data_[Mg2Tl2Ag2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6554]
_cell_length_b [7.3000]
_cell_length_c [8.6328]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.0225]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [MgTlAgCl4]
_chemical_formula_sum '[Mg2 Tl2 Ag2 Cl8]'
_cell_volume [406.9219]
_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
[
  Mg  Mg0  2  0.2436  0.7500  0.3212  1.0
  Tl  Tl1  2  0.2432  0.2500  0.0450  1.0
  Ag  Ag2  2  0.1655  0.2500  0.5239  1.0
  Cl  Cl3  4  0.0094  0.0108  0.7128  1.0
  Cl  Cl4  2  0.3639  0.7500  0.0890  1.0
  Cl  Cl5  2  0.4908  0.7500  0.5656  1.0
]