data_[Sr2Tl4Cr2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.4944]
_cell_length_b [8.8196]
_cell_length_c [5.3128]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [SrTl2CrO4]
_chemical_formula_sum '[Sr2 Tl4 Cr2 O8]'
_cell_volume [351.1598]
_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  2  0.0000  0.6057  0.5307  1.0
  Tl  Tl1  4  0.2470  0.8191  0.0315  1.0
  Cr  Cr2  2  0.0000  0.3664  0.0012  1.0
  O  O3  4  0.2053  0.2809  0.1008  1.0
  O  O4  2  0.0000  0.3434  0.6552  1.0
  O  O5  2  0.0000  0.5709  0.0482  1.0
]