Function sequant::open_shell_CC_spintrace¶ Defined in File spin.cpp Function Documentation¶ std::vector<ExprPtr> sequant::open_shell_CC_spintrace(const ExprPtr &expr)¶ Transforms Coupled cluster from spin orbital to spatial orbitals. Parameters: expr – ExprPtr to Sum type with spin orbital indices Returns: a vector of spin expressions for open-shell reference