data_[Rb2Be6Os8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Be  1.5700  1.0500  0.5900
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [5.5507]
_cell_length_b [5.5507]
_cell_length_c [10.4034]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [RbBe3Os4]
_chemical_formula_sum '[Rb2 Be6 Os8]'
_cell_volume [320.5283]
_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  0.0000  1
  Be  Be1  4  0.0000  0.5000  0.2500  1
  Be  Be2  2  0.0000  0.0000  0.5000  1
  Os  Os3  8  0.1484  0.1484  0.2946  1
]