data_[Sr2Be2Nb2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Be  1.5700  1.0500  0.5900
  Nb  1.6000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.0491]
_cell_length_b [3.1806]
_cell_length_c [7.1075]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.6918]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SrBeNbN3]
_chemical_formula_sum '[Sr2 Be2 Nb2 N6]'
_cell_volume [151.8177]
_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
[
  Sr  Sr0  2  0.2011  0.2500  0.2349  1.0
  Be  Be1  2  0.0784  0.2500  0.6019  1.0
  Nb  Nb2  2  0.3299  0.7500  0.8357  1.0
  N  N3  2  0.1345  0.2500  0.8539  1.0
  N  N4  2  0.1682  0.7500  0.5371  1.0
  N  N5  2  0.4618  0.7500  0.1579  1.0
]