data_[Rb2Mg4Pb2]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.0732]
_cell_length_b [5.0732]
_cell_length_c [13.9514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [RbMg2Pb]
_chemical_formula_sum '[Rb2 Mg4 Pb2]'
_cell_volume [310.9606]
_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  0.3333  0.6667  0.8437  1
  Mg  Mg1  2  0.0000  0.0000  0.3855  1
  Mg  Mg2  2  0.3333  0.6667  0.5498  1
  Pb  Pb3  2  0.3333  0.6667  0.3306  1
]