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. Author manuscript; available in PMC: 2012 Aug 25.
Published in final edited form as: J Phys Chem B. 2011 Jul 28;115(33):10079–10085. doi: 10.1021/jp2051933

Table 3.

Breakdown of interaction energies of Cu(I) ion and water molecule, in kcal/mol.

Model Non-Polar Electrostatics Polar Electrostatics
Cu(I)…H2O H2O monomer van-der-Waals
OPLS2005with TIP3P water −27.5 3.9
OPLS2005with TIP4P water −24.7 3.4

OPLS, refitted for TIP3P −43.9 6.3
OPLS, refitted for TIP4P −39.9 5.6

PFF −48.4 −5.2 −9.3 3.2