data_[Sm8Nb4W4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Nb  1.6000  1.4500  0.8200
  W  2.3600  1.3500  0.7667
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.3486]
_cell_length_b [13.3100]
_cell_length_c [10.5464]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sm2NbWN5]
_chemical_formula_sum '[Sm8 Nb4 W4 N20]'
_cell_volume [470.0542]
_cell_formula_units_Z [4]
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
[
  Sm  Sm0  4  0.0000  0.1070  0.6910  1.0
  Sm  Sm1  4  0.0000  0.1491  0.2944  1.0
  Nb  Nb2  4  0.0000  0.2212  0.0148  1.0
  W  W3  4  0.0000  0.4727  0.4599  1.0
  N  N4  4  0.0000  0.0480  0.0505  1.0
  N  N5  4  0.0000  0.2802  0.6468  1.0
  N  N6  4  0.0000  0.3222  0.3806  1.0
  N  N7  4  0.0000  0.3726  0.0008  1.0
  N  N8  4  0.0000  0.4879  0.7852  1.0
]