data_[Rb16Cu20Te24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.4625]
_cell_length_b [22.7758]
_cell_length_c [19.2912]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb4Cu5Te6]
_chemical_formula_sum '[Rb16 Cu20 Te24]'
_cell_volume [1960.6871]
_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
[
  Rb  Rb0  4  0.0000  0.0037  0.2090  1
  Rb  Rb1  4  0.0000  0.0537  0.4691  1
  Rb  Rb2  4  0.0000  0.1470  0.9554  1
  Rb  Rb3  4  0.0000  0.2071  0.3287  1
  Cu  Cu4  4  0.0000  0.1533  0.6214  1
  Cu  Cu5  4  0.0000  0.2646  0.6534  1
  Cu  Cu6  4  0.0000  0.3111  0.0584  1
  Cu  Cu7  4  0.0000  0.3675  0.7081  1
  Cu  Cu8  4  0.0000  0.3749  0.2454  1
  Te  Te9  4  0.0000  0.1591  0.1473  1
  Te  Te10  4  0.0000  0.1864  0.7566  1
  Te  Te11  4  0.0000  0.2353  0.5175  1
  Te  Te12  4  0.0000  0.4140  0.1126  1
  Te  Te13  4  0.0000  0.4210  0.8266  1
  Te  Te14  4  0.0000  0.4525  0.3461  1
]