data_[Nd6Eu2Se6O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Eu  1.2000  1.8500  1.1985
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [8.1368]
_cell_length_b [4.0662]
_cell_length_c [13.3418]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Nd3EuSe3O4]
_chemical_formula_sum '[Nd6 Eu2 Se6 O8]'
_cell_volume [441.4312]
_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  0.2389  0.0000  0.6761  1
  Nd  Nd1  2  0.5000  0.0000  0.0132  1
  Eu  Eu2  2  0.0000  0.0000  0.0054  1
  Se  Se3  4  0.3269  0.0000  0.3556  1
  Se  Se4  2  0.0000  0.0000  0.3205  1
  O  O5  4  0.2522  0.0000  0.0930  1
  O  O6  2  0.0000  0.0000  0.5918  1
  O  O7  2  0.5000  0.0000  0.6024  1
]