SEARCH Articles Figures Tables Carbon coupling constants configuration Close-coupled atomizer configuration Configuration interaction coupled cluster theory Connections between Coupled Cluster, Configuration Interaction and Perturbation Theory Correlation, electron Configuration interaction, Coupled-cluster Coupled-cluster and quadratic configuration interaction methods Coupled-cluster theory configuration Coupled-cluster theory, electron correlation configuration interaction calculations Couplings (For Two-Electrons Configurations) Intermediate coupling spin-orbit configuration interaction Multi-reference-configuration interaction coupled-clusters