data_[Er4Al4Zn4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Al  1.6100  1.2500  0.6750
  Zn  1.6500  1.3500  0.8800
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.4271]
_cell_length_b [7.5001]
_cell_length_c [10.5705]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [ErAlZnS4]
_chemical_formula_sum '[Er4 Al4 Zn4 S16]'
_cell_volume [588.8209]
_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
[
  Er  Er0  4  0.0000  0.0000  0.0000  1.0
  Al  Al1  4  0.2500  0.2500  0.7500  1.0
  Zn  Zn2  4  0.0000  0.2500  0.3781  1.0
  S  S3  8  0.0000  0.0265  0.7457  1.0
  S  S4  8  0.2480  0.2500  0.5168  1.0
]