data_Ta2CdBr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.07
_cell_length_b   4.07
_cell_length_c   4.95
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2CdBr
_chemical_formula_sum   'Ta2 Cd1 Br1'
_cell_volume   82.02
_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  Ta2  1  0.04  0.0  0.48  1.0
  Ta  Ta3  1  0.0  0.04  0.48  1.0
  Cd  Cd1  1  0.04  0.04  0.0  1.0
  Br  Br0  1  0.0  0.0  0.0  1.0

data_Ta2CdBr
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.76
_cell_length_b   5.76
_cell_length_c   4.95
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ta2CdBr
_chemical_formula_sum   'Ta4 Cd2 Br2'
_cell_volume   164.03
_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  0.02  0.02  0.48  1.0
  Cd  Cd1  2  0.04  0.0  0.0  1.0
  Br  Br2  2  0.0  0.0  0.0  1.0

Ta Ta Cd Br
(Ta)2CdBr is alpha oxygen-derived structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two cadmium hydrogen bromide molecules and two tantalum molecules.