//JPL		C2O
//Temp (K)	log(Z)
3.000	1.2303
6.000	1.5202
9.375	1.7106
18.75	2.0089
37.50	2.3087
75.00	2.6092
150.0	2.9100
225.0	3.0861
300.0	3.2110