GdSi Nagaki D A, Simon A Acta Crystallographica C46 (1990) 1197-1199 Structure of gadolinium monosilicide _database_code_amcsd 0010153 7.973 3.858 5.753 90 90 90 Pnma atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Gd .1791 .25 .3857 .0023 .0069 .0064 .0000 -.0004 .0000 Si .5371 .25 .6269 .0062 .0079 .0079 .0000 .0015 .0000