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lammps/examples/USER/phonon/1-1D-mono/data.pos

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16x1x1 (001) layers of simple cubic lattice
16 atoms
16 bonds
1 atom types
1 bond types
0.00000000 16.00000000 xlo xhi
-1.00000000 1.00000000 ylo yhi
-0.00010000 0.00010000 zlo zhi
Atoms
1 1 1 0.00000000 0.00000000 0.00000000
2 1 1 1.00000000 0.00000000 0.00000000
3 1 1 2.00000000 0.00000000 0.00000000
4 1 1 3.00000000 0.00000000 0.00000000
5 1 1 4.00000000 0.00000000 0.00000000
6 1 1 5.00000000 0.00000000 0.00000000
7 1 1 6.00000000 0.00000000 0.00000000
8 1 1 7.00000000 0.00000000 0.00000000
9 1 1 8.00000000 0.00000000 0.00000000
10 1 1 9.00000000 0.00000000 0.00000000
11 1 1 10.00000000 0.00000000 0.00000000
12 1 1 11.00000000 0.00000000 0.00000000
13 1 1 12.00000000 0.00000000 0.00000000
14 1 1 13.00000000 0.00000000 0.00000000
15 1 1 14.00000000 0.00000000 0.00000000
16 1 1 15.00000000 0.00000000 0.00000000
Bonds
1 1 1 2
2 1 2 3
3 1 3 4
4 1 4 5
5 1 5 6
6 1 6 7
7 1 7 8
8 1 8 9
9 1 9 10
10 1 10 11
11 1 11 12
12 1 12 13
13 1 13 14
14 1 14 15
15 1 15 16
16 1 16 1
Bond Coeffs
1 0.5 1.0
Masses
1 1.0