--- trunk/OOPSE-3.0/forceFields/DUFF2.frc 2006/02/08 18:21:40 2585 +++ trunk/OOPSE-3.0/forceFields/DUFF2.frc 2006/06/05 18:24:45 2787 @@ -2,8 +2,15 @@ // // The sections are divided into AtomTypes // -//any parameters (but not all) are derived from the TRAPPE force field +// many parameters (but not all) are derived from the TRAPPE force field // of Siepmann's group. + +begin Options + Name = "DUFF" + GayBerneMu = 2.0 + GayBerneNu = 1.0 +end Options + begin AtomTypes //Name mass (amu) CH4 16.05 @@ -21,6 +28,7 @@ O_SPCE 15.9994 O_TIP4P 15.9994 O_TIP4P-Ew 15.9994 O_TIP5P 15.9994 +O_TIP5P-E 15.9994 O_SPCE 15.9994 O_SPC 15.9994 H_DIP3P 1.0079 @@ -56,7 +64,10 @@ linear 48.0428 Kr 83.80 U 1.00 GBPaper 48.0428 -linear 48.0428 +GBlinear 48.0428 +GBC6H6 78.11184 +GBCH3OH 32.04186 +GBH2O 18.0153 Pchg+ 5.000 Pchg- 5.000 PDIP 10.000 @@ -74,18 +85,23 @@ linear 86.477 86.477 0 TAP 1.7696 0.6145 1.1550 HEAD 1125 1125 250 GBPaper 86.477 86.477 0 -linear 86.477 86.477 0 +GBlinear 86.477 86.477 0 +GBC6H6 88.781 88.781 177.561 +GBCH3OH 4.056 20.258 20.999 +GBH2O 1.777 0.581 1.196 PDIP 10.0 10.0 0 end DirectionalAtomTypes begin GayBerneAtomTypes -//Name Sigma l2b_ratio eps eps_ratio mu nu -GBPaper 3.35 3.0 0.774729 0.2 2.0 1.0 -linear 2.8104 3.555721 0.774729 0.150814 2.0 1.0 +//Name d l eps eps_ratio dw +GBPaper 3.35 10.05 0.774729 0.2 1.0 +GBlinear 2.8104 9.993 0.774729 0.150814 1.0 +GBC6H6 4.65 2.03 0.540 3.67 0.6 +GBCH3OH 2.55 3.18 0.542 1.03 1.0 end GayBerneAtomTypes begin LennardJonesAtomTypes -//Name epsilon sigma +//Name epsilon sigma DIP 0.038025 3.12 SSD 0.152 3.051 SSD1 0.152 3.016 @@ -97,6 +113,7 @@ O_SPCE 0.15532 3.16549 O_TIP4P 0.1550 3.15365 O_TIP4P-Ew 0.16275 3.16435 O_TIP5P 0.16 3.12 +O_TIP5P-E 0.178 3.097 O_SPCE 0.15532 3.16549 O_SPC 0.15532 3.16549 CH4 0.279 3.73 @@ -129,6 +146,7 @@ end LennardJonesAtomTypes Pchg- 0.1 3.0 PDIP 0.15 5.0 DPD 1.194 4.70 +GBH2O 0.2 2.35 end LennardJonesAtomTypes begin ChargeAtomTypes @@ -192,6 +210,8 @@ PDIP d 0.0 0.0 0.0 9.6064 SSD1 dq 0.0 0.0 0.0 2.35 -1.682 1.762 -0.08 TAP dq 0.0 0.0 0.0 2.12 -1.682 1.762 -0.08 PDIP d 0.0 0.0 0.0 9.6064 +GBH2O dq 0.0 0.0 0.0 1.772 -2.165 2.446 -0.281 +GBC6H6 q 0.0 0.0 0.0 4.584 4.584 -9.169 //HDP s 0.0 0.0 0.0 20.6 4.63 end MultipoleAtomTypes