data_[Er2Al2Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Al  1.6100  1.2500  0.6750
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.3335]
_cell_length_b [6.7105]
_cell_length_c [5.1938]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [ErAlPt2]
_chemical_formula_sum '[Er2 Al2 Pt4]'
_cell_volume [151.0383]
_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  2  0.0000  0.5000  0.1792  1.0
  Al  Al1  2  0.0000  0.0000  0.3341  1.0
  Pt  Pt2  4  0.0000  0.2890  0.6797  1.0
]