data_[Be2Ir1Pt1C1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Ir  2.2000  1.3500  0.7650
  Pt  2.2800  1.3500  0.8050
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.0900]
_cell_length_b [4.0900]
_cell_length_c [4.9657]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Be2IrPtC]
_chemical_formula_sum '[Be2 Ir1 Pt1 C1]'
_cell_volume [83.0691]
_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
[
  Be  Be0  2  0.0000  0.5000  0.0000  1
  Ir  Ir1  1  0.0000  0.0000  0.5000  1
  Pt  Pt2  1  0.0000  0.0000  0.0000  1
  C  C3  1  0.5000  0.5000  0.5000  1
]