data_[Sr2Er2Re2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Er  1.2400  1.7500  1.0300
  Re  1.9000  1.3500  0.7125
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.8505]
_cell_length_b [5.9383]
_cell_length_c [7.0358]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6044]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SrErReN4]
_chemical_formula_sum '[Sr2 Er2 Re2 N8]'
_cell_volume [234.2450]
_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  0.2744  0.2500  0.0679  1
  Er  Er1  2  0.1937  0.2500  0.5389  1
  Re  Re2  2  0.2620  0.7500  0.3261  1
  N  N3  4  0.0522  0.5089  0.2889  1
  N  N4  2  0.4556  0.7500  0.5750  1
  N  N5  2  0.4624  0.7500  0.1689  1
]