data_1010164
_chemical_name_systematic          'Dicadmium dibismuth tetraoxide dibromide'
_chemical_formula_structural       'Cd2 Bi2 O4 Br2'
_chemical_formula_sum              'Bi2 Br2 Cd2 O4'
_publ_section_title
;
Roentgenuntersuchung von Li Bi~3~ O~4~ Cl~2~ und verwandten Stoffen
;
_publ_author_name                  'Sillen, L G'
_journal_name_full
;
Zeitschrift fuer Anorganische und Allgemeine Chemie
;
_journal_coden_ASTM                ZAACAB
_journal_volume                    242
_journal_year                      1939
_journal_page_first                41
_journal_page_last                 46
_cell_length_a                     3.943
_cell_length_b                     3.943
_cell_length_c                     12.62
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       196.2
_cell_formula_units_Z              1
_symmetry_space_group_name_H-M     'I 4/m m m'
_symmetry_Int_Tables_number        139
_symmetry_cell_setting             tetragonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-y,z'
  '-x,y,z'
  'x,-y,z'
  '-y,x,z'
  'y,-x,z'
  'y,x,z'
  '-y,-x,z'
  '-x,-y,-z'
  'x,y,-z'
  'x,-y,-z'
  '-x,y,-z'
  'y,-x,-z'
  '-y,x,-z'
  '-y,-x,-z'
  'y,x,-z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-y,1/2+x,1/2+z'
  '1/2+y,1/2-x,1/2+z'
  '1/2+y,1/2+x,1/2+z'
  '1/2-y,1/2-x,1/2+z'
  '1/2-x,1/2-y,1/2-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2+x,1/2-y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '1/2+y,1/2-x,1/2-z'
  '1/2-y,1/2+x,1/2-z'
  '1/2-y,1/2-x,1/2-z'
  '1/2+y,1/2+x,1/2-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Cd2+   2.000
  Bi3+   3.000
  O2-   -2.000
  Br1-  -1.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Cd1   Cd2+   4 e 0. 0. 0.160(5) 0.5  0 d
  Bi1   Bi3+   4 e 0. 0. 0.160(5) 0.5  0 d
  O1    O2-    4 d 0. 0.5 0.25 1.  0 d
  Br1   Br1-   2 b 0. 0. 0.5 1.  0 d