data_[Rb2Na2P2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  P  2.1900  1.0000  0.5500
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.2171]
_cell_length_b [4.8914]
_cell_length_c [11.7989]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [RbNaPPt]
_chemical_formula_sum '[Rb2 Na2 P2 Pt2]'
_cell_volume [243.3830]
_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  0.5000  0.0000  0.2644  1.0
  Na  Na1  2  0.0000  0.0000  0.9885  1.0
  P  P2  2  0.0000  0.0000  0.6221  1.0
  Pt  Pt3  2  0.5000  0.0000  0.5553  1.0
]