data_[Nd4Y6Er14]
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 [Cmmm]
_cell_length_a [5.6736]
_cell_length_b [37.5948]
_cell_length_c [3.6138]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Nd2Y3Er7]
_chemical_formula_sum '[Nd4 Y6 Er14]'
_cell_volume [770.8194]
_cell_formula_units_Z [2]
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  0.1467  0.0000  1
  Y  Y1  4  0.0000  0.3141  0.5000  1
  Y  Y2  2  0.0000  0.5000  0.5000  1
  Er  Er3  4  0.0000  0.0705  0.5000  1
  Er  Er4  4  0.0000  0.2304  0.0000  1
  Er  Er5  4  0.0000  0.4110  0.0000  1
  Er  Er6  2  0.0000  0.0000  0.0000  1
]