//JPL		o-c-C3H2
//Temp (K)	log(Z)
3.000	1.3516
6.000	1.6213
9.375	1.8437
18.75	2.2345
37.50	2.6558
75.00	3.0922
150.0	3.5366
225.0	3.8022
300.0	3.9999