Equation Icon  ( ) the contribution to m1ai1 from 6118-m31m22 i 6118-m21m32 i ≤4QKAli,≤4RKlAij,6QiAΘ,δiA Θ,4DiAχ = ε 9 r612 r12 + ε 9 r612 r12. (170 )