SEARCH Articles Figures Tables Equation of motion coupled cluster Equation of motion coupled cluster EOM-CCSD Equation of motion coupled cluster EOMCC) Equation of motion coupled cluster single and Equation of motion coupled-cluster method Equation-of-motion coupled-cluster single and doubles method Equation-of-motion coupled-cluster singles and doubles Equation-of-motion coupled-cluster theory Equations of motion Equations of motion coupled clusters EOM-CC) Equations-of-motion coupled cluster methods EOM-CC) Motion equations Similarity-transformed equation of motion coupled cluster The equation-of-motion coupled-cluster method