data_Cr4Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.65
_cell_length_b   4.65
_cell_length_c   4.65
_cell_angle_alpha   100.69
_cell_angle_beta   100.69
_cell_angle_gamma   128.98
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr4Pb
_chemical_formula_sum   'Cr4 Pb1'
_cell_volume   70.46
_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
  Cr  Cr0  1  0.53  0.05  0.0  1.0
  Cr  Cr1  1  0.05  0.4  0.0  1.0
  Cr  Cr2  1  0.43  0.91  0.0  1.0
  Cr  Cr3  1  0.91  0.57  0.0  1.0
  Pb  Pb4  1  0.0  0.0  0.0  1.0

data_Cr4Pb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.0
_cell_length_b   8.39
_cell_length_c   4.65
_cell_angle_alpha   90.0
_cell_angle_beta   115.51
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Cr4Pb
_chemical_formula_sum   'Cr8 Pb2'
_cell_volume   140.93
_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
  Cr  Cr0  2  0.05  0.0  0.52  1.0
  Cr  Cr1  2  0.07  0.5  0.65  1.0
  Cr  Cr2  2  0.4  0.0  0.35  1.0
  Cr  Cr3  2  0.41  0.5  0.48  1.0
  Pb  Pb4  2  0.0  0.0  0.0  1.0

Cr Cr Cr Cr Pb