data_global
_amcsd_formula_title 'Cu2 Gd2 O9 Pb0.5 Sr2 Tl0.5'
loop_
_publ_author_name
'Vijayaraghavan R'
'Michel C'
'Maignan A'
'Hervieu M'
'Martin C'
'Raveau B'
'Rao C'
_journal_name_full 'Physica C'
_journal_volume 206 
_journal_year 1993
_journal_page_first 81
_journal_page_last 89
_publ_section_title
;
 Structure and properties of Tl0.5Pb0.5Sr2Gd2-xCexCu2O9-d
 _cod_database_code 1001580
;
_database_code_amcsd 0015041
_chemical_formula_sum 'Tl.5 Pb.5 Sr2 Gd2 Cu2 O9'
_cell_length_a 3.8385
_cell_length_b 3.8385
_cell_length_c 29.5815
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 435.856
_exptl_crystal_density_diffrn      7.365
_symmetry_space_group_name_H-M 'I 4/m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '-y,-x,z'
  '1/2-y,1/2-x,1/2+z'
  'y,x,-z'
  '1/2+y,1/2+x,1/2-z'
  'y,-x,-z'
  '1/2+y,1/2-x,1/2-z'
  '-y,x,z'
  '1/2-y,1/2+x,1/2+z'
  'x,-y,z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  'x,y,-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  'y,x,z'
  '1/2+y,1/2+x,1/2+z'
  '-y,-x,-z'
  '1/2-y,1/2-x,1/2-z'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  'y,-x,z'
  '1/2+y,1/2-x,1/2+z'
  '-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Tl1   0.05500   0.00000   0.00000   0.12500
Pb1   0.05500   0.00000   0.00000   0.12500
Sr1   0.00000   0.00000   0.58660   1.00000
Gd1   0.00000   0.00000   0.70620   1.00000
Cu1   0.00000   0.00000   0.14930   1.00000
O1   0.00000   0.00000   0.07340   1.00000
O2   0.00000   0.50000   0.14870   1.00000
O3   0.00000   0.50000   0.25000   1.00000
O4   0.50000   0.50000   0.00000   1.00000