data_[Ta8Fe4C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Fe  1.8300  1.4000  0.8525
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [5.1741]
_cell_length_b [7.1673]
_cell_length_c [5.4698]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Ta2FeC]
_chemical_formula_sum '[Ta8 Fe4 C4]'
_cell_volume [202.8425]
_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
[
  Ta  Ta0  8  0.2366  0.0512  0.3821  1
  Fe  Fe1  4  0.0283  0.2500  0.7748  1
  C  C2  4  0.1359  0.7500  0.5566  1
]