data_[Ba1Fe2Si1S1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.4827]
_cell_length_b [4.4827]
_cell_length_c [6.6027]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [BaFe2SiS]
_chemical_formula_sum '[Ba1 Fe2 Si1 S1]'
_cell_volume [132.6773]
_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
[
  Ba  Ba0  1  0.0000  0.0000  0.5000  1
  Fe  Fe1  2  0.0000  0.5000  0.0000  1
  Si  Si2  1  0.0000  0.0000  0.0000  1
  S  S3  1  0.5000  0.5000  0.5000  1
]