data_[Rb8Zn8Sb16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zn  1.6500  1.3500  0.8800
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Fmm2]
_cell_length_a [6.2583]
_cell_length_b [28.9124]
_cell_length_c [6.0028]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [RbZnSb2]
_chemical_formula_sum '[Rb8 Zn8 Sb16]'
_cell_volume [1086.1532]
_cell_formula_units_Z [8]
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  8  0.0000  0.1154  0.9918  1.0
  Zn  Zn1  8  0.2500  0.2500  0.2412  1.0
  Sb  Sb2  8  0.0000  0.1907  0.4913  1.0
  Sb  Sb3  8  0.2278  0.0000  0.2759  1.0
]