data_[Rb2Ba2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.8586]
_cell_length_b [7.5945]
_cell_length_c [8.0323]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [RbBa]
_chemical_formula_sum '[Rb2 Ba2]'
_cell_volume [296.3841]
_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  0.0000  0.0000  0.9920  1
  Ba  Ba1  2  0.0000  0.5000  0.5065  1
]