The structure described by Ba11(Cd4Bi7)2 is Magnesium tetraboride-derived structured and crystallizes in the triclinic P-1 space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one Bi(4), two equivalent Bi(3), two equivalent Bi(5), and three equivalent Bi(6) atoms. In the second Ba site, Ba(2) is bonded to one Bi(5), one Bi(7), two equivalent Bi(2), and two equivalent Bi(4) atoms to form distorted BaBi6 octahedra that share corners with two equivalent Ba(6)Cd4Bi6 octahedra, edges with two equivalent Ba(2)Bi6 octahedra, and  a faceface with one Ba(6)Cd4Bi6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the third Ba site, Ba(3) is bonded in a 11-coordinate geometry to two equivalent Cd(2), two equivalent Cd(3), one Bi(3), one Bi(4), two equivalent Bi(1), and three equivalent Bi(6) atoms. In the fourth Ba site, Ba(4) is bonded in a 10-coordinate geometry to two equivalent Cd(1), two equivalent Cd(4), two equivalent Bi(2), two equivalent Bi(3), and two equivalent Bi(5) atoms. In the fifth Ba site, Ba(5) is bonded in a 7-coordinate geometry to one Cd(4), one Bi(4), two equivalent Bi(7), and four equivalent Bi(1) atoms. In the sixth Ba site, Ba(6) is bonded to four equivalent Cd(4), two equivalent Bi(7), and four equivalent Bi(2) atoms to form distorted BaCd4Bi6 octahedra that share corners with four equivalent Ba(2)Bi6 octahedra, faces with two equivalent Ba(2)Bi6 octahedra, and faces with two equivalent Ba(6)Cd4Bi6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are four inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 6-coordinate geometry to two equivalent Ba(4), one Bi(2), and three equivalent Bi(5) atoms. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to two equivalent Ba(3), one Bi(1), one Bi(6), and two equivalent Bi(4) atoms. In the third Cd site, Cd(3) is bonded in a 4-coordinate geometry to two equivalent Ba(3), one Bi(1), one Bi(7), and two equivalent Bi(3) atoms. In the fourth Cd site, Cd(4) is bonded in a 9-coordinate geometry to one Ba(5), two equivalent Ba(4), two equivalent Ba(6), one Bi(2), one Bi(3), and two equivalent Bi(7) atoms. There are seven inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 9-coordinate geometry to two equivalent Ba(3), four equivalent Ba(5), one Cd(2), one Cd(3), and one Bi(1) atom. In the second Bi site, Bi(2) is bonded in a 8-coordinate geometry to two equivalent Ba(2), two equivalent Ba(4), two equivalent Ba(6), one Cd(1), and one Cd(4) atom. In the third Bi site, Bi(3) is bonded in a 8-coordinate geometry to one Ba(3), two equivalent Ba(1), two equivalent Ba(4), one Cd(4), and two equivalent Cd(3) atoms. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(3), one Ba(5), two equivalent Ba(2), and two equivalent Cd(2) atoms. In the fifth Bi site, Bi(5) is bonded in a 8-coordinate geometry to one Ba(2), two equivalent Ba(1), two equivalent Ba(4), and three equivalent Cd(1) atoms. In the sixth Bi site, Bi(6) is bonded in a 9-coordinate geometry to three equivalent Ba(1), three equivalent Ba(3), one Cd(2), and two equivalent Bi(6) atoms. In the seventh Bi site, Bi(7) is bonded in a 7-coordinate geometry to one Ba(2), one Ba(6), two equivalent Ba(5), one Cd(3), and two equivalent Cd(4) atoms. is represented by the CIF card [CIF]
data_Ba11(Cd4Bi7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.018
_cell_length_b   14.614
_cell_length_c   17.215
_cell_angle_alpha   91.437
_cell_angle_beta   89.998
_cell_angle_gamma   99.808
_symmetry_Int_Tables_number   1
_cell_volume   1243.517
_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
  Ba  Ba0  1  0.750  0.495  0.704  1.0
  Ba  Ba1  1  0.382  0.765  0.840  1.0
  Ba  Ba2  1  0.147  0.289  0.535  1.0
  Ba  Ba3  1  0.653  0.310  0.900  1.0
  Ba  Ba4  1  0.994  0.983  0.634  1.0
  Ba  Ba5  1  0.500  0.000  0.000  1.0
  Ba  Ba6  1  0.250  0.505  0.296  1.0
  Ba  Ba7  1  0.347  0.690  0.100  1.0
  Ba  Ba8  1  0.853  0.711  0.465  1.0
  Ba  Ba9  1  0.618  0.235  0.160  1.0
  Ba  Ba10  1  0.006  0.017  0.366  1.0
  Cd  Cd11  1  0.805  0.597  0.959  1.0
  Cd  Cd12  1  0.369  0.745  0.612  1.0
  Cd  Cd13  1  0.195  0.403  0.041  1.0
  Cd  Cd14  1  0.600  0.189  0.685  1.0
  Cd  Cd15  1  0.631  0.255  0.388  1.0
  Cd  Cd16  1  0.944  0.878  0.159  1.0
  Cd  Cd17  1  0.056  0.122  0.841  1.0
  Cd  Cd18  1  0.400  0.811  0.315  1.0
  Bi  Bi19  1  0.561  0.114  0.518  1.0
  Bi  Bi20  1  0.910  0.813  0.988  1.0
  Bi  Bi21  1  0.153  0.299  0.738  1.0
  Bi  Bi22  1  0.090  0.187  0.012  1.0
  Bi  Bi23  1  0.847  0.701  0.262  1.0
  Bi  Bi24  1  0.867  0.740  0.699  1.0
  Bi  Bi25  1  0.263  0.515  0.883  1.0
  Bi  Bi26  1  0.439  0.886  0.482  1.0
  Bi  Bi27  1  0.729  0.458  0.461  1.0
  Bi  Bi28  1  0.494  0.980  0.209  1.0
  Bi  Bi29  1  0.271  0.542  0.539  1.0
  Bi  Bi30  1  0.133  0.260  0.301  1.0
  Bi  Bi31  1  0.506  0.020  0.791  1.0
  Bi  Bi32  1  0.737  0.485  0.117  1.0
[/CIF]
.
The structure described by Ba11(Cd4Bi7)2 is Magnesium tetraboride-derived structured and crystallizes in the triclinic P-1 space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one Bi(4), two equivalent Bi(3), two equivalent Bi(5), and three equivalent Bi(6) atoms. In the second Ba site, Ba(2) is bonded to one Bi(5), one Bi(7), two equivalent Bi(2), and two equivalent Bi(4) atoms to form distorted BaBi6 octahedra that share corners with two equivalent Ba(6)Cd4Bi6 octahedra, edges with two equivalent Ba(2)Bi6 octahedra, and  a faceface with one Ba(6)Cd4Bi6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the third Ba site, Ba(3) is bonded in a 11-coordinate geometry to two equivalent Cd(2), two equivalent Cd(3), one Bi(3), one Bi(4), two equivalent Bi(1), and three equivalent Bi(6) atoms. In the fourth Ba site, Ba(4) is bonded in a 10-coordinate geometry to two equivalent Cd(1), two equivalent Cd(4), two equivalent Bi(2), two equivalent Bi(3), and two equivalent Bi(5) atoms. In the fifth Ba site, Ba(5) is bonded in a 7-coordinate geometry to one Cd(4), one Bi(4), two equivalent Bi(7), and four equivalent Bi(1) atoms. In the sixth Ba site, Ba(6) is bonded to four equivalent Cd(4), two equivalent Bi(7), and four equivalent Bi(2) atoms to form distorted BaCd4Bi6 octahedra that share corners with four equivalent Ba(2)Bi6 octahedra, faces with two equivalent Ba(2)Bi6 octahedra, and faces with two equivalent Ba(6)Cd4Bi6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are four inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 6-coordinate geometry to two equivalent Ba(4), one Bi(2), and three equivalent Bi(5) atoms. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to two equivalent Ba(3), one Bi(1), one Bi(6), and two equivalent Bi(4) atoms. In the third Cd site, Cd(3) is bonded in a 4-coordinate geometry to two equivalent Ba(3), one Bi(1), one Bi(7), and two equivalent Bi(3) atoms. In the fourth Cd site, Cd(4) is bonded in a 9-coordinate geometry to one Ba(5), two equivalent Ba(4), two equivalent Ba(6), one Bi(2), one Bi(3), and two equivalent Bi(7) atoms. There are seven inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 9-coordinate geometry to two equivalent Ba(3), four equivalent Ba(5), one Cd(2), one Cd(3), and one Bi(1) atom. In the second Bi site, Bi(2) is bonded in a 8-coordinate geometry to two equivalent Ba(2), two equivalent Ba(4), two equivalent Ba(6), one Cd(1), and one Cd(4) atom. In the third Bi site, Bi(3) is bonded in a 8-coordinate geometry to one Ba(3), two equivalent Ba(1), two equivalent Ba(4), one Cd(4), and two equivalent Cd(3) atoms. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(3), one Ba(5), two equivalent Ba(2), and two equivalent Cd(2) atoms. In the fifth Bi site, Bi(5) is bonded in a 8-coordinate geometry to one Ba(2), two equivalent Ba(1), two equivalent Ba(4), and three equivalent Cd(1) atoms. In the sixth Bi site, Bi(6) is bonded in a 9-coordinate geometry to three equivalent Ba(1), three equivalent Ba(3), one Cd(2), and two equivalent Bi(6) atoms. In the seventh Bi site, Bi(7) is bonded in a 7-coordinate geometry to one Ba(2), one Ba(6), two equivalent Ba(5), one Cd(3), and two equivalent Cd(4) atoms. is represented by the CIF card [CIF]
data_Ba11(Cd4Bi7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.018
_cell_length_b   14.614
_cell_length_c   17.215
_cell_angle_alpha   91.437
_cell_angle_beta   89.998
_cell_angle_gamma   99.808
_symmetry_Int_Tables_number   1
_cell_volume   1243.517
_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
  Ba  Ba0  1  0.750  0.495  0.704  1.0
  Ba  Ba1  1  0.382  0.765  0.840  1.0
  Ba  Ba2  1  0.147  0.289  0.535  1.0
  Ba  Ba3  1  0.653  0.310  0.900  1.0
  Ba  Ba4  1  0.994  0.983  0.634  1.0
  Ba  Ba5  1  0.500  0.000  0.000  1.0
  Ba  Ba6  1  0.250  0.505  0.296  1.0
  Ba  Ba7  1  0.347  0.690  0.100  1.0
  Ba  Ba8  1  0.853  0.711  0.465  1.0
  Ba  Ba9  1  0.618  0.235  0.160  1.0
  Ba  Ba10  1  0.006  0.017  0.366  1.0
  Cd  Cd11  1  0.805  0.597  0.959  1.0
  Cd  Cd12  1  0.369  0.745  0.612  1.0
  Cd  Cd13  1  0.195  0.403  0.041  1.0
  Cd  Cd14  1  0.600  0.189  0.685  1.0
  Cd  Cd15  1  0.631  0.255  0.388  1.0
  Cd  Cd16  1  0.944  0.878  0.159  1.0
  Cd  Cd17  1  0.056  0.122  0.841  1.0
  Cd  Cd18  1  0.400  0.811  0.315  1.0
  Bi  Bi19  1  0.561  0.114  0.518  1.0
  Bi  Bi20  1  0.910  0.813  0.988  1.0
  Bi  Bi21  1  0.153  0.299  0.738  1.0
  Bi  Bi22  1  0.090  0.187  0.012  1.0
  Bi  Bi23  1  0.847  0.701  0.262  1.0
  Bi  Bi24  1  0.867  0.740  0.699  1.0
  Bi  Bi25  1  0.263  0.515  0.883  1.0
  Bi  Bi26  1  0.439  0.886  0.482  1.0
  Bi  Bi27  1  0.729  0.458  0.461  1.0
  Bi  Bi28  1  0.494  0.980  0.209  1.0
  Bi  Bi29  1  0.271  0.542  0.539  1.0
  Bi  Bi30  1  0.133  0.260  0.301  1.0
  Bi  Bi31  1  0.506  0.020  0.791  1.0
  Bi  Bi32  1  0.737  0.485  0.117  1.0
[/CIF]
.