data_[Rb8Mg8Be12F48]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Be  1.5700  1.0500  0.5900
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_13]
_cell_length_a [10.1044]
_cell_length_b [10.1044]
_cell_length_c [10.1044]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [198]
_chemical_formula_structural [Rb2Mg2Be3F12]
_chemical_formula_sum '[Rb8 Mg8 Be12 F48]'
_cell_volume [1031.6528]
_cell_formula_units_Z [4]
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  4  0.0486  0.0486  0.0486  1
  Rb  Rb1  4  0.1838  0.3162  0.6838  1
  Mg  Mg2  4  0.0987  0.9013  0.4013  1
  Mg  Mg3  4  0.1653  0.6653  0.8347  1
  Be  Be4  12  0.0196  0.2152  0.3757  1
  F  F5  12  0.0056  0.5634  0.7677  1
  F  F6  12  0.0134  0.0675  0.3316  1
  F  F7  12  0.0457  0.8068  0.2319  1
  F  F8  12  0.1000  0.8352  0.7575  1
]