SEARCH Articles Figures Tables External drift correction External standard absorption correction Externally corrected Externally corrected CCSD Externally corrected CCSD amplitude correcting Externally corrected MMCC Externally corrected MMCC methods Externally corrected MMCC schemes Externally corrected coupled-cluster method Externally corrected energy Externally corrected energy correcting approaches Externally corrected external corrections Externally corrected higher-than-pair clusters