lammps/examples/reax/AuO/ffield.reax.AuO

106 lines
8.5 KiB
Plaintext

DATE: 2011-02-18 CONTRIBUTOR: Aidan Thompson, athomps@sandia.gov CITATION: Joshi et al, J Mat Chem, 20, 10431-10437 (2010) COMMENT: Reactive MD-force field: Au-Au: Keith, J. A. et al. Phys Rev B 2010, 81, 235404; Joshi, K. et al., J. Mat. Chem 2010, 20, 10431-10437
39 ! Number of general parameters
50.0000 !Overcoordination parameter
9.5469 !Overcoordination parameter
26.5405 !Valency angle conjugation parameter
1.7224 !Triple bond stabilisation parameter
6.8702 !Triple bond stabilisation parameter
60.4850 !C2-correction
1.0588 !Undercoordination parameter
4.6000 !Triple bond stabilisation parameter
12.1176 !Undercoordination parameter
13.3056 !Undercoordination parameter
-60.5044 !Triple bond stabilization energy
0.0000 !Lower Taper-radius
10.0000 !Upper Taper-radius
2.8793 !Not used
33.8667 !Valency undercoordination
6.0891 !Valency angle/lone pair parameter
1.0563 !Valency angle
2.0384 !Valency angle parameter
6.1431 !Not used
6.9290 !Double bond/angle parameter
0.3989 !Double bond/angle parameter: overcoord
3.9954 !Double bond/angle parameter: overcoord
-2.4837 !Not used
5.7796 !Torsion/BO parameter
10.0000 !Torsion overcoordination
1.9487 !Torsion overcoordination
-1.2327 !Conjugation 0 (not used)
2.1645 !Conjugation
1.5591 !vdWaals shielding
0.1000 !Cutoff for bond order (*100)
2.1365 !Valency angle conjugation parameter
0.6991 !Overcoordination parameter
50.0000 !Overcoordination parameter
1.8512 !Valency/lone pair parameter
0.5000 !Not used
20.0000 !Not used
5.0000 !Molecular energy (not used)
0.0000 !Molecular energy (not used)
2.6962 !Valency angle conjugation parameter
3 ! Nr of atoms; cov.r; valency;a.m;Rvdw;Evdw;gammaEEM;cov.r2;#
alfa;gammavdW;valency;Eunder;Eover;chiEEM;etaEEM;n.u.
cov r3;Elp;Heat inc.;n.u.;n.u.;n.u.;n.u.
ov/un;val1;n.u.;val3,vval4
H 0.8930 1.0000 1.0080 1.3550 0.0930 0.8203 -0.1000 1.0000
8.2230 33.2894 1.0000 0.0000 121.1250 3.7248 9.6093 1.0000
-0.1000 0.0000 61.6606 3.0408 2.4197 0.0003 1.0698 0.0000
-19.4571 4.2733 1.0338 1.0000 2.8793 0.0000 0.0000 0.0000
O 1.2450 2.0000 15.9990 2.3890 0.1000 1.0898 1.0548 6.0000
9.7300 13.8449 4.0000 37.5000 116.0768 8.5000 8.3122 2.0000
0.9049 0.4056 59.0626 3.5027 0.7640 0.0021 0.9745 0.0000
-3.5500 2.9000 1.0493 4.0000 2.9225 0.0000 0.0000 0.0000
Au 2.0074 1.0000 196.9665 2.1413 0.3730 0.9623 -1.0000 1.0000
12.1061 2.1635 1.0000 0.0000 0.0000 6.0000 5.6481 0.0000
-1.0000 0.0000 92.5070 6.2293 5.2294 0.1542 0.8563 0.0000
-24.8303 2.9867 1.0338 6.2998 2.5791 0.0000 0.0000 0.0000
6 ! Nr of bonds; Edis1;LPpen;n.u.;pbe1;pbo5;13corr;pbo6
pbe2;pbo3;pbo4;n.u.;pbo1;pbo2;ovcorr
1 1 153.3934 0.0000 0.0000 -0.4600 0.0000 1.0000 6.0000 0.7300
6.2500 1.0000 0.0000 1.0000 -0.0790 6.0552 0.0000 0.0000
2 2 142.2858 145.0000 50.8293 0.2506 -0.1000 1.0000 29.7503 0.6051
0.3451 -0.1055 9.0000 1.0000 -0.1225 5.5000 1.0000 0.0000
1 2 160.0000 0.0000 0.0000 -0.5725 0.0000 1.0000 6.0000 0.5626
1.1150 1.0000 0.0000 0.0000 -0.0920 4.2790 0.0000 0.0000
1 3 100.1691 0.0000 0.0000 -0.2641 0.0000 1.0000 6.0000 0.1273
8.0163 1.0000 0.0000 1.0000 -0.1717 9.3297 0.0000 0.0000
2 3 120.1812 0.0000 0.0000 -0.0090 -0.2000 1.0000 16.0000 0.1884
0.0577 -0.2000 15.0000 1.0000 -0.1541 6.1034 1.0000 0.0000
3 3 142.6814 0.0000 0.0000 -0.0100 -0.2000 0.0000 16.0000 0.3663
0.2903 -0.2000 15.0000 1.0000 -0.1517 5.2066 0.0000 0.0000
3 ! Nr of off-diagonal terms; Ediss;Ro;gamma;rsigma;rpi;rpi2
1 2 0.0283 1.2885 10.9190 0.9215 -1.0000 -1.0000
1 3 0.1644 1.3669 12.0930 1.7000 -1.0000 -1.0000
2 3 0.1645 1.8867 9.8430 1.6576 -1.0000 -1.0000
17 ! Nr of angles;at1;at2;at3;Thetao,o;ka;kb;pv1;pv2;val(bo)
1 1 1 0.0000 27.9213 5.8635 0.0000 0.0000 0.0000 1.0400
2 2 2 80.7324 30.4554 0.9953 0.0000 1.6310 50.0000 1.0783
1 2 2 75.6935 50.0000 2.0000 0.0000 1.0000 0.0000 1.1680
1 2 1 85.8000 9.8453 2.2720 0.0000 2.8635 0.0000 1.5800
2 1 2 0.0000 15.0000 2.8900 0.0000 0.0000 0.0000 2.8774
1 1 2 0.0000 8.5744 3.0000 0.0000 0.0000 0.0000 1.0421
1 1 3 0.0000 1.0000 1.0000 0.0000 1.0001 0.0000 1.2500
1 3 1 90.0000 20.0000 1.0000 0.0000 1.0000 0.0000 1.2500
3 1 3 0.0000 10.0000 1.0000 0.0000 1.0000 0.0000 1.2500
1 3 3 80.0000 10.0000 1.0000 0.0000 1.0000 0.0000 1.2500
1 2 3 70.0000 10.0000 1.0000 0.0000 1.0500 0.0000 1.2500
2 1 3 0.0000 5.0000 2.0000 0.0000 1.0000 0.0000 1.2500
1 3 2 30.0000 10.0000 2.0000 0.0000 1.0000 0.0000 1.2500
2 2 3 80.3915 36.3302 1.5083 0.0000 1.0000 0.0000 1.5506
2 3 2 14.1302 7.6175 6.2730 0.0000 0.5000 0.0000 1.0917
3 2 3 0.1000 2.8512 8.0000 0.0000 0.5000 0.0000 1.0000
2 3 3 6.7044 15.5303 0.5696 0.0000 0.1000 0.0000 1.5220
9 ! Nr of torsions;at1;at2;at3;at4;;V1;V2;V3;V2(BO);vconj;n.u;n
1 2 2 1 2.5000 -4.0000 0.9000 -2.5000 -1.0000 0.0000 0.0000
1 2 2 2 0.8302 -4.0000 -0.7763 -2.5000 -1.0000 0.0000 0.0000
2 2 2 2 -2.5000 -4.0000 1.0000 -2.5000 -1.0000 0.0000 0.0000
0 1 1 0 0.0000 0.0000 0.0000 0.0000 -1.2327 0.0000 0.0000
0 1 2 0 0.0000 0.1000 0.0200 -2.5415 -1.2327 0.0000 0.0000
0 2 2 0 0.5511 25.4150 1.1330 -5.1903 -1.0000 0.0000 0.0000
1 2 3 3 0.0000 0.0100 0.0100 -5.0000 0.0000 0.0000 0.0000
1 2 2 3 0.0000 0.0000 0.0000 -5.0000 0.0000 0.0000 0.0000
3 2 2 3 0.0000 0.0000 0.0000 -5.0000 0.0000 0.0000 0.0000
1 ! Nr of hydrogen bonds;at1;at2;at3;Rhb;Dehb;vhb1
2 1 2 2.1200 -3.5800 1.4500 19.5000