The structure described by CoBi6(SO8)2 crystallizes in the monoclinic C2 space group. Co(1) is bonded to two equivalent O(3) and two equivalent O(7) atoms to form distorted CoO4 tetrahedra that share corners with two equivalent S(1)O4 tetrahedra. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(8), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(7), 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(4), one O(7), one O(8), and one O(9) atom. S(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form SO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. In the second O site, O(1) is bonded to two equivalent Bi(1) and two equivalent Bi(2) atoms to form edge-sharing OBi4 tetrahedra. In the third O site, O(2) is bonded to two equivalent Bi(1) and two equivalent Bi(2) atoms to form edge-sharing OBi4 tetrahedra. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Co(1) and one S(1) atom. In the fifth O site, O(4) is bonded in a distorted single-bond geometry to one Bi(3) and one S(1) atom. In the sixth O site, O(5) is bonded in a single-bond geometry to one S(1) atom. In the seventh O site, O(6) is bonded in a single-bond geometry to one S(1) atom. In the eighth O site, O(7) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(2), and one Bi(3) atom. In the ninth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CoBi6(SO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.686
_cell_length_b   8.289
_cell_length_c   9.004
_cell_angle_alpha   85.426
_cell_angle_beta   71.589
_cell_angle_gamma   69.941
_symmetry_Int_Tables_number   1
_cell_volume   377.994
_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
  Bi  Bi0  1  0.882  0.340  0.648  1.0
  Bi  Bi1  1  0.869  0.660  0.352  1.0
  Bi  Bi2  1  0.201  0.649  0.692  1.0
  Bi  Bi3  1  0.543  0.350  0.308  1.0
  Bi  Bi4  1  0.286  0.329  0.008  1.0
  Bi  Bi5  1  0.623  0.671  0.992  1.0
  Co  Co6  1  0.898  0.000  0.000  1.0
  O  O7  1  0.120  0.500  0.500  1.0
  O  O8  1  0.640  0.500  0.500  1.0
  O  O9  1  0.169  0.052  0.805  1.0
  O  O10  1  0.026  0.948  0.195  1.0
  O  O11  1  0.579  0.082  0.811  1.0
  O  O12  1  0.472  0.918  0.189  1.0
  O  O13  1  0.469  0.110  0.566  1.0
  O  O14  1  0.146  0.890  0.434  1.0
  O  O15  1  0.592  0.827  0.687  1.0
  O  O16  1  0.106  0.173  0.314  1.0
  O  O17  1  0.946  0.770  0.940  1.0
  O  O18  1  0.655  0.230  0.060  1.0
  O  O19  1  0.963  0.483  0.814  1.0
  O  O20  1  0.260  0.517  0.186  1.0
  O  O21  1  0.468  0.476  0.819  1.0
  O  O22  1  0.763  0.524  0.181  1.0
  S  S23  1  0.457  0.018  0.714  1.0
  S  S24  1  0.187  0.982  0.287  1.0
[/CIF]
.
The structure described by CoBi6(SO8)2 crystallizes in the monoclinic C2 space group. Co(1) is bonded to two equivalent O(3) and two equivalent O(7) atoms to form distorted CoO4 tetrahedra that share corners with two equivalent S(1)O4 tetrahedra. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(8), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(7), 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(4), one O(7), one O(8), and one O(9) atom. S(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form SO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. In the second O site, O(1) is bonded to two equivalent Bi(1) and two equivalent Bi(2) atoms to form edge-sharing OBi4 tetrahedra. In the third O site, O(2) is bonded to two equivalent Bi(1) and two equivalent Bi(2) atoms to form edge-sharing OBi4 tetrahedra. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Co(1) and one S(1) atom. In the fifth O site, O(4) is bonded in a distorted single-bond geometry to one Bi(3) and one S(1) atom. In the sixth O site, O(5) is bonded in a single-bond geometry to one S(1) atom. In the seventh O site, O(6) is bonded in a single-bond geometry to one S(1) atom. In the eighth O site, O(7) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(2), and one Bi(3) atom. In the ninth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CoBi6(SO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.686
_cell_length_b   8.289
_cell_length_c   9.004
_cell_angle_alpha   85.426
_cell_angle_beta   71.589
_cell_angle_gamma   69.941
_symmetry_Int_Tables_number   1
_cell_volume   377.994
_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
  Bi  Bi0  1  0.882  0.340  0.648  1.0
  Bi  Bi1  1  0.869  0.660  0.352  1.0
  Bi  Bi2  1  0.201  0.649  0.692  1.0
  Bi  Bi3  1  0.543  0.350  0.308  1.0
  Bi  Bi4  1  0.286  0.329  0.008  1.0
  Bi  Bi5  1  0.623  0.671  0.992  1.0
  Co  Co6  1  0.898  0.000  0.000  1.0
  O  O7  1  0.120  0.500  0.500  1.0
  O  O8  1  0.640  0.500  0.500  1.0
  O  O9  1  0.169  0.052  0.805  1.0
  O  O10  1  0.026  0.948  0.195  1.0
  O  O11  1  0.579  0.082  0.811  1.0
  O  O12  1  0.472  0.918  0.189  1.0
  O  O13  1  0.469  0.110  0.566  1.0
  O  O14  1  0.146  0.890  0.434  1.0
  O  O15  1  0.592  0.827  0.687  1.0
  O  O16  1  0.106  0.173  0.314  1.0
  O  O17  1  0.946  0.770  0.940  1.0
  O  O18  1  0.655  0.230  0.060  1.0
  O  O19  1  0.963  0.483  0.814  1.0
  O  O20  1  0.260  0.517  0.186  1.0
  O  O21  1  0.468  0.476  0.819  1.0
  O  O22  1  0.763  0.524  0.181  1.0
  S  S23  1  0.457  0.018  0.714  1.0
  S  S24  1  0.187  0.982  0.287  1.0
[/CIF]
.