data_[Rb2Ti2B2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ti  1.5400  1.4000  0.8517
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.1788]
_cell_length_b [4.1788]
_cell_length_c [11.0904]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [RbTiB]
_chemical_formula_sum '[Rb2 Ti2 B2]'
_cell_volume [193.6686]
_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
[
  Rb  Rb0  2  0.0000  0.5000  0.7699  1
  Ti  Ti1  2  0.0000  0.0000  0.5000  1
  B  B2  2  0.0000  0.5000  0.4229  1
]