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=-6.82588642991 stress="3.8383402434567198 -0.4556138616937935 0.3807058671125044 -0.4556138616937935 -2.0507360578267817 0.8062937426980238 0.3807058671125044 0.8062937426980238 -4.37174417147056" pbc="F F F" O -0.01264569 -0.07700850 -0.09301634 4.58553538 -2.45610349 -3.35465286 Si 1.68107110 1.32825321 0.13102478 -4.00027373 5.39471432 -9.53738545 Si 1.59995250 0.26120756 1.51193751 -7.04233771 -4.75588098 8.24348355 O 0.25226748 1.46431997 1.54396501 6.45707606 1.81727015 4.64855476