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:forces:R:3 energy=-3.1126772847 stress="3.7880908775444415 -0.5514856141834136 0.3465897308483596 -0.5514856141834136 -2.2108560952426193 1.0017266705208625 0.3465897308483596 1.0017266705208625 -4.689905231905022" pbc="F F F" O -0.01264569 -0.07700850 -0.09301634 4.35371869 -2.57357913 -3.48916790 Si 1.68107110 1.32825321 0.13102478 -3.83357566 6.13395431 -10.36667884 Si 1.59995250 0.26120756 1.51193751 -7.10512147 -5.25836492 9.20455278 O 0.25226748 1.46431997 1.54396501 6.58497845 1.69798974 4.65129396