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root/group/trunk/OOPSE-4/forceFields/MnM.frc
Revision: 3156
Committed: Mon Jul 9 21:05:41 2007 UTC (17 years, 1 month ago) by chuckv
File size: 7977 byte(s)
Log Message:
Added MnM forcefield.

File Contents

# User Rev Content
1 chuckv 3156 // This is the forcefield file for the Metal-NonMetal(MnM) Interaction Forcefield
2     //
3     // The sections are divided into AtomTypes
4     //
5    
6    
7     begin Options
8     Name = "MnM"
9     MetallicEnergyUnitScaling 23.0605423
10     end Options
11    
12     begin AtomTypes
13     //Name mass (amu)
14     CH4 16.05
15     CH3 15.04
16     CH2 14.03
17     CH 13.02
18     SSD 18.0153
19     SSD1 18.0153
20     SSD_E 18.0153
21     SSD_RF 18.0153
22     O_TIP3P 15.9994
23     O_TIP4P 15.9994
24     O_TIP4P-Ew 15.9994
25     O_TIP5P 15.9994
26     O_TIP5P-E 15.9994
27     O_SPCE 15.9994
28     O_SPC 15.9994
29     H_TIP3P 1.0079
30     H_TIP4P 1.0079
31     H_TIP4P-Ew 1.0079
32     H_TIP5P 1.0079
33     H_SPCE 1.0079
34     H_SPC 1.0079
35     EP_TIP4P 0.0
36     EP_TIP4P-Ew 0.0
37     EP_TIP5P 0.0
38     C 12.0107
39     S 32.0655
40     Ni 58.710
41     Cu 63.550
42     Rh 102.90550
43     Pd 106.42
44     Ag 107.8682
45     Ir 192.217
46     Pt 195.09
47     Au 196.97
48     end AtomTypes
49    
50     begin DirectionalAtomTypes
51     //Name I_xx I_yy I_zz (All moments in (amu*Ang^2)
52     SSD 1.7696 0.6145 1.1550
53     SSD1 1.7696 0.6145 1.1550
54     SSD_E 1.7696 0.6145 1.1550
55     SSD_RF 1.7696 0.6145 1.1550
56     end DirectionalAtomTypes
57    
58    
59     begin LennardJonesAtomTypes
60     //Name epsilon sigma
61     SSD 0.152 3.051
62     SSD1 0.152 3.016
63     SSD_E 0.152 3.035
64     SSD_RF 0.152 3.019
65     O_TIP3P 0.1521 3.15061
66     O_TIP4P 0.1550 3.15365
67     O_TIP4P-Ew 0.16275 3.16435
68     O_TIP5P 0.16 3.12
69     O_TIP5P-E 0.178 3.097
70     O_SPCE 0.15532 3.16549
71     O_SPC 0.15532 3.16549
72     CH4 0.279 3.73
73     CH3 0.185 3.75
74     CH2 0.0866 3.95
75     CH 0.0189 4.68
76     C 0.101745452544 3.35
77     end LennardJonesAtomTypes
78    
79     begin ChargeAtomTypes
80     // Name charge
81     O_TIP3P -0.834
82     O_SPCE -0.8476
83     O_SPC -0.82
84     H_TIP3P 0.417
85     H_TIP4P 0.520
86     H_TIP4P-Ew 0.52422
87     H_TIP5P 0.241
88     H_SPCE 0.4238
89     H_SPC 0.42
90     EP_TIP4P -1.040
91     EP_TIP4P-Ew -1.04844
92     EP_TIP5P -0.241
93     end ChargeAtomTypes
94    
95     begin MultipoleAtomTypes
96     // OOPSE currently only supports charge-charge, charge-dipole,
97     // dipole-dipole, and charge-quadrupole interactions.
98     // Dipoles may be either traditional point-dipoles or split-dipoles.
99     // possible formats for a multipolar atom type are:
100     //
101     // Point-dipoles:
102     // name d phi theta psi dipole_moment
103     //
104     // Split-dipoles:
105     // name s phi theta psi dipole_moment splitdipole_distance
106     //
107     // Point-Quadrupoles:
108     // name q phi theta psi Qxx Qyy Qzz
109     //
110     // Atoms with both dipole and quadrupole moments:
111     // name dq phi theta psi dipole_moment Qxx Qyy Qzz
112     //
113     // Atoms with both split dipoles and quadrupole moments:
114     // name sq phi theta psi dipole_moment splitdipole_distance Qxx Qyy Qzz
115     //
116     // Euler angles are given in zxz convention in units of degrees.
117     //
118     // Charges are given in units of electrons.
119     //
120     // Dipoles are given in units of Debyes.
121     //
122     // Split dipole distances are given in units of Angstroms.
123     //
124     // Quadrupole moments are given in units of 10^-26 esu cm^2 (also known as an
125     // esu centi-barn)
126     //
127     SSD_E dq 0.0 0.0 0.0 2.42 -1.682 1.762 -0.08
128     SSD_RF dq 0.0 0.0 0.0 2.48 -1.682 1.762 -0.08
129     SSD dq 0.0 0.0 0.0 2.35 -1.682 1.762 -0.08
130     SSD1 dq 0.0 0.0 0.0 2.35 -1.682 1.762 -0.08
131     end MultipoleAtomTypes
132    
133     begin StickyAtomTypes
134     //name w0 v0 (kcal/mol) v0p rl (Ang) ru rlp rup
135     SSD_E 0.07715 3.90 3.90 2.40 3.80 2.75 3.35
136     SSD_RF 0.07715 3.90 3.90 2.40 3.80 2.75 3.35
137     SSD 0.07715 3.7284 3.7284 2.75 3.35 2.75 4.0
138     SSD1 0.07715 3.6613 3.6613 2.75 3.35 2.75 4.0
139     end StickyAtomTypes
140    
141    
142     begin BondTypes
143    
144     //Atom1 Atom2 Fixed
145     //V_Fixed = 0
146    
147     //Atom1 Atom2 Harmonic b0 Kb (kcal/mol)
148     //V_Harmonic = 0.5*Kb(b- bo)^2
149     //Harmonic Examples
150     CH3 CH3 Harmonic 1.526 260
151     CH3 CH2 Harmonic 1.526 260
152     CH3 CH Harmonic 1.526 260
153     CH2 CH2 Harmonic 1.526 260
154     CH2 CH Harmonic 1.526 260
155     CH CH Harmonic 1.526 260
156    
157     //Atom1 Atom2 Cubic b0 K3 K2 K1 K0
158     //V_Cubic = K3(b - b0)^3 + K2(b - b0)^2 + K1(b - b0) + K0
159    
160    
161     //Atom1 Atom2 Quartic b0 K4 K3 K2 K1 K0
162     //V_Quartic = K4(b - b0)^4 + K3(b - b0)^3 + K2(b - b0)^2 + K1(b - b0) + K0
163    
164    
165     //Atom1 Atom2 Polynomial b0 i Ki [j Kj]
166     //V_Quartic = Ki(b - b0)^i + Kj(b - b0)^j + ...
167    
168    
169     end BondTypes
170    
171     begin BendTypes
172    
173     //Harmonic
174     //Atom1 Atom2 Atom3 Harmonic Theta0 Ktheta
175     //V_Harmonic = 0.5*Ktheta(Theta - Theta0)^2
176     //Ktheta: kcal/mole/rad**2
177     //Theta0: degrees
178     //Harmonic examples
179     //
180     CH3 CH2 CH3 Harmonic 114.0 117.68
181     CH3 CH2 CH2 Harmonic 114.0 117.68
182     CH3 CH2 CH Harmonic 114.0 117.68
183     CH3 CH CH3 Harmonic 112.0 117.68
184     CH3 CH CH2 Harmonic 112.0 117.68
185     CH3 CH CH Harmonic 112.0 117.68
186     CH2 CH2 CH2 Harmonic 114.0 117.68
187     CH2 CH2 CH Harmonic 114.0 117.68
188     CH2 CH CH2 Harmonic 112.0 117.68
189     CH2 CH CH Harmonic 112.0 117.68
190     CH CH2 CH Harmonic 114.0 117.68
191     CH CH CH Harmonic 112.0 117.68
192    
193    
194    
195     //UreyBradley
196     //Atom1 Atom2 Atom3 UreyBradley Theta0 Ktheta S0 Kub
197     //V_UreyBradleyBend = Ktheta(Theta - Theta0)^2 + Kub(S - S0)^2
198     //Ktheta: kcal/mole/rad**2
199     //Theta0: degrees
200     //Kub: kcal/mole/A**2
201     //S0: A
202    
203     //Cubic
204     //Atom1 Atom2 Atom3 Cubic Theta0 K3 K2 K1 K0
205     //V_Cubic = K3(Theta - Theta0)^3 + K2(Theta - Theta0)^2 + K1(Theta - Theta0) + K0
206    
207     //Quartic
208     //Atom1 Atom2 Atom3 Quartic Theta0 K4 K3 K2 K1 K0
209     //V_Quartic = K4(Theta - Theta0)^4 + K3(Theta - Theta0)^3 + K2(Theta - Theta0)^2 + K1(Theta - Theta0) + K0
210    
211     //Polynomial
212     //Atom1 Atom2 Atom3 Polynomial Theta0 i Ki [j Kj]
213     //V_Polynomial = Ki(Theta - Theta0)^i + Kj(Theta - Theta0)^j + ...
214    
215     end BendTypes
216    
217     begin TorsionTypes
218    
219     //Cubic
220     //Atom1 Atom2 Atom3 Atom4 Cubic k3 k2 k1 k0 ( all are kcal/mol )
221     //V_Cubic = k3(cos phi)^3 + k2(cos phi)^2 + k1(cos phi) + k0
222     //Cubic Examples
223     CH3 CH2 CH2 CH3 Cubic 5.9602 -0.2568 -3.802 2.1586
224     CH3 CH2 CH CH3 Cubic 3.3254 -0.4215 -1.686 1.1661
225     CH3 CH CH CH3 Cubic 3.3254 -0.4215 -1.686 1.1661
226     CH3 CH2 CH2 CH2 Cubic 5.9602 -0.2568 -3.802 2.1586
227     CH3 CH2 CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
228     CH3 CH CH2 CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
229     CH3 CH CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
230     CH3 CH2 CH2 CH Cubic 5.9602 -0.2568 -3.802 2.1586
231     CH3 CH2 CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
232     CH3 CH CH2 CH Cubic 3.3254 -0.4215 -1.686 1.1661
233     CH3 CH CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
234     CH2 CH2 CH2 CH2 Cubic 5.9602 -0.2568 -3.802 2.1586
235     CH2 CH2 CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
236     CH2 CH CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
237     CH2 CH2 CH2 CH Cubic 5.9602 -0.2568 -3.802 2.1586
238     CH2 CH2 CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
239     CH2 CH CH2 CH Cubic 3.3254 -0.4215 -1.686 1.1661
240     CH2 CH CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
241     CH CH2 CH2 CH Cubic 5.9602 -0.2568 -3.802 2.1586
242     CH CH2 CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
243     CH CH CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
244    
245    
246     //Charmm
247     //Atom1 Atom2 Atom3 Atom4 Charmm Kchi n delta [Kchi n delta]
248     //V_Charmm = Kchi(1 + cos(n(chi) - delta))
249     //Kchi: kcal/mole
250     //n: multiplicity
251     //delta: degrees
252     //in some cases, a Charmm may have two or three terms. If n is equal to 0, it falls back to harmonic form
253    
254     //Quartic
255     //Atom1 Atom2 Atom3 Atom4 Quartic k4 k3 k2 k1 k0 ( all are kcal/mol )
256     //V_Quartic = k4(cos phi)^4 + k3(cos phi)^3 + k2(cos phi)^2 + k1(cos phi) + k0
257    
258     //Polynomial
259     //Atom1 Atom2 Atom3 Atom4 Polynomial i Ki [j Kj]
260     //VPolynomial = Ki (cos phi)^i + ... + Kj (cos phi)^j
261    
262     end TorsionTypes
263    
264     begin SCAtomTypes
265     // Name epsilon(eV) c m n alpha(angstroms)
266     Ni 0.0073767 84.745 5.0 10.0 3.5157
267     Cu 0.0057921 84.843 5.0 10.0 3.6030
268     Rh 0.0024612 305.499 5.0 13.0 3.7984
269     Pd 0.0032864 148.205 6.0 12.0 3.8813
270     Ag 0.0039450 96.524 6.0 11.0 4.0691
271     Ir 0.0037674 224.815 6.0 13.0 3.8344
272     Pt 0.0097894 71.336 7.0 11.0 3.9163
273     Au 0.0078052 53.581 8.0 11.0 4.0651
274     end SCAtomTypes
275