The material structure described by Fe3Co5O16 is Rutile-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 Co(4)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. 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 Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are four 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 Co(4)O6 octahedra,  an edgeedge with one Co(2)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 50-51°. In the second Co site, Co(2) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)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 range from 49-51°. In the third Co site, Co(3) 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 Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 49°. In the fourth Co site, Co(4) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. 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 Co(3) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Co(2) and two equivalent Co(1) atoms. 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 distorted 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 distorted trigonal non-coplanar geometry to two equivalent Fe(2) and one Co(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Co(1), and one Co(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Co(4) and two equivalent Co(1) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Fe(2) and one Co(2) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Fe(2), one Co(3), and one Co(4) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to two equivalent Fe(2) and one Co(3) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Fe(1), one Co(1), and one Co(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to two equivalent Fe(2) and one Co(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Fe3Co5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.736
_cell_length_b   5.714
_cell_length_c   8.554
_cell_angle_alpha   89.993
_cell_angle_beta   91.670
_cell_angle_gamma   119.813
_symmetry_Int_Tables_number   1
_cell_volume   243.117
_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  0.669  0.834  0.210  1.0
  Fe  Fe1  1  0.836  0.668  0.709  1.0
  Fe  Fe2  1  0.836  0.168  0.709  1.0
  Co  Co3  1  0.167  0.832  0.207  1.0
  Co  Co4  1  0.336  0.668  0.486  1.0
  Co  Co5  1  0.167  0.335  0.207  1.0
  Co  Co6  1  0.338  0.169  0.704  1.0
  Co  Co7  1  0.661  0.331  0.988  1.0
  O  O8  1  0.181  0.836  0.597  1.0
  O  O9  1  0.047  0.524  0.334  1.0
  O  O10  1  0.328  0.664  0.098  1.0
  O  O11  1  0.009  0.005  0.318  1.0
  O  O12  1  0.016  0.008  0.816  1.0
  O  O13  1  0.180  0.345  0.597  1.0
  O  O14  1  0.470  0.954  0.344  1.0
  O  O15  1  0.469  0.515  0.344  1.0
  O  O16  1  0.332  0.166  0.108  1.0
  O  O17  1  0.660  0.830  0.596  1.0
  O  O18  1  0.508  0.463  0.847  1.0
  O  O19  1  0.508  0.044  0.847  1.0
  O  O20  1  0.659  0.329  0.596  1.0
  O  O21  1  0.836  0.665  0.100  1.0
  O  O22  1  0.953  0.476  0.855  1.0
  O  O23  1  0.836  0.172  0.100  1.0
[/CIF]
.
The material structure described by Fe3Co5O16 is Rutile-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 Co(4)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. 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 Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are four 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 Co(4)O6 octahedra,  an edgeedge with one Co(2)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 50-51°. In the second Co site, Co(2) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)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 range from 49-51°. In the third Co site, Co(3) 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 Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 49°. In the fourth Co site, Co(4) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. 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 Co(3) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Co(2) and two equivalent Co(1) atoms. 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 distorted 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 distorted trigonal non-coplanar geometry to two equivalent Fe(2) and one Co(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Co(1), and one Co(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Co(4) and two equivalent Co(1) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Fe(2) and one Co(2) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Fe(2), one Co(3), and one Co(4) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to two equivalent Fe(2) and one Co(3) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Fe(1), one Co(1), and one Co(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to two equivalent Fe(2) and one Co(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Fe3Co5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.736
_cell_length_b   5.714
_cell_length_c   8.554
_cell_angle_alpha   89.993
_cell_angle_beta   91.670
_cell_angle_gamma   119.813
_symmetry_Int_Tables_number   1
_cell_volume   243.117
_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  0.669  0.834  0.210  1.0
  Fe  Fe1  1  0.836  0.668  0.709  1.0
  Fe  Fe2  1  0.836  0.168  0.709  1.0
  Co  Co3  1  0.167  0.832  0.207  1.0
  Co  Co4  1  0.336  0.668  0.486  1.0
  Co  Co5  1  0.167  0.335  0.207  1.0
  Co  Co6  1  0.338  0.169  0.704  1.0
  Co  Co7  1  0.661  0.331  0.988  1.0
  O  O8  1  0.181  0.836  0.597  1.0
  O  O9  1  0.047  0.524  0.334  1.0
  O  O10  1  0.328  0.664  0.098  1.0
  O  O11  1  0.009  0.005  0.318  1.0
  O  O12  1  0.016  0.008  0.816  1.0
  O  O13  1  0.180  0.345  0.597  1.0
  O  O14  1  0.470  0.954  0.344  1.0
  O  O15  1  0.469  0.515  0.344  1.0
  O  O16  1  0.332  0.166  0.108  1.0
  O  O17  1  0.660  0.830  0.596  1.0
  O  O18  1  0.508  0.463  0.847  1.0
  O  O19  1  0.508  0.044  0.847  1.0
  O  O20  1  0.659  0.329  0.596  1.0
  O  O21  1  0.836  0.665  0.100  1.0
  O  O22  1  0.953  0.476  0.855  1.0
  O  O23  1  0.836  0.172  0.100  1.0
[/CIF]
.