La2 O9 Si Ti2 Benbertal D, Mosset A, Trombe J Materials Research Bulletin 29 (1994) 47-54 Synthese et structure cristalline d'un nouveau silicate de lanthane et de titane _cod_database_code 1008953 _database_code_amcsd 0016819 17.02899 5.7415 7.631 90 111.221 90 C2/m atom x y z La1 .21084 0 .30163 La2 .39449 .5 .30461 Ti1 .5 .2581 0 Ti2 .41795 0 .5494 Si1 .3388 0 .0201 O1 .3832 .2447 -.0119 O2 .2455 0 .868 O3 .3463 0 .2366 O4 .3397 .2388 .5179 O5 .5250 .5 .1791 O6 .5 .2208 .5 O7 .4728 0 .8149