data_[Ta12C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [5.9545]
_cell_length_b [7.3835]
_cell_length_c [5.3458]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Ta3C]
_chemical_formula_sum '[Ta12 C4]'
_cell_volume [235.0309]
_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  0.1780  0.5638  0.6640  1
  Ta  Ta1  4  0.0338  0.7500  0.1647  1
  C  C2  4  0.1333  0.2500  0.4575  1
]