data_[Rb8Na4Sr4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.4705]
_cell_length_b [18.8197]
_cell_length_c [14.0100]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2NaSrCl5]
_chemical_formula_sum '[Rb8 Na4 Sr4 Cl20]'
_cell_volume [1178.7087]
_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  0.1040  0.6874  1.0
  Rb  Rb1  4  0.0000  0.1274  0.2957  1.0
  Na  Na2  4  0.0000  0.4852  0.4692  1.0
  Sr  Sr3  4  0.0000  0.2136  0.0113  1.0
  Cl  Cl4  4  0.0000  0.0627  0.0507  1.0
  Cl  Cl5  4  0.0000  0.2792  0.6494  1.0
  Cl  Cl6  4  0.0000  0.3011  0.3779  1.0
  Cl  Cl7  4  0.0000  0.3674  0.0007  1.0
  Cl  Cl8  4  0.0000  0.4999  0.2817  1.0
]