Ca3.8 Cl3.84 Cu3 Gd2.2 O8.16 Pelloquin D, Sundaresan A, Hervieu M, Michel C, Raveau B Journal of Solid State Chemistry 127 (1996) 315-324 New copper oxychlorides Ca4 Ln2 Cu3 O8 Cl4, first members of the intergrowth series (Ca2 Cu O2 Cl2)m (Ln2 Ca2 Cu2 O6 Cl2)n (Ln = Gd,Sm) _cod_database_code 1001747 _database_code_amcsd 0013912 3.8865 3.8865 41.827 90 90 90 I4/mmm atom x y z occ Ca1 0 0 .4611 .90 Gd1 0 0 .4611 .10 Ca2 0 0 .1428 Gd2 0 0 .2219 Cu1 0 0 0 Cu2 0 0 .3221 O1 0 .5 0 O2 0 .5 .319 O3 0 .5 .25 Cl1 0 0 .0644 Cl2 0 0 .3824 .92 O4 0 0 .3824 .08