data_[Zr4Sb8Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [6.4341]
_cell_length_b [6.4341]
_cell_length_c [13.7613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [ZrSb2Se]
_chemical_formula_sum '[Zr4 Sb8 Se4]'
_cell_volume [569.6874]
_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
[
  Zr  Zr0  4  0.0000  0.0000  0.0000  1
  Sb  Sb1  8  0.2436  0.2500  0.1250  1
  Se  Se2  4  0.0000  0.0000  0.5000  1
]