data_[Cr4As8]
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 [P2_1/m]
_cell_length_a [7.3489]
_cell_length_b [5.8673]
_cell_length_c [19.2253]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CrAs2]
_chemical_formula_sum '[Cr4 As8]'
_cell_volume [828.9632]
_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
[
  Cr  Cr0  2  0.0000  0.0000  0.5000  1
  Cr  Cr1  2  0.2629  0.7500  0.5146  1
  As  As2  4  0.1961  0.0287  0.6099  1
  As  As3  2  0.1212  0.7500  0.3994  1
  As  As4  2  0.5000  0.0000  0.5000  1
]