data_[Er2Co1Au1C1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Co  1.8800  1.3500  0.7683
  Au  2.5400  1.3500  1.0700
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.9538]
_cell_length_b [4.9538]
_cell_length_c [3.6336]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Er2CoAuC]
_chemical_formula_sum '[Er2 Co1 Au1 C1]'
_cell_volume [89.1700]
_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  0.5000  0.0000  1.0
  Co  Co1  1  0.0000  0.0000  0.5000  1.0
  Au  Au2  1  0.5000  0.5000  0.5000  1.0
  C  C3  1  0.0000  0.0000  0.0000  1.0
]