The structure described by Co5SbO8 is Spinel-like structured and crystallizes in the triclinic P1 space group. There are ten inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(6), one O(8), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(10)O6 octahedra, corners with two equivalent Co(8)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. In the second Co site, Co(2) is bonded to one O(12), one O(13), one O(16), and one O(4) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(10)O6 octahedra, corners with two equivalent Co(8)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent Co(9)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(13), one O(3), one O(7), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(11), one O(15), one O(2), one O(3), one O(6), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Co(1)O4 tetrahedra, corners with three equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(10)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(8)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. In the fifth Co site, Co(5) is bonded to one O(1), one O(13), one O(15), one O(3), one O(5), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(1), one O(10), one O(5), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(10)O6 octahedra,  a cornercorner with one Co(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and corners with three equivalent Co(9)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. In the seventh Co site, Co(7) is bonded to one O(11), one O(14), one O(15), and one O(3) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(10)O6 octahedra,  a cornercorner with one Co(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. In the eighth Co site, Co(8) is bonded to one O(10), one O(12), one O(14), one O(2), one O(4), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(10)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the ninth Co site, Co(9) is bonded to one O(1), one O(12), one O(16), one O(4), one O(5), and one O(7) atom to form CoO6 octahedra that share corners with three equivalent Co(2)O4 tetrahedra, corners with three equivalent Co(6)O4 tetrahedra,  an edgeedge with one Co(10)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(8)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. In the tenth Co site, Co(10) is bonded to one O(10), one O(14), one O(16), one O(2), one O(4), and one O(6) atom to form CoO6 octahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(8)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(11), one O(13), one O(15), one O(5), one O(7), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the second Sb site, Sb(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(6), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(10)O6 octahedra, and edges with two equivalent Co(8)O6 octahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Co(3), one Co(5), one Co(6), and one Co(9) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(10), one Co(4), and one Co(8) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Co(3), one Co(4), one Co(5), and one Co(7) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Co(10), one Co(2), one Co(8), and one Co(9) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Co(5), one Co(6), one Co(9), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Co(1), one Co(10), one Co(4), and one Sb(2) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. In the seventh O site, O(7) is bonded to one Co(3), one Co(6), one Co(9), and one Sb(1) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(4), one Co(8), and one Sb(2) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(3), one Co(5), and one Sb(1) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Co(10), one Co(6), one Co(8), and one Sb(2) atom. In the eleventh O site, O(11) is bonded to one Co(3), one Co(4), one Co(7), and one Sb(1) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(8), one Co(9), and one Sb(2) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(3), one Co(5), and one Sb(1) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Co(10), one Co(7), one Co(8), and one Sb(2) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Co(4), one Co(5), one Co(7), and one Sb(1) atom. In the sixteenth O site, O(16) is bonded to one Co(10), one Co(2), one Co(9), and one Sb(2) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. is represented by the CIF file [CIF]
data_Co5SbO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.002
_cell_length_b   10.471
_cell_length_c   6.167
_cell_angle_alpha   73.279
_cell_angle_beta   60.900
_cell_angle_gamma   89.930
_symmetry_Int_Tables_number   1
_cell_volume   319.831
_cell_formula_units_Z   2
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  0.706  0.568  0.097  1.0
  Co  Co1  1  0.794  0.932  0.904  1.0
  Co  Co2  1  0.751  0.250  0.499  1.0
  Co  Co3  1  0.002  0.499  0.503  1.0
  Co  Co4  1  0.249  0.250  0.502  1.0
  Co  Co5  1  0.199  0.068  0.094  1.0
  Co  Co6  1  0.300  0.432  0.905  1.0
  Co  Co7  1  0.249  0.751  0.502  1.0
  Co  Co8  1  0.496  0.999  0.500  1.0
  Co  Co9  1  0.750  0.750  0.499  1.0
  Sb  Sb10  1  0.748  0.250  0.001  1.0
  Sb  Sb11  1  0.251  0.750  0.001  1.0
  O  O12  1  0.378  0.137  0.704  1.0
  O  O13  1  0.918  0.637  0.706  1.0
  O  O14  1  0.121  0.363  0.293  1.0
  O  O15  1  0.586  0.863  0.292  1.0
  O  O16  1  0.393  0.136  0.241  1.0
  O  O17  1  0.900  0.633  0.245  1.0
  O  O18  1  0.855  0.132  0.244  1.0
  O  O19  1  0.365  0.635  0.242  1.0
  O  O20  1  0.629  0.364  0.241  1.0
  O  O21  1  0.132  0.864  0.240  1.0
  O  O22  1  0.643  0.368  0.756  1.0
  O  O23  1  0.137  0.865  0.758  1.0
  O  O24  1  0.871  0.137  0.759  1.0
  O  O25  1  0.369  0.637  0.759  1.0
  O  O26  1  0.104  0.365  0.759  1.0
  O  O27  1  0.601  0.867  0.756  1.0
[/CIF]
.
The structure described by Co5SbO8 is Spinel-like structured and crystallizes in the triclinic P1 space group. There are ten inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(6), one O(8), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(10)O6 octahedra, corners with two equivalent Co(8)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. In the second Co site, Co(2) is bonded to one O(12), one O(13), one O(16), and one O(4) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(10)O6 octahedra, corners with two equivalent Co(8)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent Co(9)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(13), one O(3), one O(7), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(11), one O(15), one O(2), one O(3), one O(6), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Co(1)O4 tetrahedra, corners with three equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(10)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(8)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. In the fifth Co site, Co(5) is bonded to one O(1), one O(13), one O(15), one O(3), one O(5), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(1), one O(10), one O(5), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(10)O6 octahedra,  a cornercorner with one Co(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and corners with three equivalent Co(9)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. In the seventh Co site, Co(7) is bonded to one O(11), one O(14), one O(15), and one O(3) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(10)O6 octahedra,  a cornercorner with one Co(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. In the eighth Co site, Co(8) is bonded to one O(10), one O(12), one O(14), one O(2), one O(4), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(10)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the ninth Co site, Co(9) is bonded to one O(1), one O(12), one O(16), one O(4), one O(5), and one O(7) atom to form CoO6 octahedra that share corners with three equivalent Co(2)O4 tetrahedra, corners with three equivalent Co(6)O4 tetrahedra,  an edgeedge with one Co(10)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(8)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. In the tenth Co site, Co(10) is bonded to one O(10), one O(14), one O(16), one O(2), one O(4), and one O(6) atom to form CoO6 octahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(8)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(11), one O(13), one O(15), one O(5), one O(7), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the second Sb site, Sb(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(6), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(9)O6 octahedra, edges with two equivalent Co(10)O6 octahedra, and edges with two equivalent Co(8)O6 octahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Co(3), one Co(5), one Co(6), and one Co(9) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(10), one Co(4), and one Co(8) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Co(3), one Co(4), one Co(5), and one Co(7) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Co(10), one Co(2), one Co(8), and one Co(9) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Co(5), one Co(6), one Co(9), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Co(1), one Co(10), one Co(4), and one Sb(2) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. In the seventh O site, O(7) is bonded to one Co(3), one Co(6), one Co(9), and one Sb(1) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(4), one Co(8), and one Sb(2) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(3), one Co(5), and one Sb(1) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Co(10), one Co(6), one Co(8), and one Sb(2) atom. In the eleventh O site, O(11) is bonded to one Co(3), one Co(4), one Co(7), and one Sb(1) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(8), one Co(9), and one Sb(2) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(3), one Co(5), and one Sb(1) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Co(10), one Co(7), one Co(8), and one Sb(2) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Co(4), one Co(5), one Co(7), and one Sb(1) atom. In the sixteenth O site, O(16) is bonded to one Co(10), one Co(2), one Co(9), and one Sb(2) atom to form distorted corner-sharing OCo3Sb trigonal pyramids. is represented by the CIF file [CIF]
data_Co5SbO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.002
_cell_length_b   10.471
_cell_length_c   6.167
_cell_angle_alpha   73.279
_cell_angle_beta   60.900
_cell_angle_gamma   89.930
_symmetry_Int_Tables_number   1
_cell_volume   319.831
_cell_formula_units_Z   2
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  0.706  0.568  0.097  1.0
  Co  Co1  1  0.794  0.932  0.904  1.0
  Co  Co2  1  0.751  0.250  0.499  1.0
  Co  Co3  1  0.002  0.499  0.503  1.0
  Co  Co4  1  0.249  0.250  0.502  1.0
  Co  Co5  1  0.199  0.068  0.094  1.0
  Co  Co6  1  0.300  0.432  0.905  1.0
  Co  Co7  1  0.249  0.751  0.502  1.0
  Co  Co8  1  0.496  0.999  0.500  1.0
  Co  Co9  1  0.750  0.750  0.499  1.0
  Sb  Sb10  1  0.748  0.250  0.001  1.0
  Sb  Sb11  1  0.251  0.750  0.001  1.0
  O  O12  1  0.378  0.137  0.704  1.0
  O  O13  1  0.918  0.637  0.706  1.0
  O  O14  1  0.121  0.363  0.293  1.0
  O  O15  1  0.586  0.863  0.292  1.0
  O  O16  1  0.393  0.136  0.241  1.0
  O  O17  1  0.900  0.633  0.245  1.0
  O  O18  1  0.855  0.132  0.244  1.0
  O  O19  1  0.365  0.635  0.242  1.0
  O  O20  1  0.629  0.364  0.241  1.0
  O  O21  1  0.132  0.864  0.240  1.0
  O  O22  1  0.643  0.368  0.756  1.0
  O  O23  1  0.137  0.865  0.758  1.0
  O  O24  1  0.871  0.137  0.759  1.0
  O  O25  1  0.369  0.637  0.759  1.0
  O  O26  1  0.104  0.365  0.759  1.0
  O  O27  1  0.601  0.867  0.756  1.0
[/CIF]
.