Cu2 La1.9 O5.95 Sr1.1 Nguyen N, Er-Rakho L, Michel C, Choisnet J, Raveau B Materials Research Bulletin 15 (1980) 891-897 Intercroissance de feuilletes "Perovskites lacunaires" et de feuillets type chlorure de sodium: les oxydes La2-x A1+x Cu2 O6-x/2 (A = Ca, Sr) _cod_database_code 1001292 _database_code_amcsd 0014286 3.863 3.863 19.963 90 90 90 I4/mmm atom x y z occ La1 0 0 0 .5 Sr1 0 0 0 .5 La2 0 0 .1787 .71 Sr2 0 0 .1787 .29 Cu1 0 0 .5927 O1 0 .5 .081 O2 0 0 .708 .98