data_DyBr2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.29
_cell_length_b   7.29
_cell_length_c   3.65
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   DyBr2
_chemical_formula_sum   'Dy2 Br4'
_cell_volume   194.18
_cell_formula_units_Z   2
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
  Dy  Dy0  1  0.0  0.0  0.0  1.0
  Dy  Dy1  1  0.64  0.64  0.83  1.0
  Br  Br2  1  0.04  0.04  0.0  1.0
  Br  Br3  1  0.25  0.25  0.0  1.0
  Br  Br4  1  0.69  0.6  0.83  1.0
  Br  Br5  1  0.6  0.69  0.83  1.0

data_DyBr2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   10.31
_cell_length_b   10.31
_cell_length_c   3.65
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   DyBr2
_chemical_formula_sum   'Dy4 Br8'
_cell_volume   388.37
_cell_formula_units_Z   4
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
  Dy  Dy0  2  0.0  0.0  0.0  1.0
  Dy  Dy1  2  0.14  0.5  0.83  1.0
  Br  Br2  4  0.14  0.46  0.83  1.0
  Br  Br3  2  0.04  0.0  -0.0  1.0
  Br  Br4  2  0.25  0.0  -0.0  1.0

Dy Dy Br Br Br Br