The compound described by Li2Fe(CoO3)2 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(12), one O(4), and one O(7) atom. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(11), one O(6), one O(8), and one O(9) atom. In the third Li site, Li(3) is bonded in a distorted see-saw-like geometry to one O(10), one O(12), one O(4), and one O(7) atom. In the fourth Li site, Li(4) is bonded to one O(11), one O(6), one O(8), and one O(9) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-68°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Co(1)O6 octahedra, and edges with three equivalent Co(4)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(1), one O(11), one O(12), one O(5), one O(6), and one O(7) atom to form FeO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Co(2)O6 octahedra, and edges with three equivalent Co(3)O6 octahedra. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Co(4)O6 octahedra. In the second Co site, Co(2) is bonded to one O(1), one O(11), one O(12), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share edges with three equivalent Fe(2)O6 octahedra, edges with three equivalent Co(3)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(12), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Fe(2)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form CoO6 octahedra that share edges with three equivalent Fe(1)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped 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 Fe(1), one Co(1), and one Co(4) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Co(1), and one Co(4) atom. In the fourth O site, O(4) is bonded to one Li(1), one Li(3), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Fe(2), one Co(2), and one Co(3) atom. In the sixth O site, O(6) is bonded to one Li(2), one Li(4), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the seventh O site, O(7) is bonded to one Li(1), one Li(3), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the eighth O site, O(8) is bonded to one Li(2), one Li(4), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the ninth O site, O(9) is bonded to one Li(2), one Li(4), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the tenth O site, O(10) is bonded to one Li(1), one Li(3), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the eleventh O site, O(11) is bonded to one Li(2), one Li(4), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the twelfth O site, O(12) is bonded to one Li(1), one Li(3), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Fe(CoO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.057
_cell_length_b   5.095
_cell_length_c   10.147
_cell_angle_alpha   91.043
_cell_angle_beta   90.485
_cell_angle_gamma   58.957
_symmetry_Int_Tables_number   1
_cell_volume   223.946
_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  0.494  0.149  0.750  1.0
  Li  Li1  1  0.461  0.374  0.251  1.0
  Li  Li2  1  0.540  0.629  0.748  1.0
  Li  Li3  1  0.494  0.853  0.250  1.0
  Fe  Fe4  1  0.996  0.005  0.000  1.0
  Fe  Fe5  1  0.005  0.495  0.500  1.0
  Co  Co6  1  0.318  0.339  0.999  1.0
  Co  Co7  1  0.343  0.827  0.501  1.0
  Co  Co8  1  0.683  0.162  0.499  1.0
  Co  Co9  1  0.658  0.672  0.000  1.0
  O  O10  1  0.013  0.163  0.594  1.0
  O  O11  1  0.987  0.345  0.094  1.0
  O  O12  1  0.989  0.665  0.908  1.0
  O  O13  1  0.364  0.964  0.888  1.0
  O  O14  1  0.013  0.825  0.408  1.0
  O  O15  1  0.355  0.149  0.401  1.0
  O  O16  1  0.368  0.494  0.603  1.0
  O  O17  1  0.351  0.681  0.106  1.0
  O  O18  1  0.633  0.012  0.104  1.0
  O  O19  1  0.648  0.345  0.900  1.0
  O  O20  1  0.638  0.530  0.387  1.0
  O  O21  1  0.651  0.824  0.607  1.0
[/CIF]
.
The compound described by Li2Fe(CoO3)2 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(12), one O(4), and one O(7) atom. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(11), one O(6), one O(8), and one O(9) atom. In the third Li site, Li(3) is bonded in a distorted see-saw-like geometry to one O(10), one O(12), one O(4), and one O(7) atom. In the fourth Li site, Li(4) is bonded to one O(11), one O(6), one O(8), and one O(9) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-68°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Co(1)O6 octahedra, and edges with three equivalent Co(4)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(1), one O(11), one O(12), one O(5), one O(6), and one O(7) atom to form FeO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Co(2)O6 octahedra, and edges with three equivalent Co(3)O6 octahedra. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Co(4)O6 octahedra. In the second Co site, Co(2) is bonded to one O(1), one O(11), one O(12), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share edges with three equivalent Fe(2)O6 octahedra, edges with three equivalent Co(3)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(12), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Li(4)O4 trigonal pyramids, edges with three equivalent Fe(2)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form CoO6 octahedra that share edges with three equivalent Fe(1)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped 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 Fe(1), one Co(1), and one Co(4) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Co(1), and one Co(4) atom. In the fourth O site, O(4) is bonded to one Li(1), one Li(3), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Fe(2), one Co(2), and one Co(3) atom. In the sixth O site, O(6) is bonded to one Li(2), one Li(4), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the seventh O site, O(7) is bonded to one Li(1), one Li(3), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the eighth O site, O(8) is bonded to one Li(2), one Li(4), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the ninth O site, O(9) is bonded to one Li(2), one Li(4), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the tenth O site, O(10) is bonded to one Li(1), one Li(3), one Fe(1), one Co(1), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the eleventh O site, O(11) is bonded to one Li(2), one Li(4), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. In the twelfth O site, O(12) is bonded to one Li(1), one Li(3), one Fe(2), one Co(2), and one Co(3) atom to form a mixture of distorted corner and edge-sharing OLi2FeCo2 trigonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Fe(CoO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.057
_cell_length_b   5.095
_cell_length_c   10.147
_cell_angle_alpha   91.043
_cell_angle_beta   90.485
_cell_angle_gamma   58.957
_symmetry_Int_Tables_number   1
_cell_volume   223.946
_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  0.494  0.149  0.750  1.0
  Li  Li1  1  0.461  0.374  0.251  1.0
  Li  Li2  1  0.540  0.629  0.748  1.0
  Li  Li3  1  0.494  0.853  0.250  1.0
  Fe  Fe4  1  0.996  0.005  0.000  1.0
  Fe  Fe5  1  0.005  0.495  0.500  1.0
  Co  Co6  1  0.318  0.339  0.999  1.0
  Co  Co7  1  0.343  0.827  0.501  1.0
  Co  Co8  1  0.683  0.162  0.499  1.0
  Co  Co9  1  0.658  0.672  0.000  1.0
  O  O10  1  0.013  0.163  0.594  1.0
  O  O11  1  0.987  0.345  0.094  1.0
  O  O12  1  0.989  0.665  0.908  1.0
  O  O13  1  0.364  0.964  0.888  1.0
  O  O14  1  0.013  0.825  0.408  1.0
  O  O15  1  0.355  0.149  0.401  1.0
  O  O16  1  0.368  0.494  0.603  1.0
  O  O17  1  0.351  0.681  0.106  1.0
  O  O18  1  0.633  0.012  0.104  1.0
  O  O19  1  0.648  0.345  0.900  1.0
  O  O20  1  0.638  0.530  0.387  1.0
  O  O21  1  0.651  0.824  0.607  1.0
[/CIF]
.