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=-8.94548108933 stress="-0.994620624649593 0.07436591411724609 -0.34516560587399536 0.07436591411724609 -0.9152956924893736 -0.23885756370840205 -0.34516560587399536 -0.23885756370840205 -1.0003226514454366" pbc="F F F" Si -0.14459490 0.11115480 0.11044915 -2.66638760 -2.47606856 -3.57667016 Si 1.70960170 1.31143450 -0.16166483 1.30792240 0.82777814 -0.54870663 Si 1.28829595 -0.16490224 1.64041416 2.32723374 -1.22088137 2.22560077 Si -0.22187219 1.51878885 1.32834452 -0.96876855 2.86917179 1.89977602