LAMMPS data file. C2_test.

 20 atoms
 10 bonds
 0 angles
 0 dihedrals
 0 impropers
 
 1 atom types
 1 bond types
 0 angle types
 0 dihedral types
 0 improper types
 0.0000 50  xlo xhi
 0.0000 50  ylo yhi
 0.0000 50  zlo zhi

 Masses

 1 15.035000 # CH3(sp3)

 Pair Coeffs	
 
 1 0.00844 3.7500   # CH3(sp3)

 Bond Coeffs
 
 1 13.44 1.54	# CH3-CH3
 
 Atoms 

1	1	1	0	2.22600000000000	1.00100000000000	1.00100000000000
2	1	1	0	1.00100000000000	1.90600000000000	1.26200000000000
3	2	1	0	12.2280000000000	1.00100000000000	1.00100000000000
4	2	1	0	11.0030000000000	1.90600000000000	1.26200000000000
5	3	1	0	17.2290000000000	1.00100000000000	1.00100000000000
6	3	1	0	16.0040000000000	1.90600000000000	1.26200000000000
7	4	1	0	22.2300000000000	1.00100000000000	1.00100000000000
8	4	1	0	21.0050000000000	1.90600000000000	1.26200000000000
9	5	1	0	27.2310000000000	1.00100000000000	1.00100000000000
10	5	1	0	26.0060000000000	1.90600000000000	1.26200000000000
11	6	1	0	32.2320000000000	1.00100000000000	1.00100000000000
12	6	1	0	31.0070000000000	1.90600000000000	1.26200000000000
13	7	1	0	37.2330000000000	1.00100000000000	1.00100000000000
14	7	1	0	36.0080000000000	1.90600000000000	1.26200000000000
15	8	1	0	42.2340000000000	1.00100000000000	1.00100000000000
16	8	1	0	41.0090000000000	1.90600000000000	1.26200000000000
17	9	1	0	2.22600000000000	6.80200000000000	1.00100000000000
18	9	1	0	1.00100000000000	7.70700000000000	1.26200000000000
19	10	1	0	12.2280000000000	6.80200000000000	1.00100000000000
20	10	1	0	11.0030000000000	7.70700000000000	1.26200000000000

 Bonds

1	1	1	2
2	1	3	4
3	1	5	6
4	1	7	8
5	1	9	10
6	1	11	12
7	1	13	14
8	1	15	16
9	1	17	18
10	1	19	20