TY - RPRT TI - Nonorthogonal Configuration Interaction for Singlet Fission: Beyond the Dimer AU - Sousa, C. [Universitat de Barcelona (Spain)] (ORCID:0000000219151111) AU - López, X. [Universitat Rovira i Virgili, Tarragona (Spain)] (ORCID:0000000303226796) AU - Dong, X. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0009000182102582) AU - Broer, R. [University of Groningen (The Netherlands)] (ORCID:0000000254379509) AU - Straatsma, T. P. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); University of Alabama, Tuscaloosa, AL (United States)] (ORCID:000000015150643X) AU - de Graaf, C. [Universitat Rovira i Virgili, Tarragona (Spain); ICREA, Pg. Lluís Companys, Barcelona (Spain)] (ORCID:0000000181146658) PY - 2025 DO - 10.1021/acs.jpcc.4c08656 UR - https://www.osti.gov/biblio/2538175 ID - 2538175 ER -