data_[Rb4Ag2Sn12]
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 [C2/m]
_cell_length_a [12.8071]
_cell_length_b [6.6270]
_cell_length_c [7.3694]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3052]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2AgSn6]
_chemical_formula_sum '[Rb4 Ag2 Sn12]'
_cell_volume [586.5978]
_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  0.1484  0.5000  0.8712  1
  Ag  Ag1  2  0.0000  0.0000  0.0000  1
  Sn  Sn2  8  0.1359  0.2506  0.3430  1
  Sn  Sn3  4  0.1063  0.0000  0.6661  1
]