The structure described by Fe3Co3(SbO8)2 is Hydrophilite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the second Co site, Co(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. In the second Sb site, Sb(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form SbO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Fe(2), one Co(2), and one Sb(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Co(1) and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1) and two equivalent Co(1) atoms. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one Fe(1) and two equivalent Co(1) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to two equivalent Fe(2) and one Co(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Fe(1), one Co(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent Co(1) and one Sb(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Fe(2) and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Fe(2), one Co(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to two equivalent Fe(2) and one Co(2) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Fe(1), one Co(1), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Fe(2) and one Sb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Fe3Co3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.876
_cell_length_b   5.876
_cell_length_c   9.269
_cell_angle_alpha   88.110
_cell_angle_beta   88.110
_cell_angle_gamma   59.769
_symmetry_Int_Tables_number   1
_cell_volume   276.358
_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
  Fe  Fe0  1  0.166  0.166  0.213  1.0
  Fe  Fe1  1  0.332  0.828  0.709  1.0
  Fe  Fe2  1  0.828  0.332  0.709  1.0
  Co  Co3  1  0.169  0.659  0.214  1.0
  Co  Co4  1  0.659  0.169  0.214  1.0
  Co  Co5  1  0.828  0.828  0.718  1.0
  Sb  Sb6  1  0.335  0.335  0.489  1.0
  Sb  Sb7  1  0.669  0.669  0.992  1.0
  O  O8  1  0.164  0.668  0.599  1.0
  O  O9  1  0.483  0.483  0.325  1.0
  O  O10  1  0.344  0.344  0.111  1.0
  O  O11  1  0.988  0.988  0.307  1.0
  O  O12  1  0.988  0.988  0.806  1.0
  O  O13  1  0.668  0.164  0.599  1.0
  O  O14  1  0.037  0.498  0.340  1.0
  O  O15  1  0.498  0.037  0.340  1.0
  O  O16  1  0.839  0.839  0.107  1.0
  O  O17  1  0.166  0.166  0.598  1.0
  O  O18  1  0.532  0.967  0.839  1.0
  O  O19  1  0.967  0.532  0.839  1.0
  O  O20  1  0.679  0.679  0.608  1.0
  O  O21  1  0.327  0.837  0.100  1.0
  O  O22  1  0.521  0.521  0.845  1.0
  O  O23  1  0.837  0.327  0.100  1.0
[/CIF]
.
The structure described by Fe3Co3(SbO8)2 is Hydrophilite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the second Co site, Co(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. In the second Sb site, Sb(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form SbO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Fe(2), one Co(2), and one Sb(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Co(1) and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1) and two equivalent Co(1) atoms. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one Fe(1) and two equivalent Co(1) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to two equivalent Fe(2) and one Co(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Fe(1), one Co(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent Co(1) and one Sb(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Fe(2) and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Fe(2), one Co(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to two equivalent Fe(2) and one Co(2) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Fe(1), one Co(1), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Fe(2) and one Sb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Fe3Co3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.876
_cell_length_b   5.876
_cell_length_c   9.269
_cell_angle_alpha   88.110
_cell_angle_beta   88.110
_cell_angle_gamma   59.769
_symmetry_Int_Tables_number   1
_cell_volume   276.358
_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
  Fe  Fe0  1  0.166  0.166  0.213  1.0
  Fe  Fe1  1  0.332  0.828  0.709  1.0
  Fe  Fe2  1  0.828  0.332  0.709  1.0
  Co  Co3  1  0.169  0.659  0.214  1.0
  Co  Co4  1  0.659  0.169  0.214  1.0
  Co  Co5  1  0.828  0.828  0.718  1.0
  Sb  Sb6  1  0.335  0.335  0.489  1.0
  Sb  Sb7  1  0.669  0.669  0.992  1.0
  O  O8  1  0.164  0.668  0.599  1.0
  O  O9  1  0.483  0.483  0.325  1.0
  O  O10  1  0.344  0.344  0.111  1.0
  O  O11  1  0.988  0.988  0.307  1.0
  O  O12  1  0.988  0.988  0.806  1.0
  O  O13  1  0.668  0.164  0.599  1.0
  O  O14  1  0.037  0.498  0.340  1.0
  O  O15  1  0.498  0.037  0.340  1.0
  O  O16  1  0.839  0.839  0.107  1.0
  O  O17  1  0.166  0.166  0.598  1.0
  O  O18  1  0.532  0.967  0.839  1.0
  O  O19  1  0.967  0.532  0.839  1.0
  O  O20  1  0.679  0.679  0.608  1.0
  O  O21  1  0.327  0.837  0.100  1.0
  O  O22  1  0.521  0.521  0.845  1.0
  O  O23  1  0.837  0.327  0.100  1.0
[/CIF]
.