The crystal structure described by Li2Mn(CoO3)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with five equivalent Co(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-18°. In the second Li site, Li(2) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(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 6-8°. In the third Li site, Li(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(2)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 7-13°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with four equivalent Li(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(2)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 are 7°. In the second Mn site, Mn(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(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 6-11°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(6) atoms to form CoO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles are 13°. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(3), one O(6), and two equivalent O(5) atoms to form CoO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with five equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-18°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a see-saw-like geometry to one Li(1), one Mn(1), one Co(1), and one Co(2) atom. In the second O site, O(2) is bonded to two equivalent Li(1), one Mn(2), one Co(1), and one Co(2) atom to form OLi2MnCo2 square pyramids that share  a cornercorner with one O(3)Li3Mn2Co octahedra,  a cornercorner with one O(6)Li2Co3 square pyramid,  a cornercorner with one O(4)Li2Mn2Co square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, corners with three equivalent O(5)Li2Co3 square pyramids, edges with two equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Mn2Co square pyramid,  an edgeedge with one O(2)Li2MnCo2 square pyramid, and edges with two equivalent O(6)Li2Co3 square pyramids. The corner-sharing octahedral tilt angles are 9°. In the third O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Mn(1), one Mn(2), and one Co(2) atom to form OLi3Mn2Co octahedra that share corners with four equivalent O(3)Li3Mn2Co octahedra,  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, edges with two equivalent O(5)Li2Co3 square pyramids, edges with two equivalent O(6)Li2Co3 square pyramids, edges with two equivalent O(2)Li2MnCo2 square pyramids, and edges with four equivalent O(4)Li2Mn2Co square pyramids. The corner-sharing octahedra are not tilted. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Mn(1), one Mn(2), and one Co(1) atom to form OLi2Mn2Co square pyramids that share  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, corners with two equivalent O(6)Li2Co3 square pyramids, corners with four equivalent O(4)Li2Mn2Co square pyramids, edges with four equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li2Co3 square pyramid,  an edgeedge with one O(6)Li2Co3 square pyramid, and  an edgeedge with one O(2)Li2MnCo2 square pyramid. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Co(1), and two equivalent Co(2) atoms to form OLi2Co3 square pyramids that share  a cornercorner with one O(3)Li3Mn2Co octahedra,  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(6)Li2Co3 square pyramid,  a cornercorner with one O(4)Li2Mn2Co square pyramid, corners with three equivalent O(2)Li2MnCo2 square pyramids, edges with two equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Mn2Co square pyramid,  an edgeedge with one O(2)Li2MnCo2 square pyramid, and edges with two equivalent O(6)Li2Co3 square pyramids. The corner-sharing octahedral tilt angles are 2°. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Co(2), and two equivalent Co(1) atoms to form OLi2Co3 square pyramids that share  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(6)Li2Co3 square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, corners with two equivalent O(4)Li2Mn2Co square pyramids, edges with two equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(6)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Mn2Co square pyramid, edges with two equivalent O(5)Li2Co3 square pyramids, and edges with two equivalent O(2)Li2MnCo2 square pyramids. is represented by the CIF file [CIF]
data_Li2Mn(CoO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.732
_cell_length_b   5.955
_cell_length_c   6.720
_cell_angle_alpha   103.864
_cell_angle_beta   101.832
_cell_angle_gamma   88.743
_symmetry_Int_Tables_number   1
_cell_volume   217.886
_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  0.816  0.844  0.851  1.0
  Li  Li1  1  0.500  0.500  0.500  1.0
  Li  Li2  1  0.000  0.500  0.500  1.0
  Li  Li3  1  0.184  0.156  0.149  1.0
  Mn  Mn4  1  0.500  0.000  0.500  1.0
  Mn  Mn5  1  0.000  0.000  0.500  1.0
  Co  Co6  1  0.831  0.330  0.835  1.0
  Co  Co7  1  0.331  0.341  0.842  1.0
  Co  Co8  1  0.669  0.659  0.158  1.0
  Co  Co9  1  0.169  0.670  0.165  1.0
  O  O10  1  0.579  0.108  0.804  1.0
  O  O11  1  0.061  0.097  0.809  1.0
  O  O12  1  0.753  0.778  0.500  1.0
  O  O13  1  0.254  0.783  0.504  1.0
  O  O14  1  0.746  0.217  0.496  1.0
  O  O15  1  0.403  0.438  0.157  1.0
  O  O16  1  0.247  0.222  0.500  1.0
  O  O17  1  0.421  0.892  0.196  1.0
  O  O18  1  0.929  0.455  0.173  1.0
  O  O19  1  0.939  0.903  0.191  1.0
  O  O20  1  0.597  0.562  0.843  1.0
  O  O21  1  0.071  0.545  0.827  1.0
[/CIF]
.
The crystal structure described by Li2Mn(CoO3)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with five equivalent Co(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-18°. In the second Li site, Li(2) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(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 6-8°. In the third Li site, Li(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(2)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 7-13°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with four equivalent Li(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(2)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 are 7°. In the second Mn site, Mn(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(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 6-11°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(6) atoms to form CoO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles are 13°. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(3), one O(6), and two equivalent O(5) atoms to form CoO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with five equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-18°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a see-saw-like geometry to one Li(1), one Mn(1), one Co(1), and one Co(2) atom. In the second O site, O(2) is bonded to two equivalent Li(1), one Mn(2), one Co(1), and one Co(2) atom to form OLi2MnCo2 square pyramids that share  a cornercorner with one O(3)Li3Mn2Co octahedra,  a cornercorner with one O(6)Li2Co3 square pyramid,  a cornercorner with one O(4)Li2Mn2Co square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, corners with three equivalent O(5)Li2Co3 square pyramids, edges with two equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Mn2Co square pyramid,  an edgeedge with one O(2)Li2MnCo2 square pyramid, and edges with two equivalent O(6)Li2Co3 square pyramids. The corner-sharing octahedral tilt angles are 9°. In the third O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Mn(1), one Mn(2), and one Co(2) atom to form OLi3Mn2Co octahedra that share corners with four equivalent O(3)Li3Mn2Co octahedra,  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, edges with two equivalent O(5)Li2Co3 square pyramids, edges with two equivalent O(6)Li2Co3 square pyramids, edges with two equivalent O(2)Li2MnCo2 square pyramids, and edges with four equivalent O(4)Li2Mn2Co square pyramids. The corner-sharing octahedra are not tilted. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Mn(1), one Mn(2), and one Co(1) atom to form OLi2Mn2Co square pyramids that share  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, corners with two equivalent O(6)Li2Co3 square pyramids, corners with four equivalent O(4)Li2Mn2Co square pyramids, edges with four equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li2Co3 square pyramid,  an edgeedge with one O(6)Li2Co3 square pyramid, and  an edgeedge with one O(2)Li2MnCo2 square pyramid. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Co(1), and two equivalent Co(2) atoms to form OLi2Co3 square pyramids that share  a cornercorner with one O(3)Li3Mn2Co octahedra,  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(6)Li2Co3 square pyramid,  a cornercorner with one O(4)Li2Mn2Co square pyramid, corners with three equivalent O(2)Li2MnCo2 square pyramids, edges with two equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Mn2Co square pyramid,  an edgeedge with one O(2)Li2MnCo2 square pyramid, and edges with two equivalent O(6)Li2Co3 square pyramids. The corner-sharing octahedral tilt angles are 2°. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Co(2), and two equivalent Co(1) atoms to form OLi2Co3 square pyramids that share  a cornercorner with one O(5)Li2Co3 square pyramid,  a cornercorner with one O(6)Li2Co3 square pyramid,  a cornercorner with one O(2)Li2MnCo2 square pyramid, corners with two equivalent O(4)Li2Mn2Co square pyramids, edges with two equivalent O(3)Li3Mn2Co octahedra,  an edgeedge with one O(6)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Mn2Co square pyramid, edges with two equivalent O(5)Li2Co3 square pyramids, and edges with two equivalent O(2)Li2MnCo2 square pyramids. is represented by the CIF file [CIF]
data_Li2Mn(CoO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.732
_cell_length_b   5.955
_cell_length_c   6.720
_cell_angle_alpha   103.864
_cell_angle_beta   101.832
_cell_angle_gamma   88.743
_symmetry_Int_Tables_number   1
_cell_volume   217.886
_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  0.816  0.844  0.851  1.0
  Li  Li1  1  0.500  0.500  0.500  1.0
  Li  Li2  1  0.000  0.500  0.500  1.0
  Li  Li3  1  0.184  0.156  0.149  1.0
  Mn  Mn4  1  0.500  0.000  0.500  1.0
  Mn  Mn5  1  0.000  0.000  0.500  1.0
  Co  Co6  1  0.831  0.330  0.835  1.0
  Co  Co7  1  0.331  0.341  0.842  1.0
  Co  Co8  1  0.669  0.659  0.158  1.0
  Co  Co9  1  0.169  0.670  0.165  1.0
  O  O10  1  0.579  0.108  0.804  1.0
  O  O11  1  0.061  0.097  0.809  1.0
  O  O12  1  0.753  0.778  0.500  1.0
  O  O13  1  0.254  0.783  0.504  1.0
  O  O14  1  0.746  0.217  0.496  1.0
  O  O15  1  0.403  0.438  0.157  1.0
  O  O16  1  0.247  0.222  0.500  1.0
  O  O17  1  0.421  0.892  0.196  1.0
  O  O18  1  0.929  0.455  0.173  1.0
  O  O19  1  0.939  0.903  0.191  1.0
  O  O20  1  0.597  0.562  0.843  1.0
  O  O21  1  0.071  0.545  0.827  1.0
[/CIF]
.