//JPL		C3H
//Temp (K)	log(Z)
1.000	1.0682
3.000	1.4240
6.000	1.7067
9.375	1.9243
18.75	2.3227
37.50	2.7380
75.00	3.1217
150.0	3.4714
225.0	3.6648
300.0	3.7982