data_[Ta8Co2Cu2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Co  1.8800  1.3500  0.7683
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P4/mcc]
_cell_length_a [6.2369]
_cell_length_b [6.2369]
_cell_length_c [4.9244]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [124]
_chemical_formula_structural [Ta4CoCu]
_chemical_formula_sum '[Ta8 Co2 Cu2]'
_cell_volume [191.5536]
_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
[
  Ta  Ta0  8  0.1655  0.3488  0.5000  1
  Co  Co1  2  0.5000  0.5000  0.2500  1
  Cu  Cu2  2  0.0000  0.0000  0.2500  1
]