Table 2. Means and Standard Deviations of the Absorption Spectra with Confidence Intervals at a Level of 95%.

	mean		standard deviation
	classical	quantized	classical	quantized
QCMD
n = 45	0.674 ± 0.008	0.684 ± 0.009	0.189 (−0.006, +0.006)	0.206 (−0.006, +0.007)
n = 200	2.098 ± 0.010	2.084 ± 0.012	0.234 (−0.007, +0.008)	0.284 (−0.009, +0.009)
bulk	1.938 ± 0.015	1.930 ± 0.016	0.332 (−0.010, +0.011)	0.361 (−0.011, +0.012)
TD-DFT
n = 200	1.57 ± 0.08	1.43 ± 0.10	0.25 (−0.05, +0.07)	0.32 (−0.06, +0.09)