data_[Ca8As2S4Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  As  2.1800  1.1500  0.6600
  S  2.5800  1.0000  0.8800
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [5.7975]
_cell_length_b [5.7975]
_cell_length_c [11.7646]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ca4AsS2Cl]
_chemical_formula_sum '[Ca8 As2 S4 Cl2]'
_cell_volume [395.4161]
_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
[
  Ca  Ca0  4  0.0000  0.0000  0.2599  1.0
  Ca  Ca1  4  0.0000  0.5000  0.0000  1.0
  As  As2  2  0.0000  0.0000  0.5000  1.0
  S  S3  4  0.0000  0.5000  0.2500  1.0
  Cl  Cl4  2  0.0000  0.0000  0.0000  1.0
]