data_[Cr8As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cr  1.6600  1.4000  0.9400
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [10.4711]
_cell_length_b [10.4711]
_cell_length_c [3.0039]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [CrAs]
_chemical_formula_sum '[Cr8 As8]'
_cell_volume [329.3600]
_cell_formula_units_Z [8]
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
[
  Cr  Cr0  8  0.1709  0.7257  0.5000  1
  As  As1  8  0.0574  0.2589  0.5000  1
]