8 Lattice=" 5.43856 0 0 -0.00547847 5.34673 0 -0.0698619 0.130192 5.52638 " Si -0.0176967 -0.0436428 -0.0335652 Si 1.35227 1.24207 1.37266 Si -0.0530244 2.758 2.7242 Si 1.3158 4.14206 3.88387 Si 2.73162 0.06568590000000001 2.694 Si 4.07939 1.42095 3.99542 Si 2.69114 2.74306 -0.00706676 Si 4.05369 4.20359 1.27338