data_[Eu12As16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [5.7756]
_cell_length_b [14.5852]
_cell_length_c [9.1023]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4678]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [Eu3As4]
_chemical_formula_sum '[Eu12 As16]'
_cell_volume [727.2785]
_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
[
  Eu  Eu0  4  0.0781  0.3760  0.8341  1.0
  Eu  Eu1  4  0.2422  0.1307  0.6686  1.0
  Eu  Eu2  4  0.3727  0.3779  0.5006  1.0
  As  As3  4  0.0762  0.2107  0.3325  1.0
  As  As4  4  0.2376  0.4562  0.1629  1.0
  As  As5  4  0.3699  0.0328  0.9926  1.0
  As  As6  4  0.3751  0.2163  0.0111  1.0
]