La2CO5 Attfield J, Ferey G Journal of Solid State Chemistry 82 (1989) 132-138 Structure determination of La2O2CO3-II and the unusual disordered phase La2O2.52(CO3)0.74Li0.52 using powder diffraction _cod_database_code 1000463 _database_code_amcsd 0013662 4.0755 4.0755 15.957 90 90 120 P6_3/mmc atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) La1 1/3 2/3 .09570 .224 .224 .336 .112 0 0 O1 1/3 2/3 .5577 O2 0 0 .1786 C .040 .08 .25 1/3 O3 .235 .47 .25 1/3