data_[Nd2Sb2Se4O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.0591]
_cell_length_b [4.0591]
_cell_length_c [14.6761]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [NdSbSe2O]
_chemical_formula_sum '[Nd2 Sb2 Se4 O2]'
_cell_volume [241.8015]
_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  2  0.0000  0.5000  0.4184  1
  Sb  Sb1  2  0.0000  0.5000  0.8645  1
  Se  Se2  2  0.0000  0.5000  0.1075  1
  Se  Se3  2  0.0000  0.5000  0.6890  1
  O  O4  2  0.0000  0.0000  0.5000  1
]