Theoretical study of carbon isotope effects in the nonclassical carbonyl cation CO/[M(CO)n]+ (M = Cu, Ag, Au; n = 1–4). - Ono, Yuriko; Tsutsumi, Takuro; Harabuchi, Yu; Taketsugu, Tetsuya; Fujii, Yasuhiko (Chemical Physics Letters, 2022)