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root/group/trunk/OOPSE-4/forceFields/DUFF2.frc
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Comparing trunk/OOPSE-4/forceFields/DUFF2.frc (file contents):
Revision 2098 by tim, Wed Mar 9 17:58:33 2005 UTC vs.
Revision 2226 by kdaily, Tue May 17 02:09:25 2005 UTC

# Line 34 | Line 34 | He             4.002602        
34   TB3             28.06          
35   TE3             30.08  
36   H               1.00794        
37 < He              4.002602        
37 > He              4.002602
38   C               12.0107        
39   N               14.00674        
40   O               15.9994        
# 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 > U               1.00
49 > GB              48.0428        
50   end AtomTypes
51  
52   begin DirectionalAtomTypes
# Line 54 | Line 56 | end DirectionalAtomTypes                    
56   SSD_E           1.7696  0.6145  1.1550  
57   SSD_RF          1.7696  0.6145  1.1550  
58   HEAD            1125    1125    250
59 + GB              86.477  86.477  0
60   end DirectionalAtomTypes                    
61 <                        
61 >
62 > begin GayBerneAtomTypes
63 > //Name  Sigma   12b_ratio       eps     eps_ratio       mu      nu            
64 > GB      3.35    2.074626866     1.31713         .178317250385   2.0     1.0
65 > end GayBerneAtomTypes                  
66 >
67   begin LennardJonesAtomTypes
68   //Name  epsilon                 sigma  
69   SSD       0.152                 3.051                                  
# Line 89 | Line 97 | Kr       0.32590340268         3.83                  
97   Cl        0.344781953445        3.35
98   Ar        0.238068461226        3.41
99   Br        0.511111921764        3.54
100 < Kr        0.32590340268         3.83                  
100 > Kr        0.32590340268         3.83
101 > U         1.0                   1.0
102   end LennardJonesAtomTypes
103  
104   begin ChargeAtomTypes
# Line 108 | Line 117 | begin MultipoleAtomTypes
117   end ChargeAtomTypes
118  
119   begin MultipoleAtomTypes
120 < //only support up tp quadrupole.
121 < //possible format:
122 < // name d theta phi psi dipole_moment
123 < // 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
120 > // OOPSE currently only supports charge-charge, charge-dipole,
121 > // dipole-dipole, and charge-quadrupole interactions.
122 > // Dipoles may be either traditional point-dipoles or split-dipoles.
123 > // possible formats for a multipolar atom type are:
124   //
125 < SSD_E   d       0.0     0.0     0.0     2.42
126 < SSD_RF  d       0.0     0.0     0.0     2.48
127 < SSD     d       0.0     0.0     0.0     2.35
128 < SSD1    d       0.0     0.0     0.0     2.35
125 > // Point-dipoles:
126 > // name d phi theta psi dipole_moment
127 > //
128 > // Split-dipoles:
129 > // name s phi theta psi dipole_moment splitdipole_distance
130 > //
131 > // Point-Quadrupoles:
132 > // name q phi theta psi Qxx Qyy Qzz
133 > //
134 > // Atoms with both dipole and quadrupole moments:
135 > // name dq phi theta psi dipole_moment Qxx Qyy Qzz
136 > //
137 > // Atoms with both split dipoles and quadrupole moments:
138 > // name sq phi theta psi dipole_moment splitdipole_distance Qxx Qyy Qzz
139 > //
140 > // Euler angles are given in zxz convention in units of degrees.
141 > //
142 > // Charges are given in units of electrons.
143 > //
144 > // Dipoles are given in units of Debyes.
145 > //
146 > // Split dipole distances are given in units of Angstroms.
147 > //  
148 > // Quadrupole moments are given in units of 10^-26 esu cm^2 (also known as an
149 > //                                                           esu centi-barn)
150 > //
151 > SSD_E   dq       0.0     0.0     0.0     2.42  -1.682  1.762  -0.08
152 > SSD_RF  dq       0.0     0.0     0.0     2.48  -1.682  1.762  -0.08
153 > SSD     dq       0.0     0.0     0.0     2.35  -1.682  1.762  -0.08
154 > SSD1    dq       0.0     0.0     0.0     2.35  -1.682  1.762  -0.08
155   //HDP     s       0.0     0.0     0.0     20.6    4.63
156   end MultipoleAtomTypes
157  

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