J. Phys. Chem. 1987, 91, 3661-3667 TABLE 11: Mid-IR Frequencies (cm-I)" of TNPAN Measured at 298 K on a Thin Film of Pure Material U tent. assignt U tent. assignt 1366 vw 3120 m, sh
uas(NH3+),us(NH3+) 3035 m, sh 2979 m 2888 m } u 2838 m, sh 2763 W, sh \ 2716 w, sh 2659 w
a s ( ~ ~ 2 ),,,(cH,) ,
1
combinations and
2598 W , sh
Overtones
1297 m
uS(NO2),v3(NO 5000 A or an excitation energy of
