data_[Rb4B4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [5.7302]
_cell_length_b [9.8207]
_cell_length_c [3.2613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.0378]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbB]
_chemical_formula_sum '[Rb4 B4]'
_cell_volume [181.2522]
_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
[
  Rb  Rb0  4  0.0000  0.1665  0.2500  1
  B  B1  4  0.0000  0.4996  0.7500  1
]