Error Statistics (vs FCI):
Ground State (CAS-SSVQE[0]):
RMSE: 1.0331007938859694e-13 Hartree
MAE: 8.265980492675832e-14 Hartree
Max Error: 2.4158453015843406e-13 Hartree

Excited State (CAS-SSVQE[0]-QSE):
RMSE: 7.665962561566845e-14 Hartree
MAE: 5.921189464667502e-14 Hartree
Max Error: 1.8474111129762605e-13 Hartree

Excited State (CAS-SSVQE[0]-QSE*):
RMSE: 7.414925678089391e-13 Hartree
MAE: 7.37543359718984e-13 Hartree
Max Error: 9.947598300641403e-13 Hartree

