data_[Ac4Nd14Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.6392]
_cell_length_b [9.6337]
_cell_length_c [9.5405]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6105]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Nd7Er2]
_chemical_formula_sum '[Ac4 Nd14 Er4]'
_cell_volume [834.5501]
_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
[
  Ac  Ac0  4  0.1274  0.5000  0.9015  1
  Nd  Nd1  8  0.1336  0.1954  0.2706  1
  Nd  Nd2  4  0.1726  0.0000  0.6306  1
  Nd  Nd3  2  0.0000  0.0000  0.0000  1
  Er  Er4  4  0.0000  0.3395  0.5000  1
]