data_[Er6Mg8Pt8]
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
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.8005]
_cell_length_b [7.9944]
_cell_length_c [15.0519]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er3(MgPt)4]
_chemical_formula_sum '[Er6 Mg8 Pt8]'
_cell_volume [457.3151]
_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
[
  Er  Er0  4  0.0000  0.0000  0.1102  1.0
  Er  Er1  2  0.0000  0.5000  0.0000  1.0
  Mg  Mg2  8  0.0000  0.1912  0.6720  1.0
  Pt  Pt3  4  0.0000  0.2943  0.5000  1.0
  Pt  Pt4  4  0.0000  0.5000  0.2432  1.0
]