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=0.531349931191 stress="-1.8943798090825836 0.44585109528153355 -0.6665160681834712 0.44585109528153355 -1.8898213518976337 -0.11257880968943776 -0.6665160681834712 -0.11257880968943776 -2.246950218822822" pbc="F F F" O 0.12036030 -0.04368752 0.24843919 -2.46724269 -2.48604845 -3.39743732 Si 1.64432661 1.26023492 0.24849743 0.77177299 1.94225547 -2.95820018 Si 1.75911890 0.19019325 1.69877714 3.90972498 -2.87487558 4.39837526 O 0.10881314 1.63250256 1.60031152 -2.21425528 3.41866856 1.95726225