The compound described by Ba5Bi3O11 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to one O(1), one O(4), one O(6), one O(7), two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms. In the second Ba site, Ba(2) is bonded to one O(4), two equivalent O(3), and two equivalent O(7) atoms to form distorted BaO5 trigonal bipyramids that share corners with two equivalent Bi(1)O6 octahedra and corners with three equivalent Bi(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 3°. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(3) atoms to form BiO6 octahedra that share corners with four equivalent Bi(2)O6 octahedra and corners with two equivalent Ba(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-6°. In the second Bi site, Bi(2) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form BiO6 octahedra that share corners with four equivalent Bi(1)O6 octahedra and corners with two equivalent Bi(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-6°. In the third Bi site, Bi(3) is bonded to one O(4), two equivalent O(5), and two equivalent O(7) atoms to form BiO5 trigonal bipyramids that share corners with two equivalent Bi(2)O6 octahedra and corners with three equivalent Ba(2)O5 trigonal bipyramids. The corner-sharing octahedra are not tilted. There are seven inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Ba(1), one Bi(1), and one Bi(2) atom to form OBa4Bi2 octahedra that share corners with four equivalent O(5)Ba4Bi2 octahedra, corners with four equivalent O(3)Ba5Bi octahedra, corners with four equivalent O(7)Ba3Bi trigonal pyramids, faces with two equivalent O(5)Ba4Bi2 octahedra, faces with two equivalent O(3)Ba5Bi octahedra, and faces with four equivalent O(2)Ba4Bi2 octahedra. The corner-sharing octahedral tilt angles range from 54-61°. In the second O site, O(2) is bonded to four equivalent Ba(1), one Bi(1), and one Bi(2) atom to form distorted OBa4Bi2 octahedra that share corners with two equivalent O(2)Ba4Bi2 octahedra, corners with four equivalent O(5)Ba4Bi2 octahedra, corners with four equivalent O(3)Ba5Bi octahedra, corners with four equivalent O(7)Ba3Bi trigonal pyramids, edges with two equivalent O(2)Ba4Bi2 octahedra, faces with two equivalent O(1)Ba4Bi2 octahedra, faces with two equivalent O(5)Ba4Bi2 octahedra, and faces with two equivalent O(3)Ba5Bi octahedra. The corner-sharing octahedral tilt angles range from 4-62°. In the third O site, O(3) is bonded to one Ba(2), four equivalent Ba(1), and one Bi(1) atom to form distorted OBa5Bi octahedra that share corners with two equivalent O(1)Ba4Bi2 octahedra, corners with four equivalent O(2)Ba4Bi2 octahedra, corners with six equivalent O(3)Ba5Bi octahedra, corners with two equivalent O(7)Ba3Bi trigonal pyramids, edges with four equivalent O(5)Ba4Bi2 octahedra, edges with two equivalent O(7)Ba3Bi trigonal pyramids,  a faceface with one O(1)Ba4Bi2 octahedra, and faces with two equivalent O(2)Ba4Bi2 octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Ba(2), four equivalent Ba(1), and one Bi(3) atom. In the fifth O site, O(5) is bonded to four equivalent Ba(1), one Bi(2), and one Bi(3) atom to form distorted OBa4Bi2 octahedra that share corners with two equivalent O(1)Ba4Bi2 octahedra, corners with four equivalent O(2)Ba4Bi2 octahedra, corners with six equivalent O(5)Ba4Bi2 octahedra, corners with two equivalent O(7)Ba3Bi trigonal pyramids, edges with four equivalent O(3)Ba5Bi octahedra, edges with two equivalent O(7)Ba3Bi trigonal pyramids,  a faceface with one O(1)Ba4Bi2 octahedra, and faces with two equivalent O(2)Ba4Bi2 octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the sixth O site, O(6) is bonded in a distorted linear geometry to four equivalent Ba(1), one Bi(1), and one Bi(2) atom. In the seventh O site, O(7) is bonded to one Ba(2), two equivalent Ba(1), and one Bi(3) atom to form distorted OBa3Bi trigonal pyramids that share corners with two equivalent O(1)Ba4Bi2 octahedra, corners with two equivalent O(5)Ba4Bi2 octahedra, corners with two equivalent O(3)Ba5Bi octahedra, corners with four equivalent O(2)Ba4Bi2 octahedra, corners with two equivalent O(7)Ba3Bi trigonal pyramids, edges with two equivalent O(5)Ba4Bi2 octahedra, and edges with two equivalent O(3)Ba5Bi octahedra. The corner-sharing octahedral tilt angles range from 31-82°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba5Bi3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.284
_cell_length_b   6.284
_cell_length_c   9.235
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.039
_symmetry_Int_Tables_number   1
_cell_volume   364.625
_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  0.989  0.543  0.772  1.0
  Ba  Ba1  1  0.989  0.543  0.228  1.0
  Ba  Ba2  1  0.981  0.019  0.500  1.0
  Ba  Ba3  1  0.457  0.011  0.772  1.0
  Ba  Ba4  1  0.457  0.011  0.228  1.0
  Bi  Bi5  1  0.982  0.018  0.000  1.0
  Bi  Bi6  1  0.490  0.510  0.000  1.0
  Bi  Bi7  1  0.496  0.504  0.500  1.0
  O  O8  1  0.231  0.769  0.000  1.0
  O  O9  1  0.243  0.244  0.000  1.0
  O  O10  1  0.756  0.757  0.000  1.0
  O  O11  1  0.989  0.011  0.768  1.0
  O  O12  1  0.259  0.741  0.500  1.0
  O  O13  1  0.492  0.508  0.750  1.0
  O  O14  1  0.743  0.257  0.000  1.0
  O  O15  1  0.829  0.606  0.500  1.0
  O  O16  1  0.394  0.171  0.500  1.0
  O  O17  1  0.492  0.508  0.250  1.0
  O  O18  1  0.989  0.011  0.232  1.0
[/CIF]
.
The compound described by Ba5Bi3O11 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to one O(1), one O(4), one O(6), one O(7), two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms. In the second Ba site, Ba(2) is bonded to one O(4), two equivalent O(3), and two equivalent O(7) atoms to form distorted BaO5 trigonal bipyramids that share corners with two equivalent Bi(1)O6 octahedra and corners with three equivalent Bi(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 3°. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(3) atoms to form BiO6 octahedra that share corners with four equivalent Bi(2)O6 octahedra and corners with two equivalent Ba(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-6°. In the second Bi site, Bi(2) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form BiO6 octahedra that share corners with four equivalent Bi(1)O6 octahedra and corners with two equivalent Bi(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-6°. In the third Bi site, Bi(3) is bonded to one O(4), two equivalent O(5), and two equivalent O(7) atoms to form BiO5 trigonal bipyramids that share corners with two equivalent Bi(2)O6 octahedra and corners with three equivalent Ba(2)O5 trigonal bipyramids. The corner-sharing octahedra are not tilted. There are seven inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Ba(1), one Bi(1), and one Bi(2) atom to form OBa4Bi2 octahedra that share corners with four equivalent O(5)Ba4Bi2 octahedra, corners with four equivalent O(3)Ba5Bi octahedra, corners with four equivalent O(7)Ba3Bi trigonal pyramids, faces with two equivalent O(5)Ba4Bi2 octahedra, faces with two equivalent O(3)Ba5Bi octahedra, and faces with four equivalent O(2)Ba4Bi2 octahedra. The corner-sharing octahedral tilt angles range from 54-61°. In the second O site, O(2) is bonded to four equivalent Ba(1), one Bi(1), and one Bi(2) atom to form distorted OBa4Bi2 octahedra that share corners with two equivalent O(2)Ba4Bi2 octahedra, corners with four equivalent O(5)Ba4Bi2 octahedra, corners with four equivalent O(3)Ba5Bi octahedra, corners with four equivalent O(7)Ba3Bi trigonal pyramids, edges with two equivalent O(2)Ba4Bi2 octahedra, faces with two equivalent O(1)Ba4Bi2 octahedra, faces with two equivalent O(5)Ba4Bi2 octahedra, and faces with two equivalent O(3)Ba5Bi octahedra. The corner-sharing octahedral tilt angles range from 4-62°. In the third O site, O(3) is bonded to one Ba(2), four equivalent Ba(1), and one Bi(1) atom to form distorted OBa5Bi octahedra that share corners with two equivalent O(1)Ba4Bi2 octahedra, corners with four equivalent O(2)Ba4Bi2 octahedra, corners with six equivalent O(3)Ba5Bi octahedra, corners with two equivalent O(7)Ba3Bi trigonal pyramids, edges with four equivalent O(5)Ba4Bi2 octahedra, edges with two equivalent O(7)Ba3Bi trigonal pyramids,  a faceface with one O(1)Ba4Bi2 octahedra, and faces with two equivalent O(2)Ba4Bi2 octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Ba(2), four equivalent Ba(1), and one Bi(3) atom. In the fifth O site, O(5) is bonded to four equivalent Ba(1), one Bi(2), and one Bi(3) atom to form distorted OBa4Bi2 octahedra that share corners with two equivalent O(1)Ba4Bi2 octahedra, corners with four equivalent O(2)Ba4Bi2 octahedra, corners with six equivalent O(5)Ba4Bi2 octahedra, corners with two equivalent O(7)Ba3Bi trigonal pyramids, edges with four equivalent O(3)Ba5Bi octahedra, edges with two equivalent O(7)Ba3Bi trigonal pyramids,  a faceface with one O(1)Ba4Bi2 octahedra, and faces with two equivalent O(2)Ba4Bi2 octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the sixth O site, O(6) is bonded in a distorted linear geometry to four equivalent Ba(1), one Bi(1), and one Bi(2) atom. In the seventh O site, O(7) is bonded to one Ba(2), two equivalent Ba(1), and one Bi(3) atom to form distorted OBa3Bi trigonal pyramids that share corners with two equivalent O(1)Ba4Bi2 octahedra, corners with two equivalent O(5)Ba4Bi2 octahedra, corners with two equivalent O(3)Ba5Bi octahedra, corners with four equivalent O(2)Ba4Bi2 octahedra, corners with two equivalent O(7)Ba3Bi trigonal pyramids, edges with two equivalent O(5)Ba4Bi2 octahedra, and edges with two equivalent O(3)Ba5Bi octahedra. The corner-sharing octahedral tilt angles range from 31-82°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba5Bi3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.284
_cell_length_b   6.284
_cell_length_c   9.235
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.039
_symmetry_Int_Tables_number   1
_cell_volume   364.625
_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  0.989  0.543  0.772  1.0
  Ba  Ba1  1  0.989  0.543  0.228  1.0
  Ba  Ba2  1  0.981  0.019  0.500  1.0
  Ba  Ba3  1  0.457  0.011  0.772  1.0
  Ba  Ba4  1  0.457  0.011  0.228  1.0
  Bi  Bi5  1  0.982  0.018  0.000  1.0
  Bi  Bi6  1  0.490  0.510  0.000  1.0
  Bi  Bi7  1  0.496  0.504  0.500  1.0
  O  O8  1  0.231  0.769  0.000  1.0
  O  O9  1  0.243  0.244  0.000  1.0
  O  O10  1  0.756  0.757  0.000  1.0
  O  O11  1  0.989  0.011  0.768  1.0
  O  O12  1  0.259  0.741  0.500  1.0
  O  O13  1  0.492  0.508  0.750  1.0
  O  O14  1  0.743  0.257  0.000  1.0
  O  O15  1  0.829  0.606  0.500  1.0
  O  O16  1  0.394  0.171  0.500  1.0
  O  O17  1  0.492  0.508  0.250  1.0
  O  O18  1  0.989  0.011  0.232  1.0
[/CIF]
.