//CDMS		c-C3H2
//Temp (K)	log(Z)
2.725	1.0798
5.000	1.4613
9.375	1.8598
18.75	2.3050
37.50	2.7535
75.00	3.2036
150.0	3.6545
225.0	3.9185
300.0	4.1060