
2.5	-75.78044496	-75.78369362
2.6	-75.77039973	-75.78096851
2.7	-75.75735281	-75.77399318
2.8	-75.74268486	-75.76408539
2.9	-75.72760016	-75.75225511
3.0	-75.71319478	-75.73926998