data_[Rb4Sr2Zn2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  Zn  1.6500  1.3500  0.8800
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.1224]
_cell_length_b [10.4019]
_cell_length_c [8.5621]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Rb2SrZnBi2]
_chemical_formula_sum '[Rb4 Sr2 Zn2 Bi4]'
_cell_volume [456.2118]
_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  0.3440  0.1612  1.0
  Rb  Rb1  2  0.5000  0.4017  0.4910  1.0
  Sr  Sr2  2  0.0000  0.0306  0.4890  1.0
  Zn  Zn3  2  0.5000  0.1590  0.8457  1.0
  Bi  Bi4  2  0.0000  0.2869  0.7574  1.0
  Bi  Bi5  2  0.5000  0.1031  0.2102  1.0
]