data_[Sr4Be2W2N8]
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
  W  2.3600  1.3500  0.7667
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [5.6813]
_cell_length_b [6.8173]
_cell_length_c [6.1779]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Sr2BeWN4]
_chemical_formula_sum '[Sr4 Be2 W2 N8]'
_cell_volume [239.2781]
_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  4  0.0000  0.2518  0.2600  1.0
  Be  Be1  2  0.0000  0.0000  0.8282  1.0
  W  W2  2  0.0000  0.5000  0.8204  1.0
  N  N3  4  0.0000  0.2551  0.6704  1.0
  N  N4  4  0.2399  0.0000  0.9947  1.0
]