164868.fig.008a
(a)
164868.fig.008b
(b)
Figure 8: Normalized peak integral versus time plots for (a) the consumption of N2O4 (1741 cm−1) and (b) the growth of the asymmetric –NO2 stretch for benzene (●), benzene-d6 (▲), toluene (■), and toluene-d8 (♦) at 50°C.