//CDMS		HCN, v=0
//Temp (K)	log(Z)
2.725	0.7016
5.000	0.9109
9.375	1.1545
18.75	1.4389
37.50	1.7317
75.00	2.0286
150.0	2.3286
225.0	2.5122
300.0	2.6566
500.0	2.9688
1000.	3.5198