#  Original CeO2 Potential Reference:
#
#  (Frenkel Pair Formation)
#  A. Walsh, S. M. Woodley, C. R. A. Catlow and A. A. Sokol,
#  Solid State Ionics 184, 52 (2011). DOI:10.1016/j.ssi.2010.08.010
#

species 
Ce core  8.364996
Ce shel -4.364996
O  core  1.208967
O  shel -3.208967

buck
Ce    shel Ce    shel  5112.363589   0.113225   0.000000      0.00 15.00
O     shel O     shel  4310.247635   0.196093   0.000000      0.00 15.00
O     shel O     core   579.970961   0.096149   0.000000      0.60 15.00
O     shel Ce    core    42.218829   0.441259   0.000000      0.00 15.00

lenn 12 6
O     shel O     shel    10.00000              60.097963      0.00 15.00
Ce    shel Ce    shel    10.00000              20.327746      0.00 15.00
O     shel Ce    shel    10.00000              41.795090      0.00 15.00

morse
O     shel Ce    shel     0.082847   4.180479  1.528758 0.0   0.00 15.00
O     shel Ce    core     0.107585   1.022408  4.350085 0.0   0.00 15.00
O     shel Ce    core     0.109285   2.189865  2.138631 0.0   0.00 15.00
O     core Ce    shel     2.688393   2.369924  1.661182 0.0   0.00 15.00
Ce    shel Ce    shel     1.152090   2.723086  3.408673 0.0   0.00 15.00
O     shel O     shel     0.005047   0.927171  4.762552 0.0   0.00 15.00

spring
Ce   117.728645   93291981.620729 1 1
O     72.071301  203400583.793525 1 1