TY - RPRT TI - Koopmans' theorem for large molecular systems within density functional theory. AU - Ji Luo AU - Zeng Quan Xue AU - Wei Min Liu AU - Jin Lei Wu AU - Zhong Qin Yang PY - 2006 DO - 10.1021/jp063669m UR - https://pubmed.ncbi.nlm.nih.gov/17064189/ ID - 17064189 ER -