data_[Er16Co8Cu4]
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
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [10.9555]
_cell_length_b [8.1333]
_cell_length_c [7.3783]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0543]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Er4Co2Cu]
_chemical_formula_sum '[Er16 Co8 Cu4]'
_cell_volume [617.5828]
_cell_formula_units_Z [4]
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  0.0993  0.2647  0.5252  1
  Er  Er1  4  0.1113  0.2649  0.0276  1
  Er  Er2  2  0.3757  0.5000  0.6535  1
  Er  Er3  2  0.3822  0.5000  0.1734  1
  Er  Er4  2  0.3836  0.0000  0.6575  1
  Er  Er5  2  0.3860  0.0000  0.1746  1
  Co  Co6  4  0.3182  0.2487  0.3811  1
  Co  Co7  2  0.1640  0.5000  0.8089  1
  Co  Co8  2  0.1680  0.5000  0.3007  1
  Cu  Cu9  2  0.1681  0.0000  0.8094  1
  Cu  Cu10  2  0.1685  0.0000  0.3046  1
]