data_[B4Ru4]
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
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [2.8460]
_cell_length_b [7.8053]
_cell_length_c [3.5587]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [BRu]
_chemical_formula_sum '[B4 Ru4]'
_cell_volume [79.0517]
_cell_formula_units_Z [4]
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  4  0.0000  0.4210  0.2500  1.0
  Ru  Ru1  4  0.0000  0.1368  0.2500  1.0
]