data_[Sr4Y8Nb4N16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Y  1.2200  1.8000  1.0400
  Nb  1.6000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.4728]
_cell_length_b [12.2101]
_cell_length_c [12.2110]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrY2NbN4]
_chemical_formula_sum '[Sr4 Y8 Nb4 N16]'
_cell_volume [517.7790]
_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
[
  Sr  Sr0  4  0.0000  0.0991  0.7500  1
  Y  Y1  8  0.0000  0.3713  0.5344  1
  Nb  Nb2  4  0.0000  0.1662  0.2500  1
  N  N3  8  0.0000  0.2575  0.1190  1
  N  N4  4  0.0000  0.0000  0.0000  1
  N  N5  4  0.0000  0.4254  0.7500  1
]