data_[Be2Tl2Ag2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  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 [6.2912]
_cell_length_b [7.0638]
_cell_length_c [8.5839]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.9965]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [BeTlAgCl4]
_chemical_formula_sum '[Be2 Tl2 Ag2 Cl8]'
_cell_volume [364.8042]
_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
[
  Be  Be0  2  0.2028  0.7500  0.3065  1.0
  Tl  Tl1  2  0.2563  0.2500  0.0721  1.0
  Ag  Ag2  2  0.1949  0.2500  0.5315  1.0
  Cl  Cl3  4  0.0082  0.0200  0.7172  1.0
  Cl  Cl4  2  0.3349  0.7500  0.1190  1.0
  Cl  Cl5  2  0.4288  0.7500  0.5283  1.0
]