data_[Sr4Pr4Tl4Cu6O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Pr  1.1300  1.8500  1.0600
  Tl  1.6200  1.9000  1.3325
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.9463]
_cell_length_b [3.9463]
_cell_length_c [35.3680]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Sr2Pr2Tl2Cu3O10]
_chemical_formula_sum '[Sr4 Pr4 Tl4 Cu6 O20]'
_cell_volume [550.8093]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Sr  Sr0  4  0.0000  0.0000  0.3531  1.0
  Pr  Pr1  4  0.0000  0.0000  0.4509  1.0
  Tl  Tl2  4  0.0000  0.0000  0.2186  1.0
  Cu  Cu3  4  0.0000  0.0000  0.0947  1.0
  Cu  Cu4  2  0.0000  0.0000  0.0000  1.0
  O  O5  8  0.0000  0.5000  0.0901  1.0
  O  O6  4  0.0000  0.0000  0.1581  1.0
  O  O7  4  0.0000  0.0000  0.2803  1.0
  O  O8  4  0.0000  0.5000  0.0000  1.0
]