data_[Rb2Li1Ag3Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P-4m2]
_cell_length_a [4.8429]
_cell_length_b [4.8429]
_cell_length_c [10.7038]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [115]
_chemical_formula_structural [Rb2LiAg3Se4]
_chemical_formula_sum '[Rb2 Li1 Ag3 Se4]'
_cell_volume [251.0490]
_cell_formula_units_Z [1]
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  0.5000  0.7472  1.0
  Li  Li1  1  0.5000  0.5000  0.5000  1.0
  Ag  Ag2  2  0.0000  0.5000  0.1180  1.0
  Ag  Ag3  1  0.0000  0.0000  0.5000  1.0
  Se  Se4  2  0.0000  0.5000  0.3730  1.0
  Se  Se5  1  0.0000  0.0000  0.0000  1.0
  Se  Se6  1  0.5000  0.5000  0.0000  1.0
]