Sodalite Han S, Smith J V, Pluth J J, Richardson J W European Journal of Mineralogy 2 (1990) 787-798 Crystal structure of MAPO-20 sodalite: theoretical analysis of three-color ordering of Mg, Al and P in a sodalite unit Sample: Neutron refinement at T = 295 K _database_code_amcsd 0006396 9.0551 9.0551 9.0551 90 90 90 P-43n atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) P .25 .5 0 .037 .0020 .0540 .0540 0 0 0 Al .25 0 .5 .026 .0170 .0310 .0310 0 0 0 O .0068 .6578 .6384 .088 .1670 .0470 .0500 -.0210 .0200 .0110