data_[Er3Mg2Ag2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.7753]
_cell_length_b [4.7753]
_cell_length_c [14.7808]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Er3Mg2(AgPb2)2]
_chemical_formula_sum '[Er3 Mg2 Ag2 Pb4]'
_cell_volume [291.8973]
_cell_formula_units_Z [1]
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
[
  Er  Er0  2  0.0000  0.0000  0.2600  1
  Er  Er1  1  0.0000  0.0000  0.0000  1
  Mg  Mg2  2  0.3333  0.6667  0.5710  1
  Ag  Ag3  2  0.3333  0.6667  0.1576  1
  Pb  Pb4  2  0.3333  0.6667  0.3646  1
  Pb  Pb5  2  0.3333  0.6667  0.8907  1
]