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root/group/trunk/OOPSE-3.0/forceFields/DUFF2.frc
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Comparing trunk/OOPSE-3.0/forceFields/DUFF2.frc (file contents):
Revision 2098 by tim, Wed Mar 9 17:58:33 2005 UTC vs.
Revision 2161 by chrisfen, Mon Apr 11 20:18:53 2005 UTC

# Line 44 | Line 44 | Kr             83.80          
44   Cl              35.4527        
45   Ar              39.948          
46   Br              79.904          
47 < Kr              83.80          
47 > Kr              83.80  
48 > Cl-             35.4527
49 > Na+             22.9898
50   end AtomTypes
51  
52   begin DirectionalAtomTypes
# Line 89 | Line 91 | Kr       0.32590340268         3.83                  
91   Cl        0.344781953445        3.35
92   Ar        0.238068461226        3.41
93   Br        0.511111921764        3.54
94 < Kr        0.32590340268         3.83                  
94 > Kr        0.32590340268         3.83
95 > Cl-       0.100                 4.445
96 > Na+       0.118                 2.579                
97   end LennardJonesAtomTypes
98  
99   begin ChargeAtomTypes
# Line 104 | Line 108 | Cl      -1.0
108   H_SPC     0.42
109   EP_TIP4P -1.040
110   EP_TIP5P -0.241
111 < Cl       -1.0
111 > Cl-      -1.0
112 > Na+       1.0
113   end ChargeAtomTypes
114  
115   begin MultipoleAtomTypes
116 < //only support up tp quadrupole.
117 < //possible format:
118 < // name d theta phi psi dipole_moment
119 < // name s theta phi psi dipole_moment splitdipole_distance
115 < // name q theta phi psi Qxx Qyy Qzz
116 < // name dq theta phi psi dipole_moment Qxx Qyy Qzz
117 < // name sq theta phi psi dipole_moment splitdipole_distance Qxx Qyy Qzz
118 < // euler angles are given in units of degree
119 < // dipoles are given in units of Debye
120 < // split dipole distances are given in units of Angstrom
121 < // quadrupoles are given in units of
116 > // OOPSE currently only supports charge-charge, charge-dipole,
117 > // dipole-dipole, and charge-quadrupole interactions.
118 > // Dipoles may be either traditional point-dipoles or split-dipoles.
119 > // possible formats for a multipolar atom type are:
120   //
121 < SSD_E   d       0.0     0.0     0.0     2.42
122 < SSD_RF  d       0.0     0.0     0.0     2.48
123 < SSD     d       0.0     0.0     0.0     2.35
124 < SSD1    d       0.0     0.0     0.0     2.35
121 > // Point-dipoles:
122 > // name d phi theta psi dipole_moment
123 > //
124 > // Split-dipoles:
125 > // name s phi theta psi dipole_moment splitdipole_distance
126 > //
127 > // Point-Quadrupoles:
128 > // name q phi theta psi Qxx Qyy Qzz
129 > //
130 > // Atoms with both dipole and quadrupole moments:
131 > // name dq phi theta psi dipole_moment Qxx Qyy Qzz
132 > //
133 > // Atoms with both split dipoles and quadrupole moments:
134 > // name sq phi theta psi dipole_moment splitdipole_distance Qxx Qyy Qzz
135 > //
136 > // Euler angles are given in zxz convention in units of degrees.
137 > //
138 > // Charges are given in units of electrons.
139 > //
140 > // Dipoles are given in units of Debyes.
141 > //
142 > // Split dipole distances are given in units of Angstroms.
143 > //  
144 > // Quadrupole moments are given in units of 10^-26 esu cm^2 (also known as an
145 > //                                                           esu centi-barn)
146 > //
147 > SSD_E   dq       0.0     0.0     0.0     2.42  -1.682  1.762  -0.08
148 > SSD_RF  dq       0.0     0.0     0.0     2.48  -1.682  1.762  -0.08
149 > SSD     dq       0.0     0.0     0.0     2.35  -1.682  1.762  -0.08
150 > SSD1    dq       0.0     0.0     0.0     2.35  -1.682  1.762  -0.08
151   //HDP     s       0.0     0.0     0.0     20.6    4.63
152   end MultipoleAtomTypes
153  

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