//JPL		HCO+
//Temp (K)	log(Z)
1.000	0.0177
3.000	0.2530
6.000	0.5000
9.375	0.6748
18.75	0.9591
37.50	1.2519
75.00	1.5488
150.0	1.8481
225.0	2.0276
300.0	2.1643