Silver gold cross potential
0.003566503525 1.015075326  0.0 0.0 0.0 0.0
4.40856 3.4697 0.0 0.0 0.0 0.0
4.08
this is the # Ag/Au pair potential, in double spline form, which we've
all been waiting for. it gives disordered Ag/Au alloys across the board
and fits well with the observed alloying energy.