About Atomic Structure File Conversion Software

LAMMPS LAMMPS Beginners
1

Is there software that can convert the atomic structure writing of the following lammps.dat file used in lammps to a .xyz file?

.dat
0.00000000e+00 2.64355335e+01 xlo xhi
0.00000000e+00 5.29709900e+00 ylo yhi
0.00000000e+00 2.54652939e+01 zlo zhi
0.00000000e+00 1.04208143e+01 0.00000000e+00 xy xz yz

Atoms

   1        1  5.449230e+00  4.336078e+00  1.272895e+01
   2        2  5.480979e+00  8.529571e-01  1.260544e+01
   3        2  4.470040e+00  4.438328e+00  1.010232e+01

.xyz
Si 0.222432673 4.336077926 13.84452182
C 0.298591826 0.852957123 13.74224196
C 0.310974039 4.438328151 11.0427127

2

Have a look at Atomsk.

3

You can do it with LAMMPS itself - see read_data and write_dump commands.
Alternatively, VMD with TopoTools plugin can do it as well.