The crystal structure described by Co8(BiO4)5 crystallizes in the triclinic P1 space group. There are eight inequivalent Co sites. In the first Co site, Co(1) is bonded in a rectangular see-saw-like geometry to one O(1), one O(20), one O(6), and one O(8) atom. In the second Co site, Co(2) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(6), one O(7), and one O(9) atom. In the third Co site, Co(3) is bonded to one O(12), one O(13), one O(2), one O(3), and one O(7) atom to form distorted corner-sharing CoO5 square pyramids. In the fourth Co site, Co(4) is bonded to one O(10), one O(19), one O(2), one O(5), and one O(6) atom to form corner-sharing CoO5 trigonal bipyramids. In the fifth Co site, Co(5) is bonded in a 7-coordinate geometry to one O(10), one O(13), one O(16), one O(19), one O(3), one O(4), and one O(9) atom. In the sixth Co site, Co(6) is bonded to one O(13), one O(14), one O(15), one O(18), and one O(9) atom to form corner-sharing CoO5 square pyramids. In the seventh Co site, Co(7) is bonded to one O(11), one O(18), one O(19), one O(4), and one O(8) atom to form corner-sharing CoO5 square pyramids. In the eighth Co site, Co(8) is bonded to one O(10), one O(11), one O(15), one O(17), and one O(3) atom to form corner-sharing CoO5 square pyramids. There are five inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(17), one O(2), one O(20), one O(4), and one O(5) atom. In the second Bi site, Bi(2) is bonded in a 5-coordinate geometry to one O(15), one O(16), one O(5), one O(8), and one O(9) atom. In the third Bi site, Bi(3) is bonded in a 4-coordinate geometry to one O(10), one O(12), one O(14), and one O(20) atom. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(14), one O(16), one O(18), and one O(3) atom. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(12), one O(15), one O(16), one O(17), one O(18), and one O(19) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Bi(4) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Co(3), one Co(4), and one Bi(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Co(8), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Co(2), one Co(5), one Co(7), and one Bi(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(4), one Bi(1), and one Bi(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Co(4) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Co(2) and one Co(3) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Co(1), one Co(7), and one Bi(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Co(2), one Co(5), one Co(6), and one Bi(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Co(4), one Co(5), one Co(8), and one Bi(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Co(7), one Co(8), and one Bi(4) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Co(3), one Bi(3), and one Bi(5) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal non-coplanar geometry to one Co(3), one Co(5), and one Co(6) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Co(6), one Bi(3), and one Bi(4) atom. In the fifteenth O site, O(15) is bonded in a distorted see-saw-like geometry to one Co(6), one Co(8), one Bi(2), and one Bi(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal pyramidal geometry to one Co(5), one Bi(2), one Bi(4), and one Bi(5) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one Co(8), one Bi(1), and one Bi(5) atom. In the eighteenth O site, O(18) is bonded in a 2-coordinate geometry to one Co(6), one Co(7), one Bi(4), and one Bi(5) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 120 degrees geometry to one Co(4), one Co(5), one Co(7), and one Bi(5) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(1), and one Bi(3) atom. is represented by the CIF card [CIF]
data_Co8(BiO4)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.935
_cell_length_b   7.981
_cell_length_c   8.293
_cell_angle_alpha   108.697
_cell_angle_beta   109.469
_cell_angle_gamma   107.223
_symmetry_Int_Tables_number   1
_cell_volume   418.595
_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
  Co  Co0  1  0.423  0.758  0.594  1.0
  Co  Co1  1  0.109  0.775  0.271  1.0
  Co  Co2  1  0.784  0.281  0.112  1.0
  Co  Co3  1  0.296  0.100  0.775  1.0
  Co  Co4  1  0.004  0.020  0.021  1.0
  Co  Co5  1  0.718  0.889  0.215  1.0
  Co  Co6  1  0.228  0.732  0.894  1.0
  Co  Co7  1  0.888  0.219  0.728  1.0
  Bi  Bi8  1  0.653  0.526  0.856  1.0
  Bi  Bi9  1  0.100  0.293  0.465  1.0
  Bi  Bi10  1  0.848  0.681  0.530  1.0
  Bi  Bi11  1  0.321  0.462  0.115  1.0
  Bi  Bi12  1  0.487  0.133  0.335  1.0
  O  O13  1  0.323  0.691  0.335  1.0
  O  O14  1  0.566  0.260  0.920  1.0
  O  O15  1  0.931  0.245  0.972  1.0
  O  O16  1  0.057  0.776  0.018  1.0
  O  O17  1  0.332  0.281  0.674  1.0
  O  O18  1  0.266  0.890  0.569  1.0
  O  O19  1  0.915  0.551  0.213  1.0
  O  O20  1  0.343  0.658  0.735  1.0
  O  O21  1  0.001  0.966  0.302  1.0
  O  O22  1  0.032  0.059  0.752  1.0
  O  O23  1  0.117  0.467  0.824  1.0
  O  O24  1  0.679  0.348  0.296  1.0
  O  O25  1  0.765  0.037  0.086  1.0
  O  O26  1  0.663  0.689  0.285  1.0
  O  O27  1  0.796  0.109  0.462  1.0
  O  O28  1  0.264  0.271  0.271  1.0
  O  O29  1  0.710  0.343  0.658  1.0
  O  O30  1  0.442  0.805  0.121  1.0
  O  O31  1  0.294  0.985  0.940  1.0
  O  O32  1  0.644  0.700  0.656  1.0
[/CIF]
.
The crystal structure described by Co8(BiO4)5 crystallizes in the triclinic P1 space group. There are eight inequivalent Co sites. In the first Co site, Co(1) is bonded in a rectangular see-saw-like geometry to one O(1), one O(20), one O(6), and one O(8) atom. In the second Co site, Co(2) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(6), one O(7), and one O(9) atom. In the third Co site, Co(3) is bonded to one O(12), one O(13), one O(2), one O(3), and one O(7) atom to form distorted corner-sharing CoO5 square pyramids. In the fourth Co site, Co(4) is bonded to one O(10), one O(19), one O(2), one O(5), and one O(6) atom to form corner-sharing CoO5 trigonal bipyramids. In the fifth Co site, Co(5) is bonded in a 7-coordinate geometry to one O(10), one O(13), one O(16), one O(19), one O(3), one O(4), and one O(9) atom. In the sixth Co site, Co(6) is bonded to one O(13), one O(14), one O(15), one O(18), and one O(9) atom to form corner-sharing CoO5 square pyramids. In the seventh Co site, Co(7) is bonded to one O(11), one O(18), one O(19), one O(4), and one O(8) atom to form corner-sharing CoO5 square pyramids. In the eighth Co site, Co(8) is bonded to one O(10), one O(11), one O(15), one O(17), and one O(3) atom to form corner-sharing CoO5 square pyramids. There are five inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(17), one O(2), one O(20), one O(4), and one O(5) atom. In the second Bi site, Bi(2) is bonded in a 5-coordinate geometry to one O(15), one O(16), one O(5), one O(8), and one O(9) atom. In the third Bi site, Bi(3) is bonded in a 4-coordinate geometry to one O(10), one O(12), one O(14), and one O(20) atom. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(14), one O(16), one O(18), and one O(3) atom. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(12), one O(15), one O(16), one O(17), one O(18), and one O(19) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Bi(4) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Co(3), one Co(4), and one Bi(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Co(8), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Co(2), one Co(5), one Co(7), and one Bi(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(4), one Bi(1), and one Bi(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Co(4) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Co(2) and one Co(3) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Co(1), one Co(7), and one Bi(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Co(2), one Co(5), one Co(6), and one Bi(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Co(4), one Co(5), one Co(8), and one Bi(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Co(7), one Co(8), and one Bi(4) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Co(3), one Bi(3), and one Bi(5) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal non-coplanar geometry to one Co(3), one Co(5), and one Co(6) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Co(6), one Bi(3), and one Bi(4) atom. In the fifteenth O site, O(15) is bonded in a distorted see-saw-like geometry to one Co(6), one Co(8), one Bi(2), and one Bi(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal pyramidal geometry to one Co(5), one Bi(2), one Bi(4), and one Bi(5) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one Co(8), one Bi(1), and one Bi(5) atom. In the eighteenth O site, O(18) is bonded in a 2-coordinate geometry to one Co(6), one Co(7), one Bi(4), and one Bi(5) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 120 degrees geometry to one Co(4), one Co(5), one Co(7), and one Bi(5) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(1), and one Bi(3) atom. is represented by the CIF card [CIF]
data_Co8(BiO4)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.935
_cell_length_b   7.981
_cell_length_c   8.293
_cell_angle_alpha   108.697
_cell_angle_beta   109.469
_cell_angle_gamma   107.223
_symmetry_Int_Tables_number   1
_cell_volume   418.595
_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
  Co  Co0  1  0.423  0.758  0.594  1.0
  Co  Co1  1  0.109  0.775  0.271  1.0
  Co  Co2  1  0.784  0.281  0.112  1.0
  Co  Co3  1  0.296  0.100  0.775  1.0
  Co  Co4  1  0.004  0.020  0.021  1.0
  Co  Co5  1  0.718  0.889  0.215  1.0
  Co  Co6  1  0.228  0.732  0.894  1.0
  Co  Co7  1  0.888  0.219  0.728  1.0
  Bi  Bi8  1  0.653  0.526  0.856  1.0
  Bi  Bi9  1  0.100  0.293  0.465  1.0
  Bi  Bi10  1  0.848  0.681  0.530  1.0
  Bi  Bi11  1  0.321  0.462  0.115  1.0
  Bi  Bi12  1  0.487  0.133  0.335  1.0
  O  O13  1  0.323  0.691  0.335  1.0
  O  O14  1  0.566  0.260  0.920  1.0
  O  O15  1  0.931  0.245  0.972  1.0
  O  O16  1  0.057  0.776  0.018  1.0
  O  O17  1  0.332  0.281  0.674  1.0
  O  O18  1  0.266  0.890  0.569  1.0
  O  O19  1  0.915  0.551  0.213  1.0
  O  O20  1  0.343  0.658  0.735  1.0
  O  O21  1  0.001  0.966  0.302  1.0
  O  O22  1  0.032  0.059  0.752  1.0
  O  O23  1  0.117  0.467  0.824  1.0
  O  O24  1  0.679  0.348  0.296  1.0
  O  O25  1  0.765  0.037  0.086  1.0
  O  O26  1  0.663  0.689  0.285  1.0
  O  O27  1  0.796  0.109  0.462  1.0
  O  O28  1  0.264  0.271  0.271  1.0
  O  O29  1  0.710  0.343  0.658  1.0
  O  O30  1  0.442  0.805  0.121  1.0
  O  O31  1  0.294  0.985  0.940  1.0
  O  O32  1  0.644  0.700  0.656  1.0
[/CIF]
.