data_[Nd2Mg2Be2N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Mg  1.3100  1.5000  0.8600
  Be  1.5700  1.0500  0.5900
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [5.6189]
_cell_length_b [4.0433]
_cell_length_c [6.0118]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9347]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [NdMgBeN2]
_chemical_formula_sum '[Nd2 Mg2 Be2 N4]'
_cell_volume [133.1167]
_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
[
  Nd  Nd0  2  0.5000  0.2293  0.2500  1
  Mg  Mg1  2  0.0000  0.4848  0.7500  1
  Be  Be2  2  0.0000  0.0000  0.0000  1
  N  N3  4  0.2169  0.2525  0.5432  1
]