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 [10.8781]
_cell_length_b [8.0854]
_cell_length_c [7.3642]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0971]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Er4Co2Cu]
_chemical_formula_sum '[Er16 Co8 Cu4]'
_cell_volume [608.2696]
_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  0.3883  0.2351  0.9722  1.0
  Er  Er1  4  0.4009  0.2353  0.4749  1.0
  Er  Er2  2  0.1146  0.5000  0.8256  1.0
  Er  Er3  2  0.1162  0.5000  0.3427  1.0
  Er  Er4  2  0.1180  0.0000  0.8267  1.0
  Er  Er5  2  0.1244  0.0000  0.3464  1.0
  Co  Co6  4  0.1817  0.2512  0.6188  1.0
  Co  Co7  2  0.3316  0.0000  0.6992  1.0
  Co  Co8  2  0.3363  0.0000  0.1910  1.0
  Cu  Cu9  2  0.3313  0.5000  0.6952  1.0
  Cu  Cu10  2  0.3319  0.5000  0.1906  1.0
]