data_[Cs6Mg2Tl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [7.1056]
_cell_length_b [8.2446]
_cell_length_c [12.0606]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Cs3MgTl4]
_chemical_formula_sum '[Cs6 Mg2 Tl8]'
_cell_volume [706.5456]
_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
[
  Cs  Cs0  4  0.0000  0.2478  0.5665  1
  Cs  Cs1  2  0.0000  0.0000  0.9083  1
  Mg  Mg2  2  0.0000  0.5000  0.0199  1
  Tl  Tl3  4  0.0000  0.2983  0.2337  1
  Tl  Tl4  4  0.2447  0.5000  0.8111  1
]