Rh6 Sn18 Tb5 Miraglia S, Hodeau J, de Bergevin F, Marezio M, Espinosa G Acta Crystallographica B43 (1987) 76-83 Structural studies by electron and X-ray diffraction of the disordered phases II':(Sn$/1-XtbX)Tb4Rh6Sn18 And (Sn$/1-XdyX)Dy4Os6Sn18 _cod_database_code 1008325 _database_code_amcsd 0016240 13.772 13.772 27.544 90 90 90 I4_1/acd atom x y z occ Tb1 0 0 .25 Tb2 .1380 .1364 -.0685 Sn1 .0850 .0898 .0438 Sn2 .179 .179 .25 Sn3 .331 .331 .25 Sn4 .3231 .0115 .0870 Sn5 -.005 .3271 .0875 Sn6 .25 .205 .125 .8 Rh1 0 0 .1225 Rh2 .245 .002 0