//CDMS		A-CH3CN
//Temp (K)	log(Z)
2.725	1.1151
5.000	1.3679
9.375	1.6355
18.75	1.9547
37.50	2.3542
75.00	2.8011
150.0	3.2524
225.0	3.5166
300.0	3.7041