data_[Rb4Sr6Cl16]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.9460]
_cell_length_b [8.8859]
_cell_length_c [7.5428]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.9495]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Sr3Cl8]
_chemical_formula_sum '[Rb4 Sr6 Cl16]'
_cell_volume [1004.6399]
_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  0.2249  0.5000  0.6558  1.0
  Sr  Sr1  4  0.0000  0.2590  0.0000  1.0
  Sr  Sr2  2  0.0000  0.0000  0.5000  1.0
  Cl  Cl3  8  0.1087  0.2206  0.3943  1.0
  Cl  Cl4  4  0.0994  0.0000  0.9097  1.0
  Cl  Cl5  4  0.1085  0.5000  0.9440  1.0
]