Cu2 La2 O6 Sr 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 1001291 _database_code_amcsd 0014285 3.865 3.865 19.887 90 90 90 I4/mmm atom x y z occ La1 0 0 0 .5 Sr1 0 0 0 .5 La2 0 0 .1783 .75 Sr2 0 0 .1783 .25 Cu1 0 0 .5913 O1 0 .5 .084 O2 0 0 .705