data_[Rb4Hf2Mg2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hf  1.3000  1.5500  0.8500
  Mg  1.3100  1.5000  0.8600
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [8.2547]
_cell_length_b [8.2547]
_cell_length_c [10.3612]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Rb2HfMgTe4]
_chemical_formula_sum '[Rb4 Hf2 Mg2 Te8]'
_cell_volume [706.0198]
_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
[
  Rb  Rb0  2  0.0000  0.0000  0.0000  1.0
  Rb  Rb1  2  0.0000  0.5000  0.7500  1.0
  Hf  Hf2  2  0.0000  0.5000  0.2500  1.0
  Mg  Mg3  2  0.0000  0.0000  0.5000  1.0
  Te  Te4  8  0.1605  0.7374  0.3833  1.0
]