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Table B.1.

Bands observed in the template spectra with their plausible assignments.

Band designation (μm) Assignments PAH+ PAH0 eVSG PAHx
Main peaks

3.3 Aromatic C–H stretch 3.29 3.29 3.30
6.2 Aromatic C–C stretch 6.20 6.20 6.27 6.27
7.7 complex Aromatic C–C stretch 7.61 7.61 7.91 7.85
8.6 Aromatic C–H in-plane bend 8.56 (8.52,8.60) 8.60 8.58 8.65
11.2 Aromatic C–H out-of-plane bend 11.24 11.22 11.35 (11.32,11.38) 11.25
12.7 Aromatic C–H out-of-plane bend 12.75 12.73 12.73

Shoulders

3.3 Aromatic C–H stretch 3.24 3.24
6.2 Aromatic C–C stretch 6.22
7.7 complex Aromatic C–C stretch 7.52,7.76,7.88 7.53,7.77 7.72,8.06 7.65
8.6 Aromatic C–H in-plane bend 8.53
12.5 Aromatic C–H out-of-plane bend 12.53 12.50 12.50

Minor bands

3.4 Aliphatic C–H stretch 3.40, 3.43 [3.38−3.52] [3.38−3.52]
3.5 Aliphatic C–H stretch, Combination bands 3.47
3.5 Aliphatic C–H stretch, Combination bands 3.51
5.2 Combination bands/aromatic 5.23 5.26 5.24
5.7 Combination bands/aromatic 5.68 5.69 5.79 5.70
6.0 6.02 6.02
6.7 Aromatic C–C stretch? 6.66 6.73 6.62
6.9 Aliphatic C–H deformation? 6.92 6.88 6.87
7.0 ? 7.04 7.09
8.3 Aromatic C–H in-plane bend? 8.32 8.34 8.45 8.35
11.0 Aromatic C–H out-of-plane bend 11.03 11.02 11.09 11.07
11.5 Aromatic C–H out-of-plane bend 11.58,11.81
12.0 Aromatic C–H out-of-plane bend 11.92 11.96 11.97
12.0 Aromatic C–H out-of-plane bend 12.13 12.09
12.4 Aromatic C–H out-of-plane bend 12.42
13.5 Aromatic C–H out-of-plane bend 13.50 13.56 13.33,13.71 13.56
14.2 Aromatic C–H out-of-plane bend 14.18 14.25 14.25

Plateaus

3.20−3.60 Med Med Weak
6−9 Strong Med
11−13.50 Med Med Weak

Notes. Values in italics correspond to mean value of complexes of two bands whose estimated peak positions are shown in parentheses. The sign “–” is used when no significant band could be extracted.

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