data_[Be12Co4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [4.5247]
_cell_length_b [6.5363]
_cell_length_c [4.5490]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Be3Co]
_chemical_formula_sum '[Be12 Co4]'
_cell_volume [134.5344]
_cell_formula_units_Z [4]
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  8  0.2500  0.0071  0.7500  1.0
  Be  Be1  4  0.0000  0.2500  0.5177  1.0
  Co  Co2  4  0.0000  0.2500  0.0315  1.0
]