data_[Ca4Au2S4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Au  2.5400  1.3500  1.0700
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.7460]
_cell_length_b [7.7460]
_cell_length_c [3.6224]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ca2AuS2]
_chemical_formula_sum '[Ca4 Au2 S4]'
_cell_volume [217.3499]
_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  0.1567  0.6567  0.5000  1
  Au  Au1  2  0.0000  0.0000  0.0000  1
  S  S2  4  0.1528  0.3472  0.0000  1
]