data_[Nd15Y4Er1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.1698]
_cell_length_b [5.1698]
_cell_length_c [25.7289]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Nd15Y4Er]
_chemical_formula_sum '[Nd15 Y4 Er1]'
_cell_volume [687.6549]
_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
[
  Nd  Nd0  4  0.0000  0.5000  0.0993  1
  Nd  Nd1  4  0.0000  0.5000  0.2997  1
  Nd  Nd2  2  0.0000  0.5000  0.5000  1
  Nd  Nd3  2  0.5000  0.5000  0.1994  1
  Nd  Nd4  2  0.5000  0.5000  0.3999  1
  Nd  Nd5  1  0.5000  0.5000  0.0000  1
  Y  Y6  2  0.0000  0.0000  0.1995  1
  Y  Y7  2  0.0000  0.0000  0.3998  1
  Er  Er8  1  0.0000  0.0000  0.0000  1
]