data_VTc2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.17
_cell_length_b   6.17
_cell_length_c   4.02
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VTc2
_chemical_formula_sum   'V3 Tc6'
_cell_volume   132.64
_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
  V  V6  1  0.0  0.0  0.0  1.0
  V  V7  1  0.0  0.56  0.01  1.0
  V  V8  1  0.09  0.78  0.01  1.0
  Tc  Tc0  1  0.22  0.35  0.01  1.0
  Tc  Tc1  1  0.24  0.05  0.0  1.0
  Tc  Tc2  1  0.55  0.0  0.01  1.0
  Tc  Tc3  1  0.31  0.0  0.01  1.0
  Tc  Tc4  1  0.53  0.0  0.0  1.0
  Tc  Tc5  1  0.32  0.29  0.0  1.0

data_VTc2
_symmetry_space_group_name_H-M   Pm
_cell_length_a   6.17
_cell_length_b   4.02
_cell_length_c   6.17
_cell_angle_alpha   90.0
_cell_angle_beta   120.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   VTc2
_chemical_formula_sum   'V3 Tc6'
_cell_volume   132.64
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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
  V  V0  1  -0.0  0.0  0.56  1.0
  V  V1  1  0.0  0.0  0.0  1.0
  V  V2  1  0.09  0.0  0.78  1.0
  Tc  Tc3  1  0.22  0.0  0.35  1.0
  Tc  Tc4  1  0.24  0.0  0.05  1.0
  Tc  Tc5  1  0.31  0.0  0.0  1.0
  Tc  Tc6  1  0.32  0.0  0.29  1.0
  Tc  Tc7  1  0.53  0.0  0.0  1.0
  Tc  Tc8  1  0.55  0.0  0.0  1.0

V V V Tc Tc Tc Tc Tc Tc
V V V Tc Tc Tc Tc Tc Tc 0 4 o o o 1 2 o o o 2 4 o + o 2 6 o + o 3 8 o o o 4 6 o o o 5 7 o o o 