data_2002862
_chemical_name_systematic          'Barium cobalt yttrium oxide (1/1/2/5)'
_chemical_formula_structural       'Ba Co Y2 O5'
_chemical_formula_sum              'Ba Co O5 Y2'
_publ_section_title
;
Ein Wechsel des Strukturtyps in den Oxiden Ba Co Gd2 O5, Ba Co Dy2 O5
und Ba Co Y2 O5
;
loop_
_publ_author_name
  'Mevs, H'
  'Mueller-Buschbaum, Hk'
_journal_name_full
;
Zeitschrift fuer Anorganische und Allgemeine Chemie
;
_journal_volume                    573
_journal_year                      1989
_journal_page_first                128
_journal_page_last                 132
_cell_length_a                     12.287(8)
_cell_length_b                     5.713(2)
_cell_length_c                     7.067(2)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       496.1
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'P n m a'
_symmetry_Int_Tables_number        62
_symmetry_cell_setting             orthorhombic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2-z'
  '-x,1/2+y,-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2+y,1/2+z'
  'x,1/2-y,z'
  '1/2+x,y,1/2-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ba2+   2.000
  Y3+    3.000
  Co2+   2.000
  O2-   -2.000
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
  Ba1   Ba2+   4 c 0.9014(1) 0.25 0.9252(2) 1.  0 d
  Y1    Y3+    4 c 0.2913(2) 0.25 0.1198(3) 1.  0 d
  Y2    Y3+    4 c 0.0741(2) 0.25 0.3988(3) 1.  0 d
  Co1   Co2+   4 c 0.6531(3) 0.25 0.6955(5) 1.  0 d
  O1    O2-    8 d 0.434(1) 0.994(3) 0.168(2) 1.  0 d
  O2    O2-    8 d 0.224(1) 0.504(3) 0.360(2) 1.  0 d
  O3    O2-    4 c 0.100(2) 0.25 0.074(3) 1.  0 d
_refine_ls_R_factor_all            0.069