data_[Sc2Be4Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sc  1.3600  1.6000  0.8850
  Be  1.5700  1.0500  0.5900
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [6.0840]
_cell_length_b [6.0840]
_cell_length_c [4.6714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Sc(BeCu2)2]
_chemical_formula_sum '[Sc2 Be4 Cu8]'
_cell_volume [172.9139]
_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
[
  Sc  Sc0  2  0.0000  0.0000  0.0000  1
  Be  Be1  4  0.0000  0.5000  0.2500  1
  Cu  Cu2  8  0.1979  0.1979  0.5000  1
]