4
Lattice="3.0 0.0 0.0 0.0 3.0 0.0 0.0 0.0 3.0" Properties=species:S:1:pos:R:3:Z:I:1:forces:R:3 energy=1.11018502988 pbc="T T F"
C       0.23211146       0.03174417      -0.00842802        6      -4.98967660      -1.05852604      -5.19375451 
Si       1.54737131       1.53238783       0.28935443       14      13.06738533       8.53883502     -25.71358939 
C       1.36810690       0.08143681       1.25818085        6       8.79252098     -12.71304378       6.03929626 
Si       0.21712936       1.13641586       1.71456242       14     -16.87022972       5.23273480      24.86804764