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=-6.81252934621 stress="-3.357322583232949 -0.051626352898640815 -0.05937689418968535 -0.051626352898640815 -3.0766887948792108 -0.058029032141131566 -0.05937689418968535 -0.058029032141131566 -2.945853631880756" pbc="F F F" Si -0.14801295 -0.02432459 0.06329927 -4.85568192 -3.71275462 -4.15772528 Si 1.43745442 1.27846858 -0.00548572 3.76423894 4.19758593 -3.34669828 Si 1.34126820 -0.15859300 1.31668137 4.34941785 -4.52668443 3.52672567 Si -0.08013605 1.24396547 1.59073906 -3.25797488 4.04185312 3.97769789