data_[Y6Er3Co6Ni21]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Co  1.8800  1.3500  0.7683
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.9313]
_cell_length_b [4.9313]
_cell_length_c [24.3142]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Y2ErCo2Ni7]
_chemical_formula_sum '[Y6 Er3 Co6 Ni21]'
_cell_volume [512.0548]
_cell_formula_units_Z [3]
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
[
  Y  Y0  6  0.0000  0.0000  0.1383  1
  Er  Er1  3  0.0000  0.0000  0.0000  1
  Co  Co2  6  0.0000  0.0000  0.3328  1
  Ni  Ni3  18  0.0002  0.5001  0.9189  1
  Ni  Ni4  3  -0.0000  -0.0000  0.5000  1
]