data_[Er1Cu1Si2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Cu  1.9000  1.3500  0.8200
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.1782]
_cell_length_b [4.1782]
_cell_length_c [6.5613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [ErCu(SiPt)2]
_chemical_formula_sum '[Er1 Cu1 Si2 Pt2]'
_cell_volume [99.1955]
_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  1  0.0000  0.0000  0.0000  1.0
  Si  Si1  2  0.3333  0.6667  0.3011  1.0
  Cu  Cu2  1  0.0000  0.0000  0.5000  1.0
  Pt  Pt3  2  0.3333  0.6667  0.7001  1.0
]