The structure described by La8(PbBi)3 crystallizes in the monoclinic C2 space group. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. In the second La site, La(2) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. In the third La site, La(3) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. In the fourth La site, La(4) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted PbLa8 hexagonal bipyramids that share corners with four equivalent Pb(2)La8 hexagonal bipyramids, corners with four equivalent Bi(1)La8 hexagonal bipyramids, edges with four equivalent Bi(2)La8 hexagonal bipyramids, faces with four equivalent Pb(2)La8 hexagonal bipyramids, and faces with four equivalent Bi(1)La8 hexagonal bipyramids. In the second Pb site, Pb(2) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted PbLa8 hexagonal bipyramids that share corners with two equivalent Pb(1)La8 hexagonal bipyramids, corners with two equivalent Bi(2)La8 hexagonal bipyramids, corners with four equivalent Bi(1)La8 hexagonal bipyramids, edges with four equivalent Pb(2)La8 hexagonal bipyramids, faces with two equivalent Pb(1)La8 hexagonal bipyramids, faces with two equivalent Bi(2)La8 hexagonal bipyramids, and faces with four equivalent Bi(1)La8 hexagonal bipyramids. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted BiLa8 hexagonal bipyramids that share corners with two equivalent Pb(1)La8 hexagonal bipyramids, corners with two equivalent Bi(2)La8 hexagonal bipyramids, corners with four equivalent Pb(2)La8 hexagonal bipyramids, edges with four equivalent Bi(1)La8 hexagonal bipyramids, faces with two equivalent Pb(1)La8 hexagonal bipyramids, faces with two equivalent Bi(2)La8 hexagonal bipyramids, and faces with four equivalent Pb(2)La8 hexagonal bipyramids. In the second Bi site, Bi(2) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted BiLa8 hexagonal bipyramids that share corners with four equivalent Pb(2)La8 hexagonal bipyramids, corners with four equivalent Bi(1)La8 hexagonal bipyramids, edges with four equivalent Pb(1)La8 hexagonal bipyramids, faces with four equivalent Pb(2)La8 hexagonal bipyramids, and faces with four equivalent Bi(1)La8 hexagonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_La8(BiPb)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.575
_cell_length_b   8.575
_cell_length_c   9.870
_cell_angle_alpha   54.830
_cell_angle_beta   54.830
_cell_angle_gamma   70.466
_symmetry_Int_Tables_number   1
_cell_volume   484.935
_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  0.354  0.999  0.252  1.0
  La  La1  1  0.144  0.501  0.106  1.0
  La  La2  1  0.499  0.856  0.894  1.0
  La  La3  1  0.001  0.646  0.748  1.0
  La  La4  1  0.646  0.501  0.605  1.0
  La  La5  1  0.856  1.000  0.252  1.0
  La  La6  1  0.499  0.354  0.395  1.0
  La  La7  1  0.000  0.144  0.748  1.0
  Bi  Bi8  1  0.250  0.250  0.875  1.0
  Bi  Bi9  1  0.750  0.750  0.125  1.0
  Bi  Bi10  1  0.626  0.374  0.000  1.0
  Pb  Pb11  1  0.874  0.126  0.500  1.0
  Pb  Pb12  1  0.126  0.625  0.375  1.0
  Pb  Pb13  1  0.375  0.874  0.625  1.0
[/CIF]
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The structure described by La8(PbBi)3 crystallizes in the monoclinic C2 space group. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. In the second La site, La(2) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. In the third La site, La(3) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. In the fourth La site, La(4) is bonded in a 6-coordinate geometry to one Pb(1), two equivalent Pb(2), one Bi(2), and two equivalent Bi(1) atoms. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted PbLa8 hexagonal bipyramids that share corners with four equivalent Pb(2)La8 hexagonal bipyramids, corners with four equivalent Bi(1)La8 hexagonal bipyramids, edges with four equivalent Bi(2)La8 hexagonal bipyramids, faces with four equivalent Pb(2)La8 hexagonal bipyramids, and faces with four equivalent Bi(1)La8 hexagonal bipyramids. In the second Pb site, Pb(2) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted PbLa8 hexagonal bipyramids that share corners with two equivalent Pb(1)La8 hexagonal bipyramids, corners with two equivalent Bi(2)La8 hexagonal bipyramids, corners with four equivalent Bi(1)La8 hexagonal bipyramids, edges with four equivalent Pb(2)La8 hexagonal bipyramids, faces with two equivalent Pb(1)La8 hexagonal bipyramids, faces with two equivalent Bi(2)La8 hexagonal bipyramids, and faces with four equivalent Bi(1)La8 hexagonal bipyramids. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted BiLa8 hexagonal bipyramids that share corners with two equivalent Pb(1)La8 hexagonal bipyramids, corners with two equivalent Bi(2)La8 hexagonal bipyramids, corners with four equivalent Pb(2)La8 hexagonal bipyramids, edges with four equivalent Bi(1)La8 hexagonal bipyramids, faces with two equivalent Pb(1)La8 hexagonal bipyramids, faces with two equivalent Bi(2)La8 hexagonal bipyramids, and faces with four equivalent Pb(2)La8 hexagonal bipyramids. In the second Bi site, Bi(2) is bonded to two equivalent La(1), two equivalent La(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted BiLa8 hexagonal bipyramids that share corners with four equivalent Pb(2)La8 hexagonal bipyramids, corners with four equivalent Bi(1)La8 hexagonal bipyramids, edges with four equivalent Pb(1)La8 hexagonal bipyramids, faces with four equivalent Pb(2)La8 hexagonal bipyramids, and faces with four equivalent Bi(1)La8 hexagonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_La8(BiPb)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.575
_cell_length_b   8.575
_cell_length_c   9.870
_cell_angle_alpha   54.830
_cell_angle_beta   54.830
_cell_angle_gamma   70.466
_symmetry_Int_Tables_number   1
_cell_volume   484.935
_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  0.354  0.999  0.252  1.0
  La  La1  1  0.144  0.501  0.106  1.0
  La  La2  1  0.499  0.856  0.894  1.0
  La  La3  1  0.001  0.646  0.748  1.0
  La  La4  1  0.646  0.501  0.605  1.0
  La  La5  1  0.856  1.000  0.252  1.0
  La  La6  1  0.499  0.354  0.395  1.0
  La  La7  1  0.000  0.144  0.748  1.0
  Bi  Bi8  1  0.250  0.250  0.875  1.0
  Bi  Bi9  1  0.750  0.750  0.125  1.0
  Bi  Bi10  1  0.626  0.374  0.000  1.0
  Pb  Pb11  1  0.874  0.126  0.500  1.0
  Pb  Pb12  1  0.126  0.625  0.375  1.0
  Pb  Pb13  1  0.375  0.874  0.625  1.0
[/CIF]
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