data_[Tb12Si2Te6As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Si  1.9000  1.1000  0.5400
  Te  2.1000  1.4000  1.2933
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.7159]
_cell_length_b [4.2297]
_cell_length_c [8.6332]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9267]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb6SiTe3As2]
_chemical_formula_sum '[Tb12 Si2 Te6 As4]'
_cell_volume [660.3670]
_cell_formula_units_Z [2]
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  0.0052  0.0000  0.2290  1.0
  Tb  Tb1  4  0.1573  0.5000  0.0970  1.0
  Tb  Tb2  4  0.1731  0.5000  0.5667  1.0
  Si  Si3  2  0.0000  0.5000  0.0000  1.0
  Te  Te4  4  0.1683  0.0000  0.8331  1.0
  Te  Te5  2  0.0000  0.5000  0.5000  1.0
  As  As6  4  0.1669  0.0000  0.3342  1.0
]