[AMBER] Potential Energy in 3D-RISM

From: Maksim Mišin <maksim.misin.strath.ac.uk>
Date: Wed, 14 Sep 2016 19:16:29 +0000

Dear RISM developers,


I believe the 3D-RISM code in AmberTools outputs incorrect values of
solute-solvent potential energy. The code (function
rism3d_closure_solvPotEne in rism3d_closure_c.F90) produces a value that
corresponds to:
    E_uv = 0.5*sum[ g(r)*u(r) ]*dr,
while the Amber16 manual (p. 103) states that it should output:
    E_uv = sum[ g(r)*u(r) ]*dr,
which is the correct equation for solute potential energy.


Kind regards,
Maksim Mišin
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Received on Wed Sep 14 2016 - 12:30:02 PDT
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