data_[Rb6Ag6Sn16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.8500]
_cell_length_b [12.9607]
_cell_length_c [13.4121]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Rb3Ag3Sn8]
_chemical_formula_sum '[Rb6 Ag6 Sn16]'
_cell_volume [843.0716]
_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  0.0000  0.0000  0.2358  1.0
  Rb  Rb1  2  0.0000  0.0000  0.5000  1.0
  Ag  Ag2  4  0.0000  0.1209  0.0000  1.0
  Ag  Ag3  2  0.0000  0.5000  0.5000  1.0
  Sn  Sn4  8  0.0000  0.3112  0.3616  1.0
  Sn  Sn5  8  0.0000  0.3234  0.1219  1.0
]