Specifically, the sum of diagonal elements of the FTDM matrix is 86 %, whereas the sum of off-diagonal elements is 14 %, as shown in Fig. . Further, we also show the diagonal F XX values in Fig. . They demonstrate that the exciton is delocalized over the tetramer, with two molecules in the middle bearing ∼24 % of excitation each, and two end molecules Further, we calculated the FTDM matrix for the brightest transition of each of 100 MD snapshots (see distributions of the brighest state labels and corresponding oscillator strengths in Fig. and S7, respectively). The averaged F matrix at ∼300 K is shown in Fig. . We again see that the local excitations are dominant, but CT excitations are more pronounced than for the single model geometry (compare with Fig. ). Namely, we find 71 % LE and 29 % CT in total (Fig. ). The diagonal elements of the averaged F matrix range from ∼16 ∼19 %, showing exciton delocalization for the ensemble (Fig. ).