data_1001550
_chemical_name_systematic          'Bismuth lead barium lanthanum copper oxide'
_chemical_formula_structural       '(Bi Pb) (Ba La) Cu O6'
_chemical_formula_sum              'Ba Bi Cu La O6 Pb'
_publ_section_title
;
Substitution of lead for bismuth in the 2201-type oxide
Bi~2~BaLaCuO~6+d~
;
loop_
_publ_author_name
  'Pham, A Q'
  'Michel, C'
  'Hervieu, M'
  'Maignan, A'
  'Raveau, B'
_journal_name_full                 'Journal of Physics and Chemistry of Solids'
_journal_coden_ASTM                JPCSAW
_journal_volume                    54
_journal_year                      1993
_journal_page_first                65
_journal_page_last                 71
_journal_issue                     1
_cell_length_a                     5.4028(6)
_cell_length_b                     5.4745(6)
_cell_length_c                     24.515(2)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       725.1
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'F m m m'
_symmetry_Int_Tables_number        69
_symmetry_cell_setting             orthorhombic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,-y,-z'
  '-x,y,-z'
  '-x,-y,z'
  '-x,-y,-z'
  '-x,y,z'
  'x,-y,z'
  'x,y,-z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  'x,1/2-y,1/2-z'
  '1/2+x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  '-x,1/2+y,1/2-z'
  '1/2-x,y,1/2-z'
  '1/2-x,1/2+y,-z'
  '-x,1/2-y,1/2+z'
  '1/2-x,-y,1/2+z'
  '1/2-x,1/2-y,z'
  '-x,1/2-y,1/2-z'
  '1/2-x,-y,1/2-z'
  '1/2-x,1/2-y,-z'
  '-x,1/2+y,1/2+z'
  '1/2-x,y,1/2+z'
  '1/2-x,1/2+y,z'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,1/2+z'
  '1/2+x,1/2-y,z'
  'x,1/2+y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2+x,1/2+y,-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Bi3+   3.000
  Pb2+   2.000
  Ba2+   2.000
  La3+   3.000
  Cu2+   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
  Bi1   Bi3+  16 n 0.033(2) 0. 0.1897(2) 0.25  0 d
  Pb1   Pb2+  16 n 0.033(2) 0. 0.1897(2) 0.25  0 d
  Ba1   Ba2+   8 i 0. 0. 0.4247(2) 0.5  0 d
  La1   La3+   8 i 0. 0. 0.4247(2) 0.5  0 d
  Cu1   Cu2+   4 a 0. 0. 0. 1.  0 d
  O1    O2-    8 e 0.25 0.25 0. 1.  0 d
  O2    O2-    8 i 0. 0. 0.0968(18) 1.  0 d
  O3    O2-   32 p 0.094(13) 0.110(12) 0.3067(40) 0.25  0 d
_refine_ls_R_factor_all            0.079