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=7.29069734909 stress="-1.0423828680716862 0.04954402782319448 -0.05292804127263487 0.04954402782319448 -0.9432385901298871 -0.028945123544454558 -0.05292804127263487 -0.028945123544454558 -1.0220577531629893" pbc="F F F" Si -0.17769156 -0.08950840 -0.27713580 -1.82795518 -1.70088702 -1.93442478 Si 1.43858073 1.25205420 0.15488783 2.30939768 1.92063752 -1.77695354 Si 1.55988540 -0.29754255 1.66431082 1.47744142 -1.95128513 1.84609784 Si -0.18574270 1.48844065 1.53277713 -1.95888392 1.73153462 1.86528049