The compound described by Fe3Al2(BiO4)3 is Ilmenite-derived structured and crystallizes in the triclinic P1 space group. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form FeO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Fe(3)O6 octahedra, and  an edgeedge with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-45°. In the second Fe site, Fe(2) is bonded to one O(10), one O(11), one O(2), one O(4), one O(5), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Al(1)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra, and corners with three equivalent Al(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-62°. In the third Fe site, Fe(3) is bonded to one O(1), one O(12), one O(3), one O(6), one O(7), and one O(9) atom to form distorted FeO6 octahedra that share corners with two equivalent Al(1)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Al(2)O6 octahedra, and  a faceface with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-58°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(6), and one O(7) atom to form distorted AlO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Al(2)O6 octahedra, and  a faceface with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. In the second Al site, Al(2) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form AlO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Fe(3)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-52°. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(4), one O(5), one O(8), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Al(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Fe(2), one Al(2), one Bi(2), and one Bi(3) atom. In the third O site, O(3) is bonded to one Fe(3), one Al(1), one Al(2), and one Bi(1) atom to form distorted OAl2FeBi tetrahedra that share  a cornercorner with one O(8)AlFeBi2 tetrahedra,  an edgeedge with one O(9)Fe2Bi2 tetrahedra, and  an edgeedge with one O(10)Al2FeBi trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(2), one Bi(2), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(2), one Bi(1), and one Bi(3) atom. In the sixth O site, O(6) is bonded in a distorted see-saw-like geometry to one Fe(3), one Al(1), one Al(2), and one Bi(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Fe(1), one Fe(3), one Al(1), and one Bi(1) atom. In the eighth O site, O(8) is bonded to one Fe(2), one Al(2), one Bi(2), and one Bi(3) atom to form distorted OAlFeBi2 tetrahedra that share  a cornercorner with one O(3)Al2FeBi tetrahedra,  a cornercorner with one O(9)Fe2Bi2 tetrahedra,  a cornercorner with one O(10)Al2FeBi trigonal pyramid, and  an edgeedge with one O(10)Al2FeBi trigonal pyramid. In the ninth O site, O(9) is bonded to one Fe(1), one Fe(3), one Bi(1), and one Bi(3) atom to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(8)AlFeBi2 tetrahedra and  an edgeedge with one O(3)Al2FeBi tetrahedra. In the tenth O site, O(10) is bonded to one Fe(2), one Al(1), one Al(2), and one Bi(2) atom to form distorted OAl2FeBi trigonal pyramids that share  a cornercorner with one O(8)AlFeBi2 tetrahedra,  an edgeedge with one O(3)Al2FeBi tetrahedra, and  an edgeedge with one O(8)AlFeBi2 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(2), one Bi(1), and one Bi(3) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Fe(3), one Al(1), one Al(2), and one Bi(2) atom. is represented by the CIF card [CIF]
data_Al2Fe3(BiO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.360
_cell_length_b   5.616
_cell_length_c   9.521
_cell_angle_alpha   106.971
_cell_angle_beta   89.843
_cell_angle_gamma   118.961
_symmetry_Int_Tables_number   1
_cell_volume   236.566
_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
  Al  Al0  1  0.522  0.063  0.507  1.0
  Al  Al1  1  0.055  0.133  0.367  1.0
  Fe  Fe2  1  0.590  0.161  0.846  1.0
  Fe  Fe3  1  0.331  0.659  0.125  1.0
  Fe  Fe4  1  0.841  0.682  0.595  1.0
  Bi  Bi5  1  0.254  0.479  0.743  1.0
  Bi  Bi6  1  0.730  0.456  0.244  1.0
  Bi  Bi7  1  0.991  0.968  0.999  1.0
  O  O8  1  0.770  0.376  0.709  1.0
  O  O9  1  0.233  0.325  0.225  1.0
  O  O10  1  0.380  0.328  0.517  1.0
  O  O11  1  0.911  0.379  0.022  1.0
  O  O12  1  0.377  0.351  0.941  1.0
  O  O13  1  0.851  0.335  0.437  1.0
  O  O14  1  0.273  0.889  0.643  1.0
  O  O15  1  0.748  0.850  0.199  1.0
  O  O16  1  0.727  0.872  0.768  1.0
  O  O17  1  0.231  0.863  0.313  1.0
  O  O18  1  0.370  0.873  0.979  1.0
  O  O19  1  0.775  0.883  0.474  1.0
[/CIF]
.
The compound described by Fe3Al2(BiO4)3 is Ilmenite-derived structured and crystallizes in the triclinic P1 space group. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form FeO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Fe(3)O6 octahedra, and  an edgeedge with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-45°. In the second Fe site, Fe(2) is bonded to one O(10), one O(11), one O(2), one O(4), one O(5), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Al(1)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra, and corners with three equivalent Al(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-62°. In the third Fe site, Fe(3) is bonded to one O(1), one O(12), one O(3), one O(6), one O(7), and one O(9) atom to form distorted FeO6 octahedra that share corners with two equivalent Al(1)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Al(2)O6 octahedra, and  a faceface with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-58°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(6), and one O(7) atom to form distorted AlO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Al(2)O6 octahedra, and  a faceface with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. In the second Al site, Al(2) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form AlO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Fe(3)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-52°. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(4), one O(5), one O(8), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(3), one Al(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Fe(2), one Al(2), one Bi(2), and one Bi(3) atom. In the third O site, O(3) is bonded to one Fe(3), one Al(1), one Al(2), and one Bi(1) atom to form distorted OAl2FeBi tetrahedra that share  a cornercorner with one O(8)AlFeBi2 tetrahedra,  an edgeedge with one O(9)Fe2Bi2 tetrahedra, and  an edgeedge with one O(10)Al2FeBi trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(2), one Bi(2), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(2), one Bi(1), and one Bi(3) atom. In the sixth O site, O(6) is bonded in a distorted see-saw-like geometry to one Fe(3), one Al(1), one Al(2), and one Bi(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Fe(1), one Fe(3), one Al(1), and one Bi(1) atom. In the eighth O site, O(8) is bonded to one Fe(2), one Al(2), one Bi(2), and one Bi(3) atom to form distorted OAlFeBi2 tetrahedra that share  a cornercorner with one O(3)Al2FeBi tetrahedra,  a cornercorner with one O(9)Fe2Bi2 tetrahedra,  a cornercorner with one O(10)Al2FeBi trigonal pyramid, and  an edgeedge with one O(10)Al2FeBi trigonal pyramid. In the ninth O site, O(9) is bonded to one Fe(1), one Fe(3), one Bi(1), and one Bi(3) atom to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(8)AlFeBi2 tetrahedra and  an edgeedge with one O(3)Al2FeBi tetrahedra. In the tenth O site, O(10) is bonded to one Fe(2), one Al(1), one Al(2), and one Bi(2) atom to form distorted OAl2FeBi trigonal pyramids that share  a cornercorner with one O(8)AlFeBi2 tetrahedra,  an edgeedge with one O(3)Al2FeBi tetrahedra, and  an edgeedge with one O(8)AlFeBi2 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Fe(1), one Fe(2), one Bi(1), and one Bi(3) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Fe(3), one Al(1), one Al(2), and one Bi(2) atom. is represented by the CIF card [CIF]
data_Al2Fe3(BiO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.360
_cell_length_b   5.616
_cell_length_c   9.521
_cell_angle_alpha   106.971
_cell_angle_beta   89.843
_cell_angle_gamma   118.961
_symmetry_Int_Tables_number   1
_cell_volume   236.566
_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
  Al  Al0  1  0.522  0.063  0.507  1.0
  Al  Al1  1  0.055  0.133  0.367  1.0
  Fe  Fe2  1  0.590  0.161  0.846  1.0
  Fe  Fe3  1  0.331  0.659  0.125  1.0
  Fe  Fe4  1  0.841  0.682  0.595  1.0
  Bi  Bi5  1  0.254  0.479  0.743  1.0
  Bi  Bi6  1  0.730  0.456  0.244  1.0
  Bi  Bi7  1  0.991  0.968  0.999  1.0
  O  O8  1  0.770  0.376  0.709  1.0
  O  O9  1  0.233  0.325  0.225  1.0
  O  O10  1  0.380  0.328  0.517  1.0
  O  O11  1  0.911  0.379  0.022  1.0
  O  O12  1  0.377  0.351  0.941  1.0
  O  O13  1  0.851  0.335  0.437  1.0
  O  O14  1  0.273  0.889  0.643  1.0
  O  O15  1  0.748  0.850  0.199  1.0
  O  O16  1  0.727  0.872  0.768  1.0
  O  O17  1  0.231  0.863  0.313  1.0
  O  O18  1  0.370  0.873  0.979  1.0
  O  O19  1  0.775  0.883  0.474  1.0
[/CIF]
.