data_global
_amcsd_formula_title 'Ba2 Ce0.5 Cu2 Eu1.5 O9 Tl'
loop_
_publ_author_name
'Liu R'
'Hervieu M'
'Michel C'
'Maignan A'
'Martin C'
'Raveau B'
'Edwards P'
_journal_name_full 'Physica C'
_journal_volume 197 
_journal_year 1992
_journal_page_first 131
_journal_page_last 135
_publ_section_title
;
 TlBa2(Eu,Ce)2Cu2O9+d, a new member of the double fluorite-type
 cuprate family. Structure and possible induced superconductivity by
 oxygen high-pressure annealing
 _cod_database_code 1001540
;
_database_code_amcsd 0015037
_chemical_formula_sum 'Tl Ba2 (Eu1.5 Ce.5) Cu2 O9'
_cell_length_a 3.8784
_cell_length_b 3.8784
_cell_length_c 30.415
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 457.502
_exptl_crystal_density_diffrn      7.609
_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   0.08200   0.00000   0.00000   0.25000
Ba1   0.50000   0.50000   0.08720   1.00000
Eu1   0.50000   0.50000   0.20870   0.75000
Ce1   0.50000   0.50000   0.20870   0.25000
Cu1   0.00000   0.00000   0.15200   1.00000
O1   0.00000   0.50000   0.15540   1.00000
O2   0.00000   0.00000   0.08310   1.00000
O3   0.50000   0.50000   0.00000   1.00000
O4   0.00000   0.50000   0.25000   1.00000