data_[Sr4Nb8Cr4N16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Nb  1.6000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.2218]
_cell_length_b [11.0502]
_cell_length_c [10.9506]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrNb2CrN4]
_chemical_formula_sum '[Sr4 Nb8 Cr4 N16]'
_cell_volume [389.8631]
_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  0.1015  0.7500  1.0
  Nb  Nb1  8  0.0000  0.3698  0.5415  1.0
  Cr  Cr2  4  0.0000  0.1641  0.2500  1.0
  N  N3  8  0.0000  0.2660  0.1140  1.0
  N  N4  4  0.0000  0.0000  0.0000  1.0
  N  N5  4  0.0000  0.4209  0.7500  1.0
]