data_[Sr2Ag2Cl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [19.0595]
_cell_length_b [6.6987]
_cell_length_c [8.6119]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [SrAgCl3]
_chemical_formula_sum '[Sr2 Ag2 Cl6]'
_cell_volume [1099.5103]
_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  0.5000  0.0000  0.1822  1
  Ag  Ag1  2  0.5000  0.0000  0.5640  1
  Cl  Cl2  4  0.3935  0.0000  0.3990  1
  Cl  Cl3  2  0.5000  0.0000  0.8489  1
]