data_[Be2Ag2Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.0620]
_cell_length_b [7.5604]
_cell_length_c [8.7038]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [BeAgCl2]
_chemical_formula_sum '[Be2 Ag2 Cl4]'
_cell_volume [201.4900]
_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  0.0000  0.5000  0.2437  1
  Ag  Ag1  2  0.0000  0.0000  0.4676  1
  Cl  Cl2  2  0.0000  0.0000  0.0932  1
  Cl  Cl3  2  0.0000  0.5000  0.6955  1
]