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. 2019 Jun 11;24(11):2189. doi: 10.3390/molecules24112189

Table 10.

Contributions (in %) from the first and second overtones as well as binary and ternary combinations into NIR spectra of ethanol isotopomers based on GVPT2//B2PLYP-GD3BJ/def2-TZVP//CPCM calculations. a

10,000–4000 cm−1
2νx 3νx νx + νy νx + νy + νz 2νx + νy
CH3CH2OH 26.1 1.7 47.0 14.3 10.9
CH3CH2OD 18.0 2.2 51.2 17.4 11.1
CH3CD2OH 35.8 1.7 41.5 11.8 9.2
CD3CH2OH 40.9 1.2 32.6 15.1 10.1
CD3CD2OH 46.0 0.3 23.7 15.8 14.2
CD3CD2OD 43.1 2.0 19.2 17.8 17.9
CH3CD2OD 27.9 3.2 44.7 15.0 9.2
CD3CH2OD 36.0 2.5 35.5 10.8 15.2
10,000–7500 cm−1
2νx 3νx νx + νy νx + νy + νz 2νx + νy
CH3CH2OH 0.0 39.7 0.0 22.3 38.0
CH3CH2OD 0.0 55.5 0.0 15.4 29.1
CH3CD2OH 0.0 43.9 0.0 30.5 25.6
CD3CH2OH 0.0 66.9 0.0 1.4 31.7
CD3CD2OH 0.0 0.0 0.0 43.0 57.0
CD3CD2OD 0.0 100.0 0.0 0.0 0.0
CH3CD2OD 0.0 69.9 0.0 16.7 13.4
CD3CH2OD 0.0 76.3 0.0 0.5 23.2
7500–4000 cm−1
2νx 3νx νx + νy νx + νy + νz 2νx + νy
CH3CH2OH 26.5 1.2 47.6 14.2 10.5
CH3CH2OD 18.4 1.0 52.4 17.5 10.7
CH3CD2OH 36.0 1.4 41.8 11.7 9.1
CD3CH2OH 41.4 0.4 33.0 15.3 9.9
CD3CD2OH 46.0 0.3 23.7 15.8 14.2
CD3CD2OD 43.7 0.5 19.5 18.0 18.2
CH3CD2OD 28.4 2.0 45.5 15.0 9.1
CD3CH2OD 37.0 0.5 36.4 11.1 15.0

a The comparison is based on integrated intensity (cm−1) summed over simulated bands, convoluted with the use of Cauchy−Gauss product function (details in the text) in relation to the total integrated intensity.