The structure described by Li2Co(CO3)2 crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(19), one O(21), and one O(5) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, and  an edgeedge with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-80°. In the second Li site, Li(2) is bonded to one O(20), one O(22), one O(6), and one O(9) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. In the third Li site, Li(3) is bonded to one O(11), one O(17), one O(24), and one O(8) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. In the fourth Li site, Li(4) is bonded to one O(12), one O(18), one O(23), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(16), one O(19), one O(3), and one O(9) atom. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(10), one O(15), one O(20), and one O(4) atom. In the seventh Li site, Li(7) is bonded to one O(11), one O(13), one O(18), and one O(2) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, and  a cornercorner with one Li(4)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 43-79°. In the eighth Li site, Li(8) is bonded in a 4-coordinate geometry to one O(1), one O(12), one O(14), and one O(17) atom. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(12), one O(14), one O(18), one O(22), one O(4), and one O(8) atom to form distorted CoO6 octahedra that share  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  a cornercorner with one Li(3)O4 trigonal pyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the second Co site, Co(2) is bonded to one O(10), one O(15), one O(19), one O(2), one O(23), and one O(6) atom to form distorted CoO6 octahedra that share  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  a cornercorner with one Li(4)O4 trigonal pyramid, and  an edgeedge with one Li(1)O4 trigonal pyramid. In the third Co site, Co(3) is bonded to one O(11), one O(13), one O(17), one O(21), one O(3), and one O(7) atom to form distorted CoO6 octahedra that share corners with two equivalent Li(7)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(4)O4 trigonal pyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fourth Co site, Co(4) is bonded to one O(1), one O(16), one O(20), one O(24), one O(5), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(3)O4 trigonal pyramid, and  an edgeedge with one Li(2)O4 trigonal pyramid. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(13), and one O(5) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(14), one O(2), and one O(6) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(15), one O(3), and one O(7) atom. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(16), one O(4), and one O(8) atom. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one O(17), one O(21), and one O(9) atom. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one O(10), one O(18), and one O(22) atom. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one O(11), one O(19), and one O(23) atom. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one O(12), one O(20), and one O(24) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(8), one Co(4), and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(7), one Co(2), and one C(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(5), one Co(3), and one C(3) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(6), one Co(1), and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one Co(4), and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(2), one Co(2), and one C(2) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Li(4), one Co(3), and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Li(3), one Co(1), and one C(4) atom. In the ninth O site, O(9) is bonded in a distorted tetrahedral geometry to one Li(2), one Li(5), one Co(4), and one C(5) atom. In the tenth O site, O(10) is bonded to one Li(1), one Li(6), one Co(2), and one C(6) atom to form distorted corner-sharing OLi2CoC tetrahedra. In the eleventh O site, O(11) is bonded to one Li(3), one Li(7), one Co(3), and one C(7) atom to form distorted corner-sharing OLi2CoC tetrahedra. In the twelfth O site, O(12) is bonded to one Li(4), one Li(8), one Co(1), and one C(8) atom to form distorted edge-sharing OLi2CoC tetrahedra. In the thirteenth O site, O(13) is bonded in a trigonal non-coplanar geometry to one Li(7), one Co(3), and one C(1) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Li(8), one Co(1), and one C(2) atom. In the fifteenth O site, O(15) is bonded in a trigonal non-coplanar geometry to one Li(6), one Co(2), and one C(3) atom. In the sixteenth O site, O(16) is bonded in a trigonal non-coplanar geometry to one Li(5), one Co(4), and one C(4) atom. In the seventeenth O site, O(17) is bonded in a 4-coordinate geometry to one Li(3), one Li(8), one Co(3), and one C(5) atom. In the eighteenth O site, O(18) is bonded to one Li(4), one Li(7), one Co(1), and one C(6) atom to form a mixture of distorted corner and edge-sharing OLi2CoC trigonal pyramids. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(1), one Li(5), one Co(2), and one C(7) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Li(2), one Li(6), one Co(4), and one C(8) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Li(1), one Co(3), and one C(5) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Li(2), one Co(1), and one C(6) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Li(4), one Co(2), and one C(7) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Li(3), one Co(4), and one C(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Co(CO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.161
_cell_length_b   6.413
_cell_length_c   7.952
_cell_angle_alpha   89.944
_cell_angle_beta   89.988
_cell_angle_gamma   113.557
_symmetry_Int_Tables_number   1
_cell_volume   241.228
_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
  C  C0  1  0.149  0.872  0.259  1.0
  C  C1  1  0.148  0.372  0.243  1.0
  C  C2  1  0.845  0.638  0.767  1.0
  C  C3  1  0.845  0.138  0.734  1.0
  Co  Co4  1  0.009  0.518  0.502  1.0
  Co  Co5  1  0.010  0.019  0.999  1.0
  Li  Li6  1  0.403  0.763  0.922  1.0
  Li  Li7  1  0.403  0.264  0.580  1.0
  Li  Li8  1  0.656  0.405  0.072  1.0
  Li  Li9  1  0.655  0.903  0.430  1.0
  O  O10  1  0.912  0.897  0.255  1.0
  O  O11  1  0.910  0.396  0.247  1.0
  O  O12  1  0.284  0.896  0.118  1.0
  O  O13  1  0.284  0.395  0.384  1.0
  O  O14  1  0.747  0.680  0.909  1.0
  O  O15  1  0.746  0.179  0.592  1.0
  O  O16  1  0.251  0.832  0.399  1.0
  O  O17  1  0.250  0.333  0.103  1.0
  O  O18  1  0.697  0.602  0.629  1.0
  O  O19  1  0.697  0.103  0.873  1.0
  O  O20  1  0.089  0.626  0.759  1.0
  O  O21  1  0.089  0.126  0.742  1.0
[/CIF]
.
The structure described by Li2Co(CO3)2 crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(19), one O(21), and one O(5) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, and  an edgeedge with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-80°. In the second Li site, Li(2) is bonded to one O(20), one O(22), one O(6), and one O(9) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. In the third Li site, Li(3) is bonded to one O(11), one O(17), one O(24), and one O(8) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. In the fourth Li site, Li(4) is bonded to one O(12), one O(18), one O(23), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(16), one O(19), one O(3), and one O(9) atom. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(10), one O(15), one O(20), and one O(4) atom. In the seventh Li site, Li(7) is bonded to one O(11), one O(13), one O(18), and one O(2) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, and  a cornercorner with one Li(4)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 43-79°. In the eighth Li site, Li(8) is bonded in a 4-coordinate geometry to one O(1), one O(12), one O(14), and one O(17) atom. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(12), one O(14), one O(18), one O(22), one O(4), and one O(8) atom to form distorted CoO6 octahedra that share  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  a cornercorner with one Li(3)O4 trigonal pyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the second Co site, Co(2) is bonded to one O(10), one O(15), one O(19), one O(2), one O(23), and one O(6) atom to form distorted CoO6 octahedra that share  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  a cornercorner with one Li(4)O4 trigonal pyramid, and  an edgeedge with one Li(1)O4 trigonal pyramid. In the third Co site, Co(3) is bonded to one O(11), one O(13), one O(17), one O(21), one O(3), and one O(7) atom to form distorted CoO6 octahedra that share corners with two equivalent Li(7)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(4)O4 trigonal pyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fourth Co site, Co(4) is bonded to one O(1), one O(16), one O(20), one O(24), one O(5), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(3)O4 trigonal pyramid, and  an edgeedge with one Li(2)O4 trigonal pyramid. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(13), and one O(5) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(14), one O(2), and one O(6) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(15), one O(3), and one O(7) atom. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(16), one O(4), and one O(8) atom. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one O(17), one O(21), and one O(9) atom. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one O(10), one O(18), and one O(22) atom. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one O(11), one O(19), and one O(23) atom. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one O(12), one O(20), and one O(24) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(8), one Co(4), and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(7), one Co(2), and one C(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(5), one Co(3), and one C(3) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(6), one Co(1), and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one Co(4), and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(2), one Co(2), and one C(2) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Li(4), one Co(3), and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Li(3), one Co(1), and one C(4) atom. In the ninth O site, O(9) is bonded in a distorted tetrahedral geometry to one Li(2), one Li(5), one Co(4), and one C(5) atom. In the tenth O site, O(10) is bonded to one Li(1), one Li(6), one Co(2), and one C(6) atom to form distorted corner-sharing OLi2CoC tetrahedra. In the eleventh O site, O(11) is bonded to one Li(3), one Li(7), one Co(3), and one C(7) atom to form distorted corner-sharing OLi2CoC tetrahedra. In the twelfth O site, O(12) is bonded to one Li(4), one Li(8), one Co(1), and one C(8) atom to form distorted edge-sharing OLi2CoC tetrahedra. In the thirteenth O site, O(13) is bonded in a trigonal non-coplanar geometry to one Li(7), one Co(3), and one C(1) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Li(8), one Co(1), and one C(2) atom. In the fifteenth O site, O(15) is bonded in a trigonal non-coplanar geometry to one Li(6), one Co(2), and one C(3) atom. In the sixteenth O site, O(16) is bonded in a trigonal non-coplanar geometry to one Li(5), one Co(4), and one C(4) atom. In the seventeenth O site, O(17) is bonded in a 4-coordinate geometry to one Li(3), one Li(8), one Co(3), and one C(5) atom. In the eighteenth O site, O(18) is bonded to one Li(4), one Li(7), one Co(1), and one C(6) atom to form a mixture of distorted corner and edge-sharing OLi2CoC trigonal pyramids. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(1), one Li(5), one Co(2), and one C(7) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Li(2), one Li(6), one Co(4), and one C(8) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Li(1), one Co(3), and one C(5) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Li(2), one Co(1), and one C(6) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Li(4), one Co(2), and one C(7) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Li(3), one Co(4), and one C(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Co(CO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.161
_cell_length_b   6.413
_cell_length_c   7.952
_cell_angle_alpha   89.944
_cell_angle_beta   89.988
_cell_angle_gamma   113.557
_symmetry_Int_Tables_number   1
_cell_volume   241.228
_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
  C  C0  1  0.149  0.872  0.259  1.0
  C  C1  1  0.148  0.372  0.243  1.0
  C  C2  1  0.845  0.638  0.767  1.0
  C  C3  1  0.845  0.138  0.734  1.0
  Co  Co4  1  0.009  0.518  0.502  1.0
  Co  Co5  1  0.010  0.019  0.999  1.0
  Li  Li6  1  0.403  0.763  0.922  1.0
  Li  Li7  1  0.403  0.264  0.580  1.0
  Li  Li8  1  0.656  0.405  0.072  1.0
  Li  Li9  1  0.655  0.903  0.430  1.0
  O  O10  1  0.912  0.897  0.255  1.0
  O  O11  1  0.910  0.396  0.247  1.0
  O  O12  1  0.284  0.896  0.118  1.0
  O  O13  1  0.284  0.395  0.384  1.0
  O  O14  1  0.747  0.680  0.909  1.0
  O  O15  1  0.746  0.179  0.592  1.0
  O  O16  1  0.251  0.832  0.399  1.0
  O  O17  1  0.250  0.333  0.103  1.0
  O  O18  1  0.697  0.602  0.629  1.0
  O  O19  1  0.697  0.103  0.873  1.0
  O  O20  1  0.089  0.626  0.759  1.0
  O  O21  1  0.089  0.126  0.742  1.0
[/CIF]
.