data_[Fe2Se2Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  Se  2.5500  1.1500  1.0133
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [15.0000]
_cell_length_b [3.1468]
_cell_length_c [14.8013]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [FeSeCl]
_chemical_formula_sum '[Fe2 Se2 Cl2]'
_cell_volume [698.6517]
_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
[
  Fe  Fe0  2  0.5000  0.4844  0.1660  1
  Se  Se1  2  0.5000  0.0157  0.7816  1
  Cl  Cl2  2  0.5000  0.0155  0.5540  1
]