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root/group/trunk/OOPSE-4/forceFields/MnM.frc
Revision: 3434
Committed: Wed Jul 16 02:06:45 2008 UTC (16 years ago) by gezelter
File size: 16357 byte(s)
Log Message:
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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 chuckv 3412
13 gezelter 3434 begin BaseAtomTypes
14 chuckv 3156 //Name mass (amu)
15     CH4 16.05
16     CH3 15.04
17     CH2 14.03
18 chuckv 3405 CH 13.02
19 chuckv 3431 // Aromatic CH as in benzene
20     CHar 13.02
21     //
22     RCHar 12.0107
23 chuckv 3412 // CH3 (sp3) thiol/sulfide/disulfide
24     CH3S 15.04
25     // CH2 (sp3) thiol/sulfide/disulfide
26     CH2S 14.03
27     //CH (sp3) all other/thiol
28     CHS 13.02
29     //C (sp3) all other/thiol
30     CS 12.0107
31     // sulfone
32     SYZ 32.0655
33     // O in sulfone
34 chuckv 3414 //OY
35 chuckv 3412 // thiol S
36     SH 32.0655
37     //Thiol H
38     HS 1.0079
39 chuckv 3414 //Thiol S
40     S 32.0655
41 chuckv 3412 // Sulfoxide
42     SZ 32.0655
43     // Sulfur in disulfide
44     SS 32.0655
45     // Sulfur in aromatic (thiophene)
46     SP 32.0655
47     // sp2 carbon in thiophene
48     CS 12.0107
49     // Sulfur attached to gold
50     SAu 228.9807
51    
52 chuckv 3431
53 chuckv 3412 //Water
54 chuckv 3156 SSD 18.0153
55     SSD1 18.0153
56     SSD_E 18.0153
57     SSD_RF 18.0153
58     O_TIP3P 15.9994
59     O_TIP4P 15.9994
60     O_TIP4P-Ew 15.9994
61     O_TIP5P 15.9994
62     O_TIP5P-E 15.9994
63     O_SPCE 15.9994
64     O_SPC 15.9994
65     H_TIP3P 1.0079
66     H_TIP4P 1.0079
67     H_TIP4P-Ew 1.0079
68     H_TIP5P 1.0079
69     H_SPCE 1.0079
70     H_SPC 1.0079
71     EP_TIP4P 0.0
72     EP_TIP4P-Ew 0.0
73     EP_TIP5P 0.0
74 chuckv 3412
75     //Standard Atoms
76 chuckv 3156 C 12.0107
77     S 32.0655
78     Ni 58.710
79     Cu 63.550
80     Rh 102.90550
81     Pd 106.42
82     Ag 107.8682
83     Ir 192.217
84     Pt 195.09
85     Au 196.97
86 gezelter 3434 end BaseAtomTypes
87    
88     begin AtomTypes
89 chuckv 3156 end AtomTypes
90    
91     begin DirectionalAtomTypes
92     //Name I_xx I_yy I_zz (All moments in (amu*Ang^2)
93     SSD 1.7696 0.6145 1.1550
94     SSD1 1.7696 0.6145 1.1550
95     SSD_E 1.7696 0.6145 1.1550
96     SSD_RF 1.7696 0.6145 1.1550
97     end DirectionalAtomTypes
98    
99    
100     begin LennardJonesAtomTypes
101     //Name epsilon sigma
102     SSD 0.152 3.051
103     SSD1 0.152 3.016
104     SSD_E 0.152 3.035
105     SSD_RF 0.152 3.019
106     O_TIP3P 0.1521 3.15061
107     O_TIP4P 0.1550 3.15365
108     O_TIP4P-Ew 0.16275 3.16435
109     O_TIP5P 0.16 3.12
110     O_TIP5P-E 0.178 3.097
111     O_SPCE 0.15532 3.16549
112     O_SPC 0.15532 3.16549
113 chuckv 3412 // From TraPPE-UA JPCB, 109, 24100 and JCPB 102,2569
114     CH4 0.2941 3.73
115     CH3 0.1947 3.75
116     CH2 0.09140 3.95
117     CH 0.0987 4.68
118     CS 0.0009935 6.40
119     CH3S 0.1947 3.75
120     CH2S 0.09140 3.95
121     CHS 0.0987 4.68
122 chuckv 3431 // From CPC 177 2007 S-S distance on gold surfaces is 4.45
123     S 0.3954 4.45
124 chuckv 3412 SH 0.4610 3.62
125     SS 0.3279 3.72
126     SP 0.3576 3.60
127 chuckv 3431 //From TraPPE-UA JPCB 104, 8008
128     CHar 0.1003 3.695
129     RCHar 0.04173 3.88
130 chuckv 3414 // ---- End From TraPPE-UA
131 chuckv 3431
132 chuckv 3156 end LennardJonesAtomTypes
133    
134 chuckv 3161 begin SCAtomTypes
135     // Name epsilon(eV) c m n alpha(angstroms)
136     Ni 0.0073767 84.745 5.0 10.0 3.5157
137     Cu 0.0057921 84.843 5.0 10.0 3.6030
138     Rh 0.0024612 305.499 5.0 13.0 3.7984
139     Pd 0.0032864 148.205 6.0 12.0 3.8813
140     Ag 0.0039450 96.524 6.0 11.0 4.0691
141     Ir 0.0037674 224.815 6.0 13.0 3.8344
142     Pt 0.0097894 71.336 7.0 11.0 3.9163
143     Au 0.0078052 53.581 8.0 11.0 4.0651
144     end SCAtomTypes
145    
146    
147     // Metal non-metal interactions.
148     // Format: Metal Atom Type, Non-Metal Atom Type, Interaction Type, Interaction Parameters
149     // Where interaction type can be: MAW, LennardJones or ShiftedMorse or RepulsiveMorse
150     begin MetalNonMetalInteractions
151    
152     //MAW (Metal Angular Water section)
153 chuckv 3392 // r_e, D_e beta ca1 cb1
154     Cu SSD_E MAW 2.5525 1.9850 1.1680 1.1250 0.750000
155 chuckv 3356 //Au SSD_E MAW 2.8170 1.7850 1.2680 1.2500 0.2050 0.0
156 chuckv 3392 //Au SSD_E MAW 2.7510 2.95 1.101 0.750000 0.750000
157     //1. 1.5 2.6500001 -3.000162356E-2 1.30999744
158 chuckv 3397 //Au SSD_E MAW 2.7 1.06 1.264 0.16 0.8
159     Au SSD_E MAW 2.68 0.6 1.33 0.95 -0.25
160 chuckv 3161
161     //LennardJones
162     // sigma epsilon
163 chuckv 3409 Au CH3 LennardJones 3.54 0.2146
164     Au CH2 LennardJones 3.54 0.1749
165 chuckv 3431 //Au SH LennardJones 2.40 8.465
166     Au S LennardJones 2.40 8.465
167 chuckv 3161
168     //Shifted Morse
169     // r0 D0 beta0
170 chuckv 3356 Au O_SPCE ShiftedMorse 3.70 0.0424 0.769
171 chuckv 3161
172     //Repulsive Morse
173     // r0 D0 beta0
174 chuckv 3356 Au H_SPCE RepulsiveMorse -1.00 0.00850 0.769
175 chuckv 3161
176    
177     end MetalNonMetalInteractions
178    
179    
180 chuckv 3156 begin ChargeAtomTypes
181     // Name charge
182     O_TIP3P -0.834
183     O_SPCE -0.8476
184     O_SPC -0.82
185     H_TIP3P 0.417
186     H_TIP4P 0.520
187     H_TIP4P-Ew 0.52422
188     H_TIP5P 0.241
189     H_SPCE 0.4238
190     H_SPC 0.42
191     EP_TIP4P -1.040
192     EP_TIP4P-Ew -1.04844
193     EP_TIP5P -0.241
194     end ChargeAtomTypes
195    
196     begin MultipoleAtomTypes
197     // OOPSE currently only supports charge-charge, charge-dipole,
198     // dipole-dipole, and charge-quadrupole interactions.
199     // Dipoles may be either traditional point-dipoles or split-dipoles.
200     // possible formats for a multipolar atom type are:
201     //
202     // Point-dipoles:
203     // name d phi theta psi dipole_moment
204     //
205     // Split-dipoles:
206     // name s phi theta psi dipole_moment splitdipole_distance
207     //
208     // Point-Quadrupoles:
209     // name q phi theta psi Qxx Qyy Qzz
210     //
211     // Atoms with both dipole and quadrupole moments:
212     // name dq phi theta psi dipole_moment Qxx Qyy Qzz
213     //
214     // Atoms with both split dipoles and quadrupole moments:
215     // name sq phi theta psi dipole_moment splitdipole_distance Qxx Qyy Qzz
216     //
217     // Euler angles are given in zxz convention in units of degrees.
218     //
219     // Charges are given in units of electrons.
220     //
221     // Dipoles are given in units of Debyes.
222     //
223     // Split dipole distances are given in units of Angstroms.
224     //
225     // Quadrupole moments are given in units of 10^-26 esu cm^2 (also known as an
226     // esu centi-barn)
227     //
228     SSD_E dq 0.0 0.0 0.0 2.42 -1.682 1.762 -0.08
229     SSD_RF dq 0.0 0.0 0.0 2.48 -1.682 1.762 -0.08
230     SSD dq 0.0 0.0 0.0 2.35 -1.682 1.762 -0.08
231     SSD1 dq 0.0 0.0 0.0 2.35 -1.682 1.762 -0.08
232     end MultipoleAtomTypes
233    
234     begin StickyAtomTypes
235     //name w0 v0 (kcal/mol) v0p rl (Ang) ru rlp rup
236     SSD_E 0.07715 3.90 3.90 2.40 3.80 2.75 3.35
237     SSD_RF 0.07715 3.90 3.90 2.40 3.80 2.75 3.35
238     SSD 0.07715 3.7284 3.7284 2.75 3.35 2.75 4.0
239     SSD1 0.07715 3.6613 3.6613 2.75 3.35 2.75 4.0
240     end StickyAtomTypes
241    
242    
243     begin BondTypes
244    
245     //Atom1 Atom2 Fixed
246     //V_Fixed = 0
247    
248     //Atom1 Atom2 Harmonic b0 Kb (kcal/mol)
249     //V_Harmonic = 0.5*Kb(b- bo)^2
250     //Harmonic Examples
251     CH3 CH3 Harmonic 1.526 260
252     CH3 CH2 Harmonic 1.526 260
253     CH3 CH Harmonic 1.526 260
254     CH2 CH2 Harmonic 1.526 260
255     CH2 CH Harmonic 1.526 260
256     CH CH Harmonic 1.526 260
257 kfletche 3411 // fix the Kb for the thiol below:
258 chuckv 3414 S CH2 Harmonic 1.82 281
259     SH CH2 Harmonic 1.82 281
260 chuckv 3156
261     //Atom1 Atom2 Cubic b0 K3 K2 K1 K0
262     //V_Cubic = K3(b - b0)^3 + K2(b - b0)^2 + K1(b - b0) + K0
263    
264    
265     //Atom1 Atom2 Quartic b0 K4 K3 K2 K1 K0
266     //V_Quartic = K4(b - b0)^4 + K3(b - b0)^3 + K2(b - b0)^2 + K1(b - b0) + K0
267    
268    
269     //Atom1 Atom2 Polynomial b0 i Ki [j Kj]
270     //V_Quartic = Ki(b - b0)^i + Kj(b - b0)^j + ...
271    
272    
273     end BondTypes
274    
275     begin BendTypes
276    
277     //Harmonic
278     //Atom1 Atom2 Atom3 Harmonic Theta0 Ktheta
279     //V_Harmonic = 0.5*Ktheta(Theta - Theta0)^2
280     //Ktheta: kcal/mole/rad**2
281     //Theta0: degrees
282     //Harmonic examples
283     //
284 chuckv 3414 //CH3 CH2 CH3 Harmonic 114.0 117.68
285     //CH3 CH2 CH2 Harmonic 114.0 117.68
286     //CH3 CH2 CH Harmonic 114.0 117.68
287     //CH3 CH CH3 Harmonic 112.0 117.68
288     //CH3 CH CH2 Harmonic 112.0 117.68
289     //CH3 CH CH Harmonic 112.0 117.68
290     //CH2 CH2 CH2 Harmonic 114.0 117.68
291     //CH2 CH2 CH Harmonic 114.0 117.68
292 chuckv 3156 CH2 CH CH2 Harmonic 112.0 117.68
293     CH2 CH CH Harmonic 112.0 117.68
294 chuckv 3414 //CH CH2 CH Harmonic 114.0 117.68
295 chuckv 3156 CH CH CH Harmonic 112.0 117.68
296    
297 chuckv 3414 //From Lubna et al.JPCB 109, 24100 (2005) TraPPE
298     CH3 CH2 SH Harmonic 96.0 67.220
299     CH2 CH2 SH Harmonic 96.0 67.220
300     CH2 CH2 S Harmonic 114.0 124.19
301     CH3 CH2 S Harmonic 114.0 124.19
302     CH3 CH2 CH3 Harmonic 114.0 124.19
303     CH3 CH2 CH2 Harmonic 114.0 124.19
304     CH2 CH2 CH2 Harmonic 114.0 124.19
305     CH3 CH2 CH Harmonic 114.0 124.19
306 chuckv 3156
307 chuckv 3414
308 chuckv 3156 //UreyBradley
309     //Atom1 Atom2 Atom3 UreyBradley Theta0 Ktheta S0 Kub
310     //V_UreyBradleyBend = Ktheta(Theta - Theta0)^2 + Kub(S - S0)^2
311     //Ktheta: kcal/mole/rad**2
312     //Theta0: degrees
313     //Kub: kcal/mole/A**2
314     //S0: A
315    
316     //Cubic
317     //Atom1 Atom2 Atom3 Cubic Theta0 K3 K2 K1 K0
318     //V_Cubic = K3(Theta - Theta0)^3 + K2(Theta - Theta0)^2 + K1(Theta - Theta0) + K0
319    
320     //Quartic
321     //Atom1 Atom2 Atom3 Quartic Theta0 K4 K3 K2 K1 K0
322     //V_Quartic = K4(Theta - Theta0)^4 + K3(Theta - Theta0)^3 + K2(Theta - Theta0)^2 + K1(Theta - Theta0) + K0
323    
324     //Polynomial
325     //Atom1 Atom2 Atom3 Polynomial Theta0 i Ki [j Kj]
326     //V_Polynomial = Ki(Theta - Theta0)^i + Kj(Theta - Theta0)^j + ...
327    
328     end BendTypes
329    
330     begin TorsionTypes
331    
332 kfletche 3411 // All thiol torsions from Kautman and Klein (J. Phys. Chem. 1989, 91, 4994-5001)
333    
334 chuckv 3412 //S CH2 CH2 CH3 Polynomial 0 2.218 1 2.905 2 -3.136 3 -0.7313 4 6.272 5 -7.528
335     //S CH2 CH2 CH2 Polynomial 0 2.218 1 2.905 2 -3.136 3 -0.7313 4 6.272 5 -7.528
336     //S CH2 CH2 CH Polynomial 0 2.218 1 2.905 2 -3.136 3 -0.7313 4 6.272 5 -7.528
337     //S CH2 CH2 C Polynomial 0 2.218 1 2.905 2 -3.136 3 -0.7313 4 6.272 5 -7.528
338 kfletche 3411
339     // All type 1 possibilities from Dubbeldam et al. (J. Phys. Chem. B 2004, 108, 12301-12313)
340    
341 chuckv 3412 //CH3 CH2 CH2 CH3 Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
342     //CH3 CH2 CH2 CH2 Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
343     //CH3 CH2 CH2 CH Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
344     //CH3 CH2 CH2 C Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
345     //CH2 CH2 CH2 CH2 Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
346     //CH2 CH2 CH2 CH Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
347     //CH2 CH2 CH2 C Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
348     //CH CH2 CH2 CH Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
349     //CH CH2 CH2 C Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
350     //C CH2 CH2 C Polynomial 0 2.3939 1 3.871 2 -0.7111 3 -3.864 4 1.4222 5 -3.111
351 kfletche 3411
352     // All type 2 possibilities:
353    
354 chuckv 3412 //H CH CH2 CH3 Polynomial 0 2.7167 1 8.665 2 0.82669 3 -12.92 4 -1.653 5 3.2712
355     //H CH CH2 CH2 Polynomial 0 2.7161 1 8.665 2 0.82669 3 -12.92 4 -1.653 5 3.2712
356     //H CH CH2 CH Polynomial 0 2.7161 1 8.665 2 0.82669 3 -12.92 4 -1.653 5 3.2712
357     //H CH CH2 C Polynomial 0 2.7161 1 8.665 2 0.82669 3 -12.92 4 -1.653 5 3.2712
358 kfletche 3411
359     // All type 3 possibilities:
360    
361 chuckv 3412 //CH3 C CH2 CH3 Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
362     //CH3 C CH2 CH2 Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
363     //CH3 C CH2 CH Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
364     //CH3 C CH2 C Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
365     //CH2 C CH2 CH2 Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
366     //CH2 C CH2 CH Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
367     //CH2 C CH2 C Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
368     //CH C CH2 CH Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
369     //CH C CH2 C Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
370     //C C CH2 C Polynomial 0 2.5701 1 7.710 2 0 3 -10.29 4 0 5 0
371 kfletche 3411
372     // All type 4 possibilities:
373    
374 chuckv 3412 //CH3 C C CH3 Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
375     //CH3 C C CH2 Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
376     //CH3 C C CH Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
377     //CH3 C C C Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
378     //CH2 C C CH2 Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
379     //CH2 C C CH Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
380     //CH2 C C C Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
381     //CH C C CH Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
382     //CH C C C Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
383     //C C C C Polynomial 0 4.0652 1 12.20 2 0 3 -16.26 4 0 5 0
384 kfletche 3411
385     //All type 5 possibilities:
386    
387 chuckv 3412 //CH3 C CH H Polynomial 0 3.1301 1 9.390 2 0 3 -12.52 4 0 5 0
388     //CH2 C CH H Polynomial 0 3.1301 1 9.390 2 0 3 -12.52 4 0 5 0
389     //CH C CH H Polynomial 0 3.1301 1 9.390 2 0 3 -12.52 4 0 5 0
390     //C C CH H Polynomial 0 3.1301 1 9.390 2 0 3 -12.52 4 0 5 0
391 kfletche 3411
392     //All type 6 possibilities:
393    
394 chuckv 3412 //H CH CH H Polynomial 0 2.1706 1 5.609 2 -1.804 3 -5.976 4 3.6089 5 -3.6089
395 kfletche 3411
396 chuckv 3156 //Cubic
397     //Atom1 Atom2 Atom3 Atom4 Cubic k3 k2 k1 k0 ( all are kcal/mol )
398     //V_Cubic = k3(cos phi)^3 + k2(cos phi)^2 + k1(cos phi) + k0
399     //Cubic Examples
400 chuckv 3414 //CH3 CH2 CH2 CH3 Cubic 5.9602 -0.2568 -3.802 2.1586
401 chuckv 3412 CH3 CH2 CH CH3 Cubic 3.3254 -0.4215 -1.686 1.1661
402     CH3 CH CH CH3 Cubic 3.3254 -0.4215 -1.686 1.1661
403 chuckv 3414 //CH3 CH2 CH2 CH2 Cubic 5.9602 -0.2568 -3.802 2.1586
404 chuckv 3412 CH3 CH2 CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
405     CH3 CH CH2 CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
406     CH3 CH CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
407 chuckv 3414 //CH3 CH2 CH2 CH Cubic 5.9602 -0.2568 -3.802 2.1586
408 chuckv 3412 CH3 CH2 CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
409     CH3 CH CH2 CH Cubic 3.3254 -0.4215 -1.686 1.1661
410     CH3 CH CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
411 chuckv 3414 //CH2 CH2 CH2 CH2 Cubic 5.9602 -0.2568 -3.802 2.1586
412 chuckv 3412 CH2 CH2 CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
413     CH2 CH CH CH2 Cubic 3.3254 -0.4215 -1.686 1.1661
414     CH2 CH2 CH2 CH Cubic 5.9602 -0.2568 -3.802 2.1586
415     CH2 CH2 CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
416     CH2 CH CH2 CH Cubic 3.3254 -0.4215 -1.686 1.1661
417     CH2 CH CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
418     CH CH2 CH2 CH Cubic 5.9602 -0.2568 -3.802 2.1586
419     CH CH2 CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
420     CH CH CH CH Cubic 3.3254 -0.4215 -1.686 1.1661
421 chuckv 3414 //S CH2 CH2 CH2 Cubic 5.9602 -0.2568 -3.802 2.1586
422 chuckv 3156
423 chuckv 3412 //Opls
424 gezelter 3413 //Atom1 Atom2 Atom3 Atom4 Opls v1 v2 v3
425     //V_Opls = v1 / 2 * [1 + cos(phi)] + v2 / 2 * [1 - cos(2*phi)] + v3 / 2 * [1 + cos(3*phi)]
426 chuckv 3412 //units for v_n: kcal / mol
427    
428 chuckv 3414
429 gezelter 3413 //Trappe
430     //Atom1 Atom2 Atom3 Atom4 Trappe c0 c1 c2 c3
431     //V_Opls = c0 + c1 * [1 + cos(phi)] + c2 * [1 - cos(2*phi)] + c3 * [1 + cos(3*phi)]
432     //units for c_n: kcal / mol
433 chuckv 3412
434 chuckv 3414 //From Martin et al. JPCB 120, 2569 (1998)
435     CH3 CH2 CH2 CH3 Trappe 0.0 0.70544 -0.13549 1.5723
436     CH3 CH2 CH2 CH2 Trappe 0.0 0.70544 -0.13549 1.5723
437     CH3 CH2 CH2 CH Trappe 0.0 0.70544 -0.13549 1.5723
438     CH2 CH2 CH2 CH2 Trappe 0.0 0.70544 -0.13549 1.5723
439    
440    
441     //From Lubna et al.JPCB 109, 24100 (2005)
442     CH3 CH2 CH2 SH Trappe 0.10507 -0.10342 0.036680 0.60874
443     CH2 CH2 CH2 SH Trappe 0.10507 -0.10342 0.036680 0.60874
444 chuckv 3428 // Thiol attached to a metal surface.
445     CH3 CH2 CH2 S Trappe 0.10507 -0.10342 0.036680 0.60874
446     CH2 CH2 CH2 S Trappe 0.10507 -0.10342 0.036680 0.60874
447 chuckv 3414 CH3 CH2 S CH2 Trappe 0.0 0.73041 -0.53685 1.1557
448     CH2 CH2 S CH2 Trappe 0.0 0.73041 -0.53685 1.1557
449     CH CH2 S CH2 Trappe 0.0 0.73041 -0.53685 1.1557
450     CH2 S S CH2 Trappe 3.5049 0.79083 -4.3348 1.003932
451     CH3 S S CH3 Trappe 3.5049 0.79083 -4.3348 1.003932
452     CH3 CH2 CH S Trappe -0.49886 0.85189 -0.22225 0.87680
453     CH3 CH2 CH S Trappe -0.49886 0.85189 -0.22225 0.87680
454     CH2 CH2 CH S Trappe -0.49886 0.85189 -0.22225 0.87680
455     CH CH2 CH S Trappe -0.49886 0.85189 -0.22225 0.87680
456     CH3 CH2 C S Trappe 0.0 0.0 0.0 0.91658
457     CH2 CH2 C S Trappe 0.0 0.0 0.0 0.91658
458     CH CH2 C S Trappe 0.0 0.0 0.0 0.91658
459     CH3 CG S H Trappe 0.0 0.0 0.0 0.79480
460 chuckv 3431 //From TraPPE-UA JPCB 104, 8008
461 chuckv 3414
462 chuckv 3156 //Charmm
463     //Atom1 Atom2 Atom3 Atom4 Charmm Kchi n delta [Kchi n delta]
464     //V_Charmm = Kchi(1 + cos(n(chi) - delta))
465     //Kchi: kcal/mole
466     //n: multiplicity
467     //delta: degrees
468     //in some cases, a Charmm may have two or three terms. If n is equal to 0, it falls back to harmonic form
469    
470     //Quartic
471     //Atom1 Atom2 Atom3 Atom4 Quartic k4 k3 k2 k1 k0 ( all are kcal/mol )
472     //V_Quartic = k4(cos phi)^4 + k3(cos phi)^3 + k2(cos phi)^2 + k1(cos phi) + k0
473    
474     //Polynomial
475     //Atom1 Atom2 Atom3 Atom4 Polynomial i Ki [j Kj]
476     //VPolynomial = Ki (cos phi)^i + ... + Kj (cos phi)^j
477    
478 chuckv 3414
479 chuckv 3156 end TorsionTypes
480    
481