data_[Rb1Be2Ni1W1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Be  1.5700  1.0500  0.5900
  Ni  1.9100  1.3500  0.7400
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.3839]
_cell_length_b [4.3839]
_cell_length_c [4.8773]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [RbBe2NiW]
_chemical_formula_sum '[Rb1 Be2 Ni1 W1]'
_cell_volume [93.7360]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Be  Be1  2  0.0000  0.5000  0.0000  1
  Ni  Ni2  1  0.5000  0.5000  0.5000  1
  W  W3  1  0.0000  0.0000  0.5000  1
]