Mg2PtSi Range K J, Rau F, Klement U Acta Crystallographica C46 (1990) 1092-1093 Dimagnesium platinum silicon _database_code_amcsd 0010146 4.254 4.254 8.542 90 90 120 P6_3/mmc atom x y z Uiso Mg 1/3 2/3 .5782 .038 Pt 1/3 2/3 .25 .0085 Si 0 0 .25 .019