data_[Er4Si2Pt6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [5.4960]
_cell_length_b [5.4960]
_cell_length_c [8.2594]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [Er2SiPt3]
_chemical_formula_sum '[Er4 Si2 Pt6]'
_cell_volume [216.0620]
_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  0.3333  0.6667  0.9398  1
  Si  Si1  2  0.0000  0.0000  0.0000  1
  Pt  Pt2  6  0.1673  0.3345  0.2500  1
]