data_[B2Ru4N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  B  2.0400  0.8500  0.4100
  Ru  2.2000  1.3000  0.6610
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [2.7733]
_cell_length_b [7.2377]
_cell_length_c [4.5039]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [BRu2N]
_chemical_formula_sum '[B2 Ru4 N2]'
_cell_volume [90.4017]
_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
[
  B  B0  2  0.0000  0.5000  0.1043  1
  Ru  Ru1  4  0.0000  0.2088  0.9993  1
  N  N2  2  0.0000  0.5000  0.4280  1
]