data_[Nd4Ho6Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.4960]
_cell_length_b [3.5028]
_cell_length_c [8.5215]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.0400]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd2Ho3Er2]
_chemical_formula_sum '[Nd4 Ho6 Er4]'
_cell_volume [456.5869]
_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  0.0670  0.5000  0.2209  1
  Ho  Ho1  4  0.2115  0.0000  0.6246  1
  Ho  Ho2  2  0.0000  0.0000  0.5000  1
  Er  Er3  4  0.1507  0.0000  0.9663  1
]