Ionic fraction data
Arnaud and Rothenflug(1985) - Carbon

LOG T   +0      +1      +2      +3      +4      +5      +6

4.0     -0.02   -1.44                                         
4.1     -0.22   -0.40                                         
4.2     -0.87   -0.06   -4.68                                 
4.3     -1.49   -0.01   -3.01                                 
4.4     -1.81   -0.01   -1.82                                 
4.5     -2.02   -0.05   -1.01   -6.83                         
4.6     -2.29   -0.17   -0.51   -4.61                         
4.7     -2.69   -0.40   -0.22   -3.02                         
4.8     -3.22   -0.75   -0.09   -1.81   -4.40                 
4.9     -3.79   -1.13   -0.09   -0.94   -2.33                 
5.0     -4.56   -1.71   -0.32   -0.45   -0.85                 
5.1     -5.82   -2.76   -1.06   -0.58   -0.19                 
5.2             -4.06   -2.07   -1.09   -0.04                 
5.3             -5.27   -3.02   -1.59   -0.01                 
5.4             -6.40   -3.91   -2.10   0.00    -5.90         
5.5                     -4.62   -2.47   0.00    -4.19         
5.6                     -5.23   -2.77   0.00    -2.81         
5.7                     -5.71   -2.99   -0.01   -1.70   -5.09
5.8                     -6.09   -3.11   -0.06   -0.86   -3.13
5.9                     -6.48   -3.28   -0.25   -0.38   -1.73
6.0                     -6.96   -3.55   -0.57   -0.24   -0.82
6.1                             -3.99   -1.04   -0.36   -0.33
6.2                             -4.57   -1.62   -0.67   -0.12
6.3                             -5.20   -2.22   -1.03   -0.04
6.4                             -5.81   -2.78   -1.38   -0.02
6.5                             -6.39   -3.29   -1.68   -0.01
6.6                             -6.93   -3.75   -1.95   0.00
6.7                                     -4.17   -2.19   0.00
6.8                                     -4.55   -2.40   0.00
6.9                                     -4.91   -2.59   0.00
7.0                                     -5.24   -2.76   0.00
7.1                                     -5.55   -2.91   0.00
7.2                                     -5.84   -3.06   0.00
7.3                                     -6.12   -3.19   0.00
7.4                                     -6.39   -3.30   0.00
7.5                                     -6.64   -3.44   0.00