Mo3 O25 P5.8 Rb Si2 Leclaire A, Monier J, Raveau B Acta Crystallographica B40 (1984) 180-185 A molybdosilicophosphate with an intersecting - tunnel structure, which exhibits ion - exchange properties, a Mo3 P5.8 Si2 O25 (A = Rb, Tl) _cod_database_code 1001852 _database_code_amcsd 0009803 8.2905 8.2905 17.4390 90 90 120 P-31c atom x y z occ Mo1 1/3 -.3333 .02239 Mo2 -.3333 1/3 .25 Rb1 1/3 -.3333 .25 P1 .37854 .32971 .11067 .97 Si1 0 0 .09078 O1 .11371 -.40782 .09504 O2 -.18867 .24728 .45370 O3 .46868 .33401 .18721 O4 0 0 0 O5 .03300 -.16308 .12389