Table 5: Vibrational partition function, average vibrational energy (above zero-point energy) in cm−1, frequency of the lowest energy vibrational mode, and energy to collision ratio for the molecules listed in Table 2 at the temperatures listed in that table. The calculated values for our D2O measurements from Section 3.2 are also included for comparison.

Molecule (cm−1) (cm−1)

C60 (att. 1) 56000267174
C60 (att. 2) 5600026750
C60 (att. 3) 5700026714
Pyrene 4000997
Anthracene 3200915
Tetracene 64005618
Pentacene 100003821
Ovalene 180006129
D2O 1.2026011780.8