The compound described by Li2Co(PO4)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(18), one O(20), one O(29), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one Li(6)O4 trigonal pyramid, and  an edgeedge with one Li(3)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(10), one O(11), one O(16), and one O(6) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the third Li site, Li(3) is bonded to one O(11), one O(17), one O(18), and one O(29) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, and  an edgeedge with one Li(1)O4 tetrahedra. In the fourth Li site, Li(4) is bonded to one O(21), one O(27), one O(29), and one O(30) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. In the fifth Li site, Li(5) is bonded to one O(16), one O(22), one O(32), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the sixth Li site, Li(6) is bonded to one O(12), one O(25), one O(4), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. In the seventh Li site, Li(7) is bonded to one O(12), one O(17), one O(22), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the eighth Li site, Li(8) is bonded to one O(10), one O(20), one O(21), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(14), one O(19), one O(3), and one O(30) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. In the second Co site, Co(2) is bonded to one O(13), one O(15), one O(23), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the third Co site, Co(3) is bonded to one O(2), one O(27), one O(28), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. In the fourth Co site, Co(4) is bonded to one O(1), one O(24), one O(26), and one O(31) atom to form CoO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(15), one O(22), one O(28), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. In the second P site, P(2) is bonded to one O(19), one O(29), one O(4), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. In the third P site, P(3) is bonded to one O(13), one O(17), one O(2), and one O(20) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, and  a cornercorner with one Co(3)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(1), one O(12), one O(18), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. In the fifth P site, P(5) is bonded to one O(10), one O(27), one O(3), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the sixth P site, P(6) is bonded to one O(23), one O(24), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the seventh P site, P(7) is bonded to one O(11), one O(14), one O(21), and one O(26) atom to form PO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the eighth P site, P(8) is bonded to one O(16), one O(25), one O(30), and one O(31) atom to form PO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, and  a cornercorner with one Li(6)O4 trigonal pyramid. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Co(4) and one P(4) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Co(3) and one P(3) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(5) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(6), one Li(7), and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Li(5) and one P(6) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Li(8), and one P(6) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Li(6), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Li(2), one Li(8), and one P(5) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Li(2), one Li(3), and one P(7) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(6), one Li(7), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Co(2) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Co(1) and one P(7) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(1) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Li(2), one Li(5), and one P(8) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one Li(3), one Li(7), and one P(3) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Li(3), and one P(4) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(2) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Li(1), one Li(8), and one P(3) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one Li(4), one Li(8), and one P(7) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one Li(5), one Li(7), and one P(1) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one P(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted bent 120 degrees geometry to one Co(4) and one P(6) atom. In the twenty-fifth O site, O(25) is bonded in a bent 120 degrees geometry to one Li(6) and one P(8) atom. In the twenty-sixth O site, O(26) is bonded in a bent 120 degrees geometry to one Co(4) and one P(7) atom. In the twenty-seventh O site, O(27) is bonded in a trigonal planar geometry to one Li(4), one Co(3), and one P(5) atom. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one Co(3) and one P(1) atom. In the twenty-ninth O site, O(29) is bonded in a distorted tetrahedral geometry to one Li(1), one Li(3), one Li(4), and one P(2) atom. In the thirtieth O site, O(30) is bonded in a trigonal planar geometry to one Li(4), one Co(1), and one P(8) atom. In the thirty-first O site, O(31) is bonded in a bent 150 degrees geometry to one Co(4) and one P(8) atom. In the thirty-second O site, O(32) is bonded in a bent 120 degrees geometry to one Li(5) and one P(5) atom. is represented by the CIF file [CIF]
data_Li2Co(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.293
_cell_length_b   8.408
_cell_length_c   10.588
_cell_angle_alpha   90.151
_cell_angle_beta   90.240
_cell_angle_gamma   103.726
_symmetry_Int_Tables_number   1
_cell_volume   717.111
_cell_formula_units_Z   4
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  0.439  0.223  0.566  1.0
  Li  Li1  1  0.445  0.717  0.939  1.0
  Li  Li2  1  0.385  0.901  0.670  1.0
  Li  Li3  1  0.636  0.171  0.852  1.0
  Li  Li4  1  0.620  0.587  0.171  1.0
  Li  Li5  1  0.607  0.105  0.323  1.0
  Li  Li6  1  0.552  0.781  0.432  1.0
  Li  Li7  1  0.380  0.404  0.830  1.0
  Co  Co8  1  0.906  0.920  0.832  1.0
  Co  Co9  1  0.088  0.576  0.339  1.0
  Co  Co10  1  0.904  0.427  0.666  1.0
  Co  Co11  1  0.110  0.078  0.159  1.0
  P  P12  1  0.715  0.470  0.418  1.0
  P  P13  1  0.750  0.059  0.598  1.0
  P  P14  1  0.281  0.531  0.584  1.0
  P  P15  1  0.251  0.945  0.405  1.0
  P  P16  1  0.752  0.551  0.904  1.0
  P  P17  1  0.244  0.450  0.098  1.0
  P  P18  1  0.290  0.029  0.909  1.0
  P  P19  1  0.727  0.964  0.081  1.0
  O  O20  1  0.181  0.069  0.320  1.0
  O  O21  1  0.120  0.540  0.664  1.0
  O  O22  1  0.896  0.708  0.876  1.0
  O  O23  1  0.719  0.997  0.464  1.0
  O  O24  1  0.403  0.436  0.163  1.0
  O  O25  1  0.265  0.512  0.963  1.0
  O  O26  1  0.595  0.303  0.423  1.0
  O  O27  1  0.107  0.782  0.400  1.0
  O  O28  1  0.895  0.222  0.605  1.0
  O  O29  1  0.588  0.577  0.855  1.0
  O  O30  1  0.354  0.886  0.856  1.0
  O  O31  1  0.407  0.915  0.345  1.0
  O  O32  1  0.215  0.481  0.446  1.0
  O  O33  1  0.120  0.036  0.843  1.0
  O  O34  1  0.874  0.454  0.342  1.0
  O  O35  1  0.609  0.795  0.082  1.0
  O  O36  1  0.398  0.700  0.583  1.0
  O  O37  1  0.273  0.013  0.538  1.0
  O  O38  1  0.819  0.930  0.676  1.0
  O  O39  1  0.351  0.396  0.642  1.0
  O  O40  1  0.411  0.194  0.889  1.0
  O  O41  1  0.649  0.608  0.362  1.0
  O  O42  1  0.168  0.572  0.180  1.0
  O  O43  1  0.109  0.282  0.103  1.0
  O  O44  1  0.669  0.099  0.146  1.0
  O  O45  1  0.248  0.998  0.053  1.0
  O  O46  1  0.801  0.409  0.822  1.0
  O  O47  1  0.781  0.520  0.558  1.0
  O  O48  1  0.599  0.092  0.669  1.0
  O  O49  1  0.767  0.014  0.936  1.0
  O  O50  1  0.899  0.950  0.140  1.0
  O  O51  1  0.758  0.508  0.042  1.0
[/CIF]
.
The compound described by Li2Co(PO4)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(18), one O(20), one O(29), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one Li(6)O4 trigonal pyramid, and  an edgeedge with one Li(3)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(10), one O(11), one O(16), and one O(6) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the third Li site, Li(3) is bonded to one O(11), one O(17), one O(18), and one O(29) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, and  an edgeedge with one Li(1)O4 tetrahedra. In the fourth Li site, Li(4) is bonded to one O(21), one O(27), one O(29), and one O(30) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. In the fifth Li site, Li(5) is bonded to one O(16), one O(22), one O(32), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the sixth Li site, Li(6) is bonded to one O(12), one O(25), one O(4), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. In the seventh Li site, Li(7) is bonded to one O(12), one O(17), one O(22), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the eighth Li site, Li(8) is bonded to one O(10), one O(20), one O(21), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(14), one O(19), one O(3), and one O(30) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. In the second Co site, Co(2) is bonded to one O(13), one O(15), one O(23), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the third Co site, Co(3) is bonded to one O(2), one O(27), one O(28), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. In the fourth Co site, Co(4) is bonded to one O(1), one O(24), one O(26), and one O(31) atom to form CoO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(15), one O(22), one O(28), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. In the second P site, P(2) is bonded to one O(19), one O(29), one O(4), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. In the third P site, P(3) is bonded to one O(13), one O(17), one O(2), and one O(20) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, and  a cornercorner with one Co(3)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(1), one O(12), one O(18), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. In the fifth P site, P(5) is bonded to one O(10), one O(27), one O(3), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the sixth P site, P(6) is bonded to one O(23), one O(24), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the seventh P site, P(7) is bonded to one O(11), one O(14), one O(21), and one O(26) atom to form PO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the eighth P site, P(8) is bonded to one O(16), one O(25), one O(30), and one O(31) atom to form PO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, and  a cornercorner with one Li(6)O4 trigonal pyramid. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Co(4) and one P(4) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Co(3) and one P(3) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(5) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(6), one Li(7), and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Li(5) and one P(6) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Li(8), and one P(6) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Li(6), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Li(2), one Li(8), and one P(5) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Li(2), one Li(3), and one P(7) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(6), one Li(7), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Co(2) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Co(1) and one P(7) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one P(1) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Li(2), one Li(5), and one P(8) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one Li(3), one Li(7), and one P(3) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Li(3), and one P(4) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(2) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Li(1), one Li(8), and one P(3) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one Li(4), one Li(8), and one P(7) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one Li(5), one Li(7), and one P(1) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one P(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted bent 120 degrees geometry to one Co(4) and one P(6) atom. In the twenty-fifth O site, O(25) is bonded in a bent 120 degrees geometry to one Li(6) and one P(8) atom. In the twenty-sixth O site, O(26) is bonded in a bent 120 degrees geometry to one Co(4) and one P(7) atom. In the twenty-seventh O site, O(27) is bonded in a trigonal planar geometry to one Li(4), one Co(3), and one P(5) atom. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one Co(3) and one P(1) atom. In the twenty-ninth O site, O(29) is bonded in a distorted tetrahedral geometry to one Li(1), one Li(3), one Li(4), and one P(2) atom. In the thirtieth O site, O(30) is bonded in a trigonal planar geometry to one Li(4), one Co(1), and one P(8) atom. In the thirty-first O site, O(31) is bonded in a bent 150 degrees geometry to one Co(4) and one P(8) atom. In the thirty-second O site, O(32) is bonded in a bent 120 degrees geometry to one Li(5) and one P(5) atom. is represented by the CIF file [CIF]
data_Li2Co(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.293
_cell_length_b   8.408
_cell_length_c   10.588
_cell_angle_alpha   90.151
_cell_angle_beta   90.240
_cell_angle_gamma   103.726
_symmetry_Int_Tables_number   1
_cell_volume   717.111
_cell_formula_units_Z   4
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  0.439  0.223  0.566  1.0
  Li  Li1  1  0.445  0.717  0.939  1.0
  Li  Li2  1  0.385  0.901  0.670  1.0
  Li  Li3  1  0.636  0.171  0.852  1.0
  Li  Li4  1  0.620  0.587  0.171  1.0
  Li  Li5  1  0.607  0.105  0.323  1.0
  Li  Li6  1  0.552  0.781  0.432  1.0
  Li  Li7  1  0.380  0.404  0.830  1.0
  Co  Co8  1  0.906  0.920  0.832  1.0
  Co  Co9  1  0.088  0.576  0.339  1.0
  Co  Co10  1  0.904  0.427  0.666  1.0
  Co  Co11  1  0.110  0.078  0.159  1.0
  P  P12  1  0.715  0.470  0.418  1.0
  P  P13  1  0.750  0.059  0.598  1.0
  P  P14  1  0.281  0.531  0.584  1.0
  P  P15  1  0.251  0.945  0.405  1.0
  P  P16  1  0.752  0.551  0.904  1.0
  P  P17  1  0.244  0.450  0.098  1.0
  P  P18  1  0.290  0.029  0.909  1.0
  P  P19  1  0.727  0.964  0.081  1.0
  O  O20  1  0.181  0.069  0.320  1.0
  O  O21  1  0.120  0.540  0.664  1.0
  O  O22  1  0.896  0.708  0.876  1.0
  O  O23  1  0.719  0.997  0.464  1.0
  O  O24  1  0.403  0.436  0.163  1.0
  O  O25  1  0.265  0.512  0.963  1.0
  O  O26  1  0.595  0.303  0.423  1.0
  O  O27  1  0.107  0.782  0.400  1.0
  O  O28  1  0.895  0.222  0.605  1.0
  O  O29  1  0.588  0.577  0.855  1.0
  O  O30  1  0.354  0.886  0.856  1.0
  O  O31  1  0.407  0.915  0.345  1.0
  O  O32  1  0.215  0.481  0.446  1.0
  O  O33  1  0.120  0.036  0.843  1.0
  O  O34  1  0.874  0.454  0.342  1.0
  O  O35  1  0.609  0.795  0.082  1.0
  O  O36  1  0.398  0.700  0.583  1.0
  O  O37  1  0.273  0.013  0.538  1.0
  O  O38  1  0.819  0.930  0.676  1.0
  O  O39  1  0.351  0.396  0.642  1.0
  O  O40  1  0.411  0.194  0.889  1.0
  O  O41  1  0.649  0.608  0.362  1.0
  O  O42  1  0.168  0.572  0.180  1.0
  O  O43  1  0.109  0.282  0.103  1.0
  O  O44  1  0.669  0.099  0.146  1.0
  O  O45  1  0.248  0.998  0.053  1.0
  O  O46  1  0.801  0.409  0.822  1.0
  O  O47  1  0.781  0.520  0.558  1.0
  O  O48  1  0.599  0.092  0.669  1.0
  O  O49  1  0.767  0.014  0.936  1.0
  O  O50  1  0.899  0.950  0.140  1.0
  O  O51  1  0.758  0.508  0.042  1.0
[/CIF]
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