data_global
_amcsd_formula_title 'Ba2 Cu3 O6.9 Pr'
loop_
_publ_author_name
'Amador U'
'Moran E'
'Alario-Franco M'
'Ibanez J'
'Martin J'
'Rey T'
_journal_name_full 'Solid State Ionics'
_journal_volume 63 
_journal_year 1993
_journal_page_first 858
_journal_page_last 865
_publ_section_title
;
 On the oxidation-reduction of Ba2PrCu3Oy single crystals
 _cod_database_code 1008638
;
_database_code_amcsd 0016527
_chemical_formula_sum 'Cu3 Pr Ba2 O6.9'
_cell_length_a 3.8984
_cell_length_b 3.8984
_cell_length_c 11.613
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 176.489
_exptl_crystal_density_diffrn      6.742
_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
Cu1   0.00000   0.00000   0.00000   1.00000
Cu2   0.00000   0.00000   0.35120   1.00000
Pr1   0.50000   0.50000   0.50000   1.00000
Ba1   0.00000   0.00000   0.17970   1.00000
O1   0.00000   0.00000   0.16000   1.00000
O2   0.00000   0.50000   0.37100   1.00000
O3   0.00000   0.50000   0.00000   0.45000