data_[Be4Zn2Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Zn  1.6500  1.3500  0.8800
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [5.9387]
_cell_length_b [5.9387]
_cell_length_c [3.1612]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Be2ZnRu2]
_chemical_formula_sum '[Be4 Zn2 Ru4]'
_cell_volume [111.4900]
_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
[
  Be  Be0  4  0.1233  0.6233  0.0000  1.0
  Zn  Zn1  2  0.0000  0.0000  0.0000  1.0
  Ru  Ru2  4  0.1721  0.3279  0.5000  1.0
]