data_Ta8C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.0
_cell_length_b   7.0
_cell_length_c   7.0
_cell_angle_alpha   93.15
_cell_angle_beta   93.15
_cell_angle_gamma   152.88
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta8C
_chemical_formula_sum   'Ta8 C1'
_cell_volume   151.94
_cell_formula_units_Z   1
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  Ta1  1  0.47  0.53  0.64  1.0
  Ta  Ta2  1  0.53  0.47  0.64  1.0
  Ta  Ta3  1  0.18  0.0  0.0  1.0
  Ta  Ta4  1  0.47  0.47  0.64  1.0
  Ta  Ta5  1  0.0  0.18  0.0  1.0
  Ta  Ta6  1  0.34  0.34  0.0  1.0
  Ta  Ta7  1  0.44  0.0  0.0  1.0
  Ta  Ta8  1  0.0  0.44  0.0  1.0
  C  C0  1  0.0  0.0  0.0  1.0

data_Ta8C
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.28
_cell_length_b   13.61
_cell_length_c   7.0
_cell_angle_alpha   90.0
_cell_angle_beta   103.56
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ta8C
_chemical_formula_sum   'Ta16 C2'
_cell_volume   303.87
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  4  0.14  0.03  0.64  1.0
  Ta  Ta1  4  0.28  0.28  0.0  1.0
  Ta  Ta2  4  0.41  0.41  0.0  1.0
  Ta  Ta3  2  0.16  0.5  -0.0  1.0
  Ta  Ta4  2  0.17  0.0  0.64  1.0
  C  C5  2  0.0  0.0  0.0  1.0

Ta Ta Ta Ta Ta Ta Ta Ta C
Ta Ta Ta Ta Ta Ta Ta Ta C 0 3 o o o 1 3 o o o 2 5 o o o 2 8 o o o 2 6 o o o 4 8 o o o 4 5 o o o 4 7 o o o 5 8 o o o 6 7 o - o 6 7 + o o 