//JPL		p-c-C3H2
//Temp (K)	log(Z)
3.000	0.5513
6.000	0.9742
9.375	1.2577
18.75	1.7030
37.50	2.1514
75.00	2.6014
150.0	3.0527
225.0	3.3206
300.0	3.5194