data_BeSiBi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.31
_cell_length_b   6.08
_cell_length_c   3.31
_cell_angle_alpha   78.51
_cell_angle_beta   70.56
_cell_angle_gamma   30.93
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BeSiBi
_chemical_formula_sum   'Be1 Si1 Bi1'
_cell_volume   60.62
_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
  Be  Be0  1  0.0  0.64  0.12  1.0
  Si  Si2  1  0.0  0.64  0.43  1.0
  Bi  Bi1  1  0.0  0.64  0.39  1.0

data_BeSiBi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.01
_cell_length_b   11.47
_cell_length_c   3.31
_cell_angle_alpha   90.0
_cell_angle_beta   127.2
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BeSiBi
_chemical_formula_sum   'Be2 Si2 Bi2'
_cell_volume   121.23
_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
  Be  Be0  2  0.12  0.0  0.13  1.0
  Si  Si1  2  0.43  0.0  0.44  1.0
  Bi  Bi2  2  0.39  0.0  0.39  1.0

Be Si Bi