that big than in the 6 - 10$\mu$m region, but still not negligible. The cationic molecules still have clearly higher intensities compared to the other ones in this region. Again, for better comparison with the UIR bands, dashed lines are drawn at 11.0 $\mu$m, 12.8 $\mu$m, and 13.6 $\mu$m.

Fig. \[1520.fig\] shows the 15 - 20 $\mu$m region of the spectra. In this region, the intensities strongly decrease, but still cations and anions have higher intensities than the neutrals. The changes by adding the defects makes big differences, the molecules with defects have no similarities with the molecules without defects. There seems to be a charge effect on the 16.4$\mu$m UIR band of the defected PAHs, it can be seen for the defected coronene, whereas pyrene has a strong peak at smaller wavelength. Dashed lines are drawn at 16.4 $\mu$m, 17.4 $\mu$m, and 17.8 $\mu$m as UIR bands at these positions have been thought to originate from PAHs.

The 20 - 100 $\mu$m region of the spectra in the far-IR is shown in Fig. \[20100.fig\]. Only the neutral species is included, as the influence of ionization is very small at those wavelengths. Also in this region the changes by the 