data_[Ce4Er4Ag4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.8564]
_cell_length_b [8.1915]
_cell_length_c [11.2378]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [CeErAgS4]
_chemical_formula_sum '[Ce4 Er4 Ag4 S16]'
_cell_volume [723.2213]
_cell_formula_units_Z [4]
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
[
  Ce  Ce0  4  0.0000  0.0000  0.0000  1.0
  Er  Er1  4  0.2500  0.2500  0.2500  1.0
  Ag  Ag2  4  0.0000  0.2500  0.6337  1.0
  S  S3  8  0.0000  0.0200  0.2425  1.0
  S  S4  8  0.2344  0.2500  0.0075  1.0
]