The compound described by Li2FeCo3O8 is Spinel-derived structured and crystallizes in the monoclinic Cc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(6), and one O(7) atom to form LiO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra, corners with three equivalent Co(2)O6 octahedra, and corners with three equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-64°. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(1), one O(4), one O(5), and one O(8) atom. Fe(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-54°. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the second Co site, Co(2) is bonded to one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. In the third Co site, Co(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. There are eight inequivalent O sites. In the first O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(1), and one Co(2) atom. In the second O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(1), and one Co(3) atom. In the third O site, O(2) is bonded to one Li(1), one Fe(1), one Co(1), and one Co(2) atom to form distorted OLiFeCo2 tetrahedra that share  a cornercorner with one O(6)LiFeCo2 tetrahedra,  a cornercorner with one O(7)LiFeCo2 tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  an edgeedge with one O(6)LiFeCo2 tetrahedra, and  an edgeedge with one O(7)LiFeCo2 tetrahedra. In the fourth O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(1), one Co(2), and one Co(3) atom. In the fifth O site, O(4) is bonded to one Li(2), one Co(1), one Co(2), and one Co(3) atom to form distorted corner-sharing OLiCo3 tetrahedra. In the sixth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(2), and one Co(3) atom. In the seventh O site, O(6) is bonded to one Li(1), one Fe(1), one Co(1), and one Co(3) atom to form distorted OLiFeCo2 tetrahedra that share  a cornercorner with one O(2)LiFeCo2 tetrahedra,  a cornercorner with one O(7)LiFeCo2 tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  an edgeedge with one O(2)LiFeCo2 tetrahedra, and  an edgeedge with one O(7)LiFeCo2 tetrahedra. In the eighth O site, O(7) is bonded to one Li(1), one Fe(1), one Co(2), and one Co(3) atom to form distorted OLiFeCo2 tetrahedra that share  a cornercorner with one O(2)LiFeCo2 tetrahedra,  a cornercorner with one O(6)LiFeCo2 tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  an edgeedge with one O(2)LiFeCo2 tetrahedra, and  an edgeedge with one O(6)LiFeCo2 tetrahedra. is represented by the CIF card [CIF]
data_Li2FeCo3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.777
_cell_length_b   5.777
_cell_length_c   9.416
_cell_angle_alpha   89.700
_cell_angle_beta   89.700
_cell_angle_gamma   119.792
_symmetry_Int_Tables_number   1
_cell_volume   272.661
_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
  Li  Li0  1  0.661  0.330  0.106  1.0
  Li  Li1  1  0.002  0.000  0.002  1.0
  Li  Li2  1  0.000  0.002  0.502  1.0
  Li  Li3  1  0.330  0.661  0.606  1.0
  Fe  Fe4  1  0.675  0.339  0.511  1.0
  Fe  Fe5  1  0.339  0.675  0.011  1.0
  Co  Co6  1  0.831  0.662  0.785  1.0
  Co  Co7  1  0.338  0.169  0.787  1.0
  Co  Co8  1  0.832  0.169  0.787  1.0
  Co  Co9  1  0.169  0.832  0.287  1.0
  Co  Co10  1  0.662  0.831  0.285  1.0
  Co  Co11  1  0.169  0.338  0.287  1.0
  O  O12  1  0.851  0.676  0.397  1.0
  O  O13  1  0.505  0.467  0.664  1.0
  O  O14  1  0.660  0.319  0.893  1.0
  O  O15  1  0.008  0.015  0.690  1.0
  O  O16  1  0.015  0.008  0.190  1.0
  O  O17  1  0.321  0.159  0.391  1.0
  O  O18  1  0.964  0.467  0.666  1.0
  O  O19  1  0.520  0.039  0.672  1.0
  O  O20  1  0.174  0.849  0.895  1.0
  O  O21  1  0.849  0.174  0.395  1.0
  O  O22  1  0.467  0.964  0.166  1.0
  O  O23  1  0.039  0.520  0.172  1.0
  O  O24  1  0.319  0.660  0.393  1.0
  O  O25  1  0.676  0.851  0.897  1.0
  O  O26  1  0.467  0.505  0.164  1.0
  O  O27  1  0.159  0.321  0.891  1.0
[/CIF]
.
The compound described by Li2FeCo3O8 is Spinel-derived structured and crystallizes in the monoclinic Cc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(6), and one O(7) atom to form LiO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra, corners with three equivalent Co(2)O6 octahedra, and corners with three equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-64°. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(1), one O(4), one O(5), and one O(8) atom. Fe(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-54°. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the second Co site, Co(2) is bonded to one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. In the third Co site, Co(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. There are eight inequivalent O sites. In the first O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(1), and one Co(2) atom. In the second O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(1), and one Co(3) atom. In the third O site, O(2) is bonded to one Li(1), one Fe(1), one Co(1), and one Co(2) atom to form distorted OLiFeCo2 tetrahedra that share  a cornercorner with one O(6)LiFeCo2 tetrahedra,  a cornercorner with one O(7)LiFeCo2 tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  an edgeedge with one O(6)LiFeCo2 tetrahedra, and  an edgeedge with one O(7)LiFeCo2 tetrahedra. In the fourth O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(1), one Co(2), and one Co(3) atom. In the fifth O site, O(4) is bonded to one Li(2), one Co(1), one Co(2), and one Co(3) atom to form distorted corner-sharing OLiCo3 tetrahedra. In the sixth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(2), and one Co(3) atom. In the seventh O site, O(6) is bonded to one Li(1), one Fe(1), one Co(1), and one Co(3) atom to form distorted OLiFeCo2 tetrahedra that share  a cornercorner with one O(2)LiFeCo2 tetrahedra,  a cornercorner with one O(7)LiFeCo2 tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  an edgeedge with one O(2)LiFeCo2 tetrahedra, and  an edgeedge with one O(7)LiFeCo2 tetrahedra. In the eighth O site, O(7) is bonded to one Li(1), one Fe(1), one Co(2), and one Co(3) atom to form distorted OLiFeCo2 tetrahedra that share  a cornercorner with one O(2)LiFeCo2 tetrahedra,  a cornercorner with one O(6)LiFeCo2 tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  an edgeedge with one O(2)LiFeCo2 tetrahedra, and  an edgeedge with one O(6)LiFeCo2 tetrahedra. is represented by the CIF card [CIF]
data_Li2FeCo3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.777
_cell_length_b   5.777
_cell_length_c   9.416
_cell_angle_alpha   89.700
_cell_angle_beta   89.700
_cell_angle_gamma   119.792
_symmetry_Int_Tables_number   1
_cell_volume   272.661
_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
  Li  Li0  1  0.661  0.330  0.106  1.0
  Li  Li1  1  0.002  0.000  0.002  1.0
  Li  Li2  1  0.000  0.002  0.502  1.0
  Li  Li3  1  0.330  0.661  0.606  1.0
  Fe  Fe4  1  0.675  0.339  0.511  1.0
  Fe  Fe5  1  0.339  0.675  0.011  1.0
  Co  Co6  1  0.831  0.662  0.785  1.0
  Co  Co7  1  0.338  0.169  0.787  1.0
  Co  Co8  1  0.832  0.169  0.787  1.0
  Co  Co9  1  0.169  0.832  0.287  1.0
  Co  Co10  1  0.662  0.831  0.285  1.0
  Co  Co11  1  0.169  0.338  0.287  1.0
  O  O12  1  0.851  0.676  0.397  1.0
  O  O13  1  0.505  0.467  0.664  1.0
  O  O14  1  0.660  0.319  0.893  1.0
  O  O15  1  0.008  0.015  0.690  1.0
  O  O16  1  0.015  0.008  0.190  1.0
  O  O17  1  0.321  0.159  0.391  1.0
  O  O18  1  0.964  0.467  0.666  1.0
  O  O19  1  0.520  0.039  0.672  1.0
  O  O20  1  0.174  0.849  0.895  1.0
  O  O21  1  0.849  0.174  0.395  1.0
  O  O22  1  0.467  0.964  0.166  1.0
  O  O23  1  0.039  0.520  0.172  1.0
  O  O24  1  0.319  0.660  0.393  1.0
  O  O25  1  0.676  0.851  0.897  1.0
  O  O26  1  0.467  0.505  0.164  1.0
  O  O27  1  0.159  0.321  0.891  1.0
[/CIF]
.