data_global
_amcsd_formula_title 'Ba Co Cu O4.96 Y'
loop_
_publ_author_name
'Barbey L'
'Nguyen N'
'Caignaert V'
'Hervieu M'
'Raveau B'
_journal_name_full 'Materials Research Bulletin'
_journal_volume 27 
_journal_year 1992
_journal_page_first 295
_journal_page_last 301
_publ_section_title
;
 Mixed oxides of cobalt and copper with a double pyramidal layer structure
 _cod_database_code 1001549
;
_database_code_amcsd 0014364
_chemical_formula_sum 'Y Ba (Co Cu) O4.96'
_cell_length_a 3.8688
_cell_length_b 3.8688
_cell_length_c 7.5726
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 113.344
_exptl_crystal_density_diffrn      6.271
_symmetry_space_group_name_H-M 'P 4/m m m'
loop_
_space_group_symop_operation_xyz
  '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'
  '-x,y,z'
  'x,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Y1   0.00000   0.00000   0.50000   1.00000
Ba1   0.00000   0.00000   0.00000   1.00000
Co1   0.50000   0.50000   0.26490   0.50000
Cu1   0.50000   0.50000   0.26490   0.50000
O1   0.50000   0.00000   0.31370   1.00000
O2   0.50000   0.50000   0.00000   0.96000