45 Si F_4 & I(-4)3m-T_d^3 #197 & cI10 & Wyckoff, Vol. II, p 127 Si 0.00000000 0.00000000 0.00000000 F 0.89265000 0.89265000 0.89265000 F 0.89265000 -0.89265000 -0.89265000 F -0.89265000 0.89265000 -0.89265000 F -0.89265000 -0.89265000 0.89265000 Si 5.41000000 0.00000000 0.00000000 F 6.30265000 0.89265000 0.89265000 F 6.30265000 -0.89265000 -0.89265000 F 4.51735000 0.89265000 -0.89265000 F 4.51735000 -0.89265000 0.89265000 Si 0.00000000 5.41000000 0.00000000 F 0.89265000 6.30265000 0.89265000 F 0.89265000 4.51735000 -0.89265000 F -0.89265000 6.30265000 -0.89265000 F -0.89265000 4.51735000 0.89265000 Si 0.00000000 0.00000000 5.41000000 F 0.89265000 0.89265000 6.30265000 F 0.89265000 -0.89265000 4.51735000 F -0.89265000 0.89265000 4.51735000 F -0.89265000 -0.89265000 6.30265000 Si 2.70500000 2.70500000 2.70500000 F 3.59765000 3.59765000 3.59765000 F 3.59765000 1.81235000 1.81235000 F 1.81235000 3.59765000 1.81235000 F 1.81235000 1.81235000 3.59765000 Si 5.41000000 5.41000000 0.00000000 F 6.30265000 6.30265000 0.89265000 F 6.30265000 4.51735000 -0.89265000 F 4.51735000 6.30265000 -0.89265000 F 4.51735000 4.51735000 0.89265000 Si 5.41000000 0.00000000 5.41000000 F 6.30265000 0.89265000 6.30265000 F 6.30265000 -0.89265000 4.51735000 F 4.51735000 0.89265000 4.51735000 F 4.51735000 -0.89265000 6.30265000 Si 0.00000000 5.41000000 5.41000000 F 0.89265000 6.30265000 6.30265000 F 0.89265000 4.51735000 4.51735000 F -0.89265000 6.30265000 4.51735000 F -0.89265000 4.51735000 6.30265000 Si 5.41000000 5.41000000 5.41000000 F 6.30265000 6.30265000 6.30265000 F 6.30265000 4.51735000 4.51735000 F 4.51735000 6.30265000 4.51735000 F 4.51735000 4.51735000 6.30265000 **************************************** Primitive vectors a(1) = -2.70500000 2.70500000 2.70500000 a(2) = 2.70500000 -2.70500000 2.70500000 a(3) = 2.70500000 2.70500000 -2.70500000 Volume = 79.17021050 Reciprocal vectors b(1) = 0.00000000 0.18484288 0.18484288 b(2) = 0.18484288 0.00000000 0.18484288 b(3) = 0.18484288 0.18484288 0.00000000 Basis Vectors: Atom Lattice Coordinates Cartesian Coordinates Si 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 F 0.33000000 0.33000000 0.33000000 0.89265000 0.89265000 0.89265000 F -0.33000000 0.00000000 0.00000000 0.89265000 -0.89265000 -0.89265000 F 0.00000000 -0.33000000 0.00000000 -0.89265000 0.89265000 -0.89265000 F 0.00000000 0.00000000 -0.33000000 -0.89265000 -0.89265000 0.89265000