The potentials have been obtained as part of the projects described
in the following papers (they are not always published there explicitly):
ma4.dat -- [1]
ma4na.dat -- [2]
lnK.dat -- [3,7]
delta_12.dat -- [1,7]
araki.dat -- [4,7]
ma6.dat -- [4]
delta_ia.dat -- [1,7]
dEnaprim.dat -- [6]

[1] M. Puchalski, J. Komasa, K. Pachucki,  Phys. Rev. A 95, 052506 (2017) 
[2] P. Czachorowski, M. Puchalski, J. Komasa, K. Pachucki, Phys. Rev. A 98, 052506 (2018)
[3] K. Piszczatowski, G. Lach, M. Przybytek, J. Komasa, K. Pachucki and B. Jeziorski, J. Chem. Theory Comput., 5, 3039 (2009) 
[4] M. Puchalski, J. Komasa, P. Czachorowski, K. Pachucki,  Phys. Rev. Lett. 117, 263002 (2016)
[5] K. Pachucki, J. Komasa, Phys. Chem. Chem. Phys. 12, 9188 (2010)
[6] J. Komasa, M. Puchalski, P. Czachorowski, G. Lach, K. Pachucki, Phys. Rev. A 100, 032519 (2019)
[7] Updated by M. Silkowski, K. Pachucki, (2022) - to be published

These files are read by the program and interpolated, except for 'dEnaprim.dat', which is given here for information only, and
a fit based on it is used instead.
