data_global
_amcsd_formula_title 'Ba Cu O5 Y2'
loop_
_publ_author_name
'Mechel C'
'Raveau B'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 43 
_journal_year 1982
_journal_page_first 73
_journal_page_last 80
_publ_section_title
;
 Les oxydes A2 Ba Cu O5 (A = Y,Sm,Eu,Gd,Dy,Ho,Er,Yb)
 _cod_database_code 1001221
;
_database_code_amcsd 0013475
_chemical_formula_sum 'Y2 Ba Cu O5'
_cell_length_a 7.132
_cell_length_b 12.181
_cell_length_c 5.658
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 491.538
_exptl_crystal_density_diffrn      6.198
_symmetry_space_group_name_H-M 'P b n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-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,z'
  '1/2+x,1/2-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Y1   0.12100   0.28910   0.25000
Y2   0.39580   0.07490   0.25000
Ba1   0.92930   0.90550   0.25000
Cu1   0.71800   0.65600   0.25000
O1   0.15900   0.44400  -0.01400
O2   0.37200   0.23400   0.46700
O3   0.08200   0.09000   0.25000