data_[Rb2Ag2P2Se8]
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
  P  2.1900  1.0000  0.5500
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.9876]
_cell_length_b [6.8014]
_cell_length_c [9.7729]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.4582]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbAgPSe4]
_chemical_formula_sum '[Rb2 Ag2 P2 Se8]'
_cell_volume [453.5269]
_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  2  0.2128  0.7500  0.0210  1.0
  Ag  Ag1  2  0.1620  0.7500  0.5521  1.0
  P  P2  2  0.2407  0.2500  0.2969  1.0
  Se  Se3  4  0.0308  0.5005  0.3075  1.0
  Se  Se4  2  0.3341  0.2500  0.0982  1.0
  Se  Se5  2  0.4812  0.2500  0.4903  1.0
]