#
#  EXNOR library - potentials based around the Catlow oxygen-oxygen parameters
#
#  Reference:
#      M.Exner, H.Donnerberg, C.R.A.Catlow, O.F.Schirmer
#      Phys.Rev. B 52 (6) 1995 3930-3940
#
#      short range cutoff originally 2.5*unit cell (3.9885 Angs) 
#

species
K     core  1.00000
Ta    core  9.59600
Ta    shel -4.59600
O     core  0.75823
O     shel -2.75823

buckingham
K    core    O     shel   523.156 0.34356  0.00000 0.0 10.0
Ta   shel    O     shel  1315.572 0.36905  0.00000 0.0 10.0
O    shel    O     shel 22764.300 0.14900 27.62700 0.0 12.0

spring
Ta  5916.770
O     30.211