Estimated values for CH4 I using the Lobo & Ferreira (2001) polynomial
T(K)     P(bar)
30.00   2.29e-13
31.00   8.40e-13
32.00   2.84e-12
33.00   8.95e-12
34.00   2.64e-11
35.00   7.30e-11
36.00   1.91e-10
37.00   4.76e-10
38.00   1.13e-09
39.00   2.56e-09
40.00   5.59e-09
41.00   1.17e-08
42.00   2.38e-08
43.00   4.67e-08
44.00   8.89e-08
45.00   1.64e-07
46.00   2.96e-07
47.00   5.21e-07
48.00   8.93e-07
49.00   1.50e-06
50.00   2.47e-06
51.00   3.98e-06
52.00   6.30e-06
53.00   9.81e-06
54.00   1.50e-05
55.00   2.26e-05
56.00   3.36e-05
57.00   4.93e-05
58.00   7.12e-05
59.00   1.02e-04
60.00   1.43e-04
61.00   2.00e-04
62.00   2.76e-04
63.00   3.77e-04
64.00   5.10e-04
65.00   6.83e-04
66.00   9.07e-04
67.00   1.19e-03
68.00   1.56e-03
69.00   2.02e-03
70.00   2.60e-03
71.00   3.31e-03
72.00   4.20e-03
73.00   5.29e-03
74.00   6.62e-03
75.00   8.24e-03
76.00   1.02e-02
77.00   1.25e-02
78.00   1.53e-02
79.00   1.86e-02
80.00   2.25e-02
81.00   2.71e-02
82.00   3.25e-02
83.00   3.88e-02
84.00   4.61e-02
85.00   5.46e-02
86.00   6.43e-02
87.00   7.55e-02
88.00   8.83e-02
89.00   1.03e-01
90.00   1.19e-01
