data_[Rb4Hf2Cu4Te8]
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
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.7651]
_cell_length_b [4.2319]
_cell_length_c [8.6642]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7402]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Hf(CuTe2)2]
_chemical_formula_sum '[Rb4 Hf2 Cu4 Te8]'
_cell_volume [547.4003]
_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  4  0.1349  0.0000  0.5640  1.0
  Hf  Hf1  2  0.0000  0.0000  0.0000  1.0
  Cu  Cu2  4  0.1901  0.5000  0.9889  1.0
  Te  Te3  4  0.0214  0.5000  0.7819  1.0
  Te  Te4  4  0.1924  0.0000  0.1750  1.0
]