Mo3 O25 P5.8 Si2 Tl 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 1001853 _database_code_amcsd 0009804 8.2832 8.2832 17.4343 90 90 120 P-31c atom x y z occ Mo1 1/3 -.3333 .02220 Mo2 -.3333 1/3 .25 Tl1 1/3 -.3333 .25 P1 .37818 .32978 .11045 .97 Si1 0 0 .09101 O1 .11354 -.40731 .09473 O2 -.19013 .24785 .45347 O3 .46868 .33401 .18721 O4 0 0 0 O5 .03358 -.16436 .12344