Brown, G. N., Jr., Ziegler, W. T., 1980, 
"Vapor pressure and heats of vaporization and sublimation of liquids 
and solids of interest in cryogenics below 1-atm pressure"
Adv. Crog. Eng., 25, 662-670. 

Table 1.

Entered by Leslie Young, SwRI, Apr 10, 2011 (layoung@boulder.swri.edu).

Substance    Physical_State  Temerature Range (K) Pressure Range, torr   Polynomial designation
---------    --------------  -------------------- ---------------------  ----------------------
 p-H2         liquid          22       13.813      1223.23    52.89       (p-H2)1
 p-H2         solid           13.813   1.0         5.289e1    8.255e-39   (p-H2)2
 
 O2           liquid          100      54.532      1908.43    1.098       (O2)1
 O2           gamma-solid     54.532   43.772      1.098      1.2937e-2   (O2)2
 O2           beta-solid      43.772   23.781      1.2937e-2  7.24e-12    (O2)3
 O2           alpha-solid     23.781   20.0        7.24e-12   1.007e-15   (O2)4
 
 N2           liquid          77.347   63.152      760        94.120      (N2)1
 N2           beta-solid      63.152   35.62       94.12      3.147e-3    (N2)2
 N2           alpha-solid     35.62    10          3.147e-3   1.062e-30   (N2)3
 
 F2           liquid          85.03    53.54       760        1.919       (F2)1
 F2           beta-solid      53.54    45.55       1.919      7.86e-2     (F2)2
 F2           alpha-solid     45.55    14.0        7.86e-2    7.86e-25    (F2)3
 
 CO           liquid          81.638   68.127      760        1.155e2     (CO)1
 CO           beta-solid      68.127   61.544      115.5      28.09       (CO)2
 CO           alpha-solid     61.544   14.0        28.09      1.473e-23   (CO)3
 
 CO2          solid           194.694  40.0        760        7.16e-26    (CO2)1
 
 Ne           liquid          30       24.552      760        3.224e+2    (Ne)1
 Ne           solid           24.552   12.5        3.224e+2   1.292e-2    (Ne)2
 Ne           solid           13.3     3.7         4.383e-2   1.456e-22   (Ne)3

 Ar           liquid          88.00    83.80       818.68     516.84      (Ar)1
 Ar           solid           83.80    20.0        516.84     4.54e-14    (Ar)2

 Kr           liquid          119.786  115.76      760        547.92      (Kr)1
 Kr           solid           115.76   12.0        547.92     1.73e-42    (Kr)2

 Xe           liquid          165.02   161.37      760        612.45      (Xe)1
 Xe           solid           161.37   20.0        612.45     1.05e-34    (Xe)2

 CH4          liquid          111.648  90.64       760        87.625      (CH4)1
 CH4          solid           90.64    20.4        87.625     1.89e-18    (CH4)2

 C2H4         liquid          169.40   103.97      760        9.11e-1     (C2H4)1
 C2H4         solid           103.97   20.         9.11e-1    8.32e-43    (C2H4)2

 C2H6         liquid          184.52   89.89       760        7.33e-3     (C2H6)1
 C2H6         solid           89.89    20.0        7.33e-3    1.04e-45    (C2H6)2