When PME is used , what is the meaning of Coulomb (SR),Coulomb (LR) Is it that : Coulomb (SR) = E dir Coulomb (LR) = Erec + Eself Dr. Yuguang Mu Institute for Physical and Theoretical Chemistry J.W. Goethe University Frankfurt am Main Marie Curie Str. 11 60439 Frankfurt/Main, Germany Tel: +49-(0)69-798-29711