8 Lattice=" 5.45078 0 0 0.124172 5.56718 0 -0.0770044 0.0388551 5.42613 " Si -0.041219 -0.09107999999999999 -0.141264 Si 1.43794 1.32483 1.35293 Si -0.00716544 2.71531 2.76218 Si 1.33045 4.09617 4.06457 Si 2.76499 -0.0409375 2.74385 Si 3.91349 1.4388 4.06995 Si 2.74821 2.70058 0.127143 Si 4.06928 4.06454 1.39302