//CDMS		p-H2C18O
//Temp (K)	log(Z)
1.000	0.0443
3.000	0.3377
6.000	0.5974
9.375	0.7792
18.75	1.1106
37.50	1.5293
75.00	1.9770
150.0	2.4273
225.0	2.6912
300.0	2.8786		