data_[Ta3Mn3Cu6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Mn  1.5500  1.4000  0.6483
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [2.7822]
_cell_length_b [2.7822]
_cell_length_c [25.8045]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [TaMnCu2]
_chemical_formula_sum '[Ta3 Mn3 Cu6]'
_cell_volume [172.9845]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.2506  1
  Mn  Mn1  3  0.0000  0.0000  0.4948  1
  Cu  Cu2  3  0.0000  0.0000  0.0054  1
  Cu  Cu3  3  0.0000  0.0000  0.7492  1
]