The compound described by Li2FeCo3O8 is Spinel-derived structured and crystallizes in the triclinic P-1 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(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, and corners with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. In the second Li site, Li(2) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, and corners with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-64°. Fe(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, and  an edgeedge with one Co(6)O6 octahedra. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the third Co site, Co(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the fourth Co site, Co(4) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the fifth Co site, Co(5) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. In the sixth Co site, Co(6) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Co(1), one Co(2), and one Co(6) atom to form distorted OLiCo3 trigonal pyramids that share  a cornercorner with one O(8)LiFeCo2 trigonal pyramid, corners with two equivalent O(3)LiFeCo2 trigonal pyramids, corners with three equivalent O(1)LiCo3 trigonal pyramids, and  an edgeedge with one O(3)LiFeCo2 trigonal pyramid. In the second O site, O(2) is bonded to one Li(1), one Co(3), one Co(4), and one Co(5) atom to form distorted OLiCo3 trigonal pyramids that share  a cornercorner with one O(3)LiFeCo2 trigonal pyramid, corners with two equivalent O(8)LiFeCo2 trigonal pyramids, corners with three equivalent O(2)LiCo3 trigonal pyramids, and  an edgeedge with one O(8)LiFeCo2 trigonal pyramid. In the third O site, O(3) is bonded to one Li(1), one Fe(1), one Co(1), and one Co(6) atom to form distorted OLiFeCo2 trigonal pyramids that share  a cornercorner with one O(2)LiCo3 trigonal pyramid,  a cornercorner with one O(8)LiFeCo2 trigonal pyramid, corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent O(3)LiFeCo2 trigonal pyramids, and  an edgeedge with one O(1)LiCo3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(3), and one Co(4) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Co(2), and one Co(6) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(3), and one Co(5) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Co(1), and one Co(2) atom. In the eighth O site, O(8) is bonded to one Li(2), one Fe(1), one Co(4), and one Co(5) atom to form distorted OLiFeCo2 trigonal pyramids that share  a cornercorner with one O(1)LiCo3 trigonal pyramid,  a cornercorner with one O(3)LiFeCo2 trigonal pyramid, corners with two equivalent O(2)LiCo3 trigonal pyramids, corners with two equivalent O(8)LiFeCo2 trigonal pyramids, and  an edgeedge with one O(2)LiCo3 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2FeCo3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.735
_cell_length_b   5.739
_cell_length_c   5.811
_cell_angle_alpha   60.549
_cell_angle_beta   60.509
_cell_angle_gamma   60.094
_symmetry_Int_Tables_number   1
_cell_volume   136.422
_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
  Co  Co0  1  0.500  1.000  0.000  1.0
  Co  Co1  1  0.500  0.500  0.000  1.0
  Co  Co2  1  1.000  0.500  0.000  1.0
  Fe  Fe3  1  0.500  0.500  0.500  1.0
  Li  Li4  1  0.124  0.118  0.634  1.0
  Li  Li5  1  0.876  0.882  0.366  1.0
  O  O6  1  0.736  0.736  0.792  1.0
  O  O7  1  0.264  0.264  0.208  1.0
  O  O8  1  0.256  0.251  0.784  1.0
  O  O9  1  0.256  0.708  0.779  1.0
  O  O10  1  0.710  0.250  0.784  1.0
  O  O11  1  0.290  0.750  0.216  1.0
  O  O12  1  0.744  0.292  0.221  1.0
  O  O13  1  0.744  0.749  0.216  1.0
[/CIF]
.
The compound described by Li2FeCo3O8 is Spinel-derived structured and crystallizes in the triclinic P-1 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(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, and corners with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. In the second Li site, Li(2) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, and corners with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-64°. Fe(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, and  an edgeedge with one Co(6)O6 octahedra. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the third Co site, Co(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the fourth Co site, Co(4) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the fifth Co site, Co(5) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. In the sixth Co site, Co(6) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Co(1), one Co(2), and one Co(6) atom to form distorted OLiCo3 trigonal pyramids that share  a cornercorner with one O(8)LiFeCo2 trigonal pyramid, corners with two equivalent O(3)LiFeCo2 trigonal pyramids, corners with three equivalent O(1)LiCo3 trigonal pyramids, and  an edgeedge with one O(3)LiFeCo2 trigonal pyramid. In the second O site, O(2) is bonded to one Li(1), one Co(3), one Co(4), and one Co(5) atom to form distorted OLiCo3 trigonal pyramids that share  a cornercorner with one O(3)LiFeCo2 trigonal pyramid, corners with two equivalent O(8)LiFeCo2 trigonal pyramids, corners with three equivalent O(2)LiCo3 trigonal pyramids, and  an edgeedge with one O(8)LiFeCo2 trigonal pyramid. In the third O site, O(3) is bonded to one Li(1), one Fe(1), one Co(1), and one Co(6) atom to form distorted OLiFeCo2 trigonal pyramids that share  a cornercorner with one O(2)LiCo3 trigonal pyramid,  a cornercorner with one O(8)LiFeCo2 trigonal pyramid, corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent O(3)LiFeCo2 trigonal pyramids, and  an edgeedge with one O(1)LiCo3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(3), and one Co(4) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Co(2), and one Co(6) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(3), and one Co(5) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Co(1), and one Co(2) atom. In the eighth O site, O(8) is bonded to one Li(2), one Fe(1), one Co(4), and one Co(5) atom to form distorted OLiFeCo2 trigonal pyramids that share  a cornercorner with one O(1)LiCo3 trigonal pyramid,  a cornercorner with one O(3)LiFeCo2 trigonal pyramid, corners with two equivalent O(2)LiCo3 trigonal pyramids, corners with two equivalent O(8)LiFeCo2 trigonal pyramids, and  an edgeedge with one O(2)LiCo3 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2FeCo3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.735
_cell_length_b   5.739
_cell_length_c   5.811
_cell_angle_alpha   60.549
_cell_angle_beta   60.509
_cell_angle_gamma   60.094
_symmetry_Int_Tables_number   1
_cell_volume   136.422
_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
  Co  Co0  1  0.500  1.000  0.000  1.0
  Co  Co1  1  0.500  0.500  0.000  1.0
  Co  Co2  1  1.000  0.500  0.000  1.0
  Fe  Fe3  1  0.500  0.500  0.500  1.0
  Li  Li4  1  0.124  0.118  0.634  1.0
  Li  Li5  1  0.876  0.882  0.366  1.0
  O  O6  1  0.736  0.736  0.792  1.0
  O  O7  1  0.264  0.264  0.208  1.0
  O  O8  1  0.256  0.251  0.784  1.0
  O  O9  1  0.256  0.708  0.779  1.0
  O  O10  1  0.710  0.250  0.784  1.0
  O  O11  1  0.290  0.750  0.216  1.0
  O  O12  1  0.744  0.292  0.221  1.0
  O  O13  1  0.744  0.749  0.216  1.0
[/CIF]
.