data_[Sr2Pr1Er1S4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.0879]
_cell_length_b [4.0878]
_cell_length_c [7.2190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9900]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Sr2PrErS4]
_chemical_formula_sum '[Sr2 Pr1 Er1 S4]'
_cell_volume [197.7768]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.5000  1.0
  Sr  Sr1  1  0.5000  0.0000  0.5000  1.0
  Pr  Pr2  1  0.5000  0.5000  0.0000  1.0
  Er  Er3  1  0.0000  0.0000  0.0000  1.0
  S  S4  2  0.2330  0.5000  0.2301  1.0
  S  S5  2  0.2427  0.0000  0.7625  1.0
]