data_La2SiBi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.47
_cell_length_b   6.47
_cell_length_c   6.47
_cell_angle_alpha   138.49
_cell_angle_beta   138.49
_cell_angle_gamma   60.15
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2SiBi
_chemical_formula_sum   'La2 Si1 Bi1'
_cell_volume   117.74
_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
  La  La1  1  0.0  0.0  0.6  1.0
  La  La2  1  0.0  0.29  0.8  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.29  0.0  0.8  1.0

data_La2SiBi
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.59
_cell_length_b   4.59
_cell_length_c   6.47
_cell_angle_alpha   110.75
_cell_angle_beta   110.75
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2SiBi
_chemical_formula_sum   'La2 Si1 Bi1'
_cell_volume   117.74
_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
  La  La0  1  0.51  0.8  0.51  1.0
  La  La1  1  0.6  0.6  0.6  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  Bi  Bi3  1  0.8  0.51  0.51  1.0

La La Si Bi
La2SiBi crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one La2SiBi cluster. There are two inequivalent La sites. In the first La site, La(1) is bonded in a distorted single-bond geometry to one La(2), one Si(1), and one Bi(1) atom. The La(1)-La(2) bond length is 1.26 Å. The La(1)-Si(1) bond length is 2.59 Å. The La(1)-Bi(1) bond length is 1.26 Å. In the second La site, La(2) is bonded in a 1-coordinate geometry to one La(1) atom. Si(1) is bonded in a 1-coordinate geometry to one La(1) atom. Bi(1) is bonded in a single-bond geometry to one La(1) atom.