data_[Tb8As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.6637]
_cell_length_b [3.9533]
_cell_length_c [10.4560]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Tb2As]
_chemical_formula_sum '[Tb8 As4]'
_cell_volume [316.7814]
_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
[
  Tb  Tb0  4  0.0246  0.7500  0.6960  1.0
  Tb  Tb1  4  0.1759  0.2500  0.9532  1.0
  As  As2  4  0.1818  0.7500  0.1705  1.0
]