Su-s    T     P    VL   ΔV    σ     r    λex    λT1    δ1    λT2     δ2 Ne    25  0.51  1.63     394     5.50  1.60     1790     1549 13.5     1757  1.80 Ar    90  1.34  2.90     533   10.53  1.92     6307     5185  17.8     5895  6.53 Kr  150  6.56  3.87     164   10.00  1.98     7886     6356  19.4     7220  8.44 Xe  200  5.22  4.87     284   12.00  2.18   11327     9100  19.7   10362  8.52 H2    30  8.08  3.67    15.5     0.33  1.44       612       547  10.5       595  2.83 N2    90  3.60  3.75     182     6.16  2.09     5057     3968  21.5     4668  7.69 O2  100  2.55  2.95     303   10.70  2.00     6490     5256  19.0     6209  4.32 F2    95  2.78  2.65     261   10.70  2.06     6775     5024  25.9     6426  5.16 Cl2  201  0.13  4.26 14570   33.00  2.47   21934   18408  16.1   22110 -0.80 CH4  105  0.56  3.70   1521   15.80  2.30     8390     7333  12.6     8872 -5.74

T K° is the evaporation temperature, P*10-5 [Pa] is the pressure, VL*105 [m3/mole] is the molar volume of liquid, ΔV*105 [m3/mole] is the jump of volume in evaporation, σ*103 [N/m] is the surface tension coefficient, r*1010 [m] is the radius of atom (molecule, ion), λex [J/mole] is the experimental value of molar evaporation heat, λT1 [J/mole] is the molar evaporation heat calculated by using the geometrical volume, λT2 [J/mole] is the molar evaporation heat by using the free volume, δ1 and δ2 [%] are inaccuracies of λT1 and λT2, respectively.

Table 1: Calculation results of evaporation heat.