32 Silicon bc8 phase & Space group Ia(-3) (#206) Si .66599000 .66599000 .66599000 Si 7.30599000 .66599000 .66599000 Si 5.97401000 2.65401000 .66599000 Si .66599000 7.30599000 .66599000 Si .66599000 5.97401000 2.65401000 Si .66599000 .66599000 7.30599000 Si 2.65401000 .66599000 5.97401000 Si 3.98599000 3.98599000 3.98599000 Si 2.65401000 2.65401000 2.65401000 Si 3.98599000 2.65401000 5.97401000 Si 2.65401000 3.98599000 .66599000 Si 5.97401000 3.98599000 2.65401000 Si .66599000 2.65401000 3.98599000 Si 2.65401000 5.97401000 3.98599000 Si 3.98599000 .66599000 2.65401000 Si 7.30599000 7.30599000 .66599000 Si 7.30599000 5.97401000 2.65401000 Si 3.98599000 5.97401000 .66599000 Si 7.30599000 .66599000 7.30599000 Si 5.97401000 .66599000 3.98599000 Si 5.97401000 2.65401000 7.30599000 Si 7.30599000 2.65401000 3.98599000 Si .66599000 7.30599000 7.30599000 Si 2.65401000 7.30599000 5.97401000 Si .66599000 3.98599000 5.97401000 Si 3.98599000 7.30599000 2.65401000 Si 2.65401000 3.98599000 7.30599000 Si 7.30599000 7.30599000 7.30599000 Si 5.97401000 5.97401000 5.97401000 Si 5.97401000 7.30599000 3.98599000 Si 3.98599000 5.97401000 7.30599000 Si 7.30599000 3.98599000 5.97401000 **************************************** Primitive vectors a(1) = -3.32000000 3.32000000 3.32000000 a(2) = 3.32000000 -3.32000000 3.32000000 a(3) = 3.32000000 3.32000000 -3.32000000 Volume = 146.37747200 Reciprocal vectors b(1) = .00000000 .15060241 .15060241 b(2) = .15060241 .00000000 .15060241 b(3) = .15060241 .15060241 .00000000 Basis Vectors: Atom Lattice Coordinates Cartesian Coordinates Si .20059940 .20059940 .20059940 .66599000 .66599000 .66599000 Si -.20059940 -.20059940 -.20059940 -.66599000 -.66599000 -.66599000 Si .29940060 .50000000 .00000000 .66599000 -.66599000 2.65401000 Si -.29940060 -.50000000 .00000000 -.66599000 .66599000 -2.65401000 Si .00000000 .29940060 .50000000 2.65401000 .66599000 -.66599000 Si .00000000 -.29940060 -.50000000 -2.65401000 -.66599000 .66599000 Si .50000000 .00000000 .29940060 -.66599000 2.65401000 .66599000 Si -.50000000 .00000000 -.29940060 .66599000 -2.65401000 -.66599000