Ionic fraction data
Arnaud and Rothenflug(1985) - Hydrogen

LOG T   +0      +1

4.0     0.00    -2.52
4.1     -0.04   -1.11
4.2     -0.34   -0.26
4.3     -1.17   -0.03
4.4     -1.98   0.00
4.5     -2.65   0.00
4.6     -3.21   0.00
4.7     -3.69   0.00
4.8     -4.09   0.00
4.9     -4.45   0.00
5.0     -4.76   0.00
5.1     -5.03   0.00
5.2     -5.28   0.00
5.3     -5.49   0.00
5.4     -5.69   0.00
5.5     -5.87   0.00
5.6     -6.03   0.00
5.7     -6.19   0.00