The crystal structure described by LiCo2(PO4)2 crystallizes in the monoclinic Pc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(16), one O(4), one O(5), and one O(9) atom to form distorted LiO4 tetrahedra that share  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(4)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(12), one O(14), one O(15), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(16), one O(3), and one O(6) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. In the second Co site, Co(2) is bonded to one O(12), one O(13), one O(4), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. In the third Co site, Co(3) is bonded to one O(11), one O(5), one O(7), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. In the fourth Co site, Co(4) is bonded to one O(10), one O(14), one O(15), and one O(2) atom to form CoO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(15), one O(16), one O(2), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. In the second P site, P(2) is bonded to one O(3), one O(4), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and corners with two equivalent Co(1)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(11), one O(13), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and corners with two equivalent Co(3)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(1), one O(12), one O(14), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Co(2)O4 tetrahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(4) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Co(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(3), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(2), one Co(3), and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Co(3) and one P(2) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(1), one Co(2), and one P(4) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(4) and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one Co(3) and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(2), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Co(2) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(4), and one P(4) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Li(2), one Co(4), and one P(1) atom. In the sixteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Li(1), one Co(1), and one P(1) atom. is represented by the CIF file [CIF]
data_LiCo2(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.433
_cell_length_b   5.281
_cell_length_c   16.569
_cell_angle_alpha   90.000
_cell_angle_beta   105.260
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   711.861
_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  0.080  0.852  0.484  1.0
  Li  Li1  1  0.580  0.148  0.984  1.0
  Li  Li2  1  0.281  0.339  0.250  1.0
  Li  Li3  1  0.781  0.661  0.750  1.0
  Co  Co4  1  0.205  0.315  0.938  1.0
  Co  Co5  1  0.222  0.336  0.434  1.0
  Co  Co6  1  0.377  0.816  0.688  1.0
  Co  Co7  1  0.722  0.664  0.934  1.0
  Co  Co8  1  0.378  0.826  0.180  1.0
  Co  Co9  1  0.705  0.685  0.438  1.0
  Co  Co10  1  0.878  0.174  0.680  1.0
  Co  Co11  1  0.877  0.184  0.188  1.0
  P  P12  1  0.002  0.670  0.620  1.0
  P  P13  1  0.338  0.817  0.874  1.0
  P  P14  1  0.006  0.678  0.121  1.0
  P  P15  1  0.332  0.831  0.368  1.0
  P  P16  1  0.506  0.322  0.621  1.0
  P  P17  1  0.832  0.169  0.868  1.0
  P  P18  1  0.502  0.330  0.120  1.0
  P  P19  1  0.838  0.183  0.374  1.0
  O  O20  1  0.001  0.192  0.936  1.0
  O  O21  1  0.031  0.391  0.644  1.0
  O  O22  1  0.214  0.652  0.906  1.0
  O  O23  1  0.009  0.189  0.439  1.0
  O  O24  1  0.165  0.795  0.611  1.0
  O  O25  1  0.274  0.094  0.862  1.0
  O  O26  1  0.039  0.411  0.167  1.0
  O  O27  1  0.351  0.708  0.790  1.0
  O  O28  1  0.202  0.705  0.407  1.0
  O  O29  1  0.509  0.811  0.939  1.0
  O  O30  1  0.166  0.768  0.104  1.0
  O  O31  1  0.455  0.141  0.686  1.0
  O  O32  1  0.288  0.115  0.349  1.0
  O  O33  1  0.365  0.335  0.543  1.0
  O  O34  1  0.344  0.690  0.288  1.0
  O  O35  1  0.539  0.589  0.667  1.0
  O  O36  1  0.702  0.295  0.907  1.0
  O  O37  1  0.501  0.808  0.436  1.0
  O  O38  1  0.428  0.191  0.184  1.0
  O  O39  1  0.391  0.289  0.029  1.0
  O  O40  1  0.666  0.232  0.604  1.0
  O  O41  1  0.788  0.885  0.849  1.0
  O  O42  1  0.531  0.609  0.144  1.0
  O  O43  1  0.844  0.310  0.788  1.0
  O  O44  1  0.714  0.348  0.406  1.0
  O  O45  1  0.665  0.205  0.111  1.0
  O  O46  1  0.928  0.809  0.684  1.0
  O  O47  1  0.774  0.906  0.362  1.0
  O  O48  1  0.891  0.711  0.529  1.0
  O  O49  1  0.851  0.292  0.290  1.0
  O  O50  1  0.955  0.859  0.186  1.0
  O  O51  1  0.865  0.665  0.043  1.0
[/CIF]
.
The crystal structure described by LiCo2(PO4)2 crystallizes in the monoclinic Pc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(16), one O(4), one O(5), and one O(9) atom to form distorted LiO4 tetrahedra that share  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(4)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(12), one O(14), one O(15), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(16), one O(3), and one O(6) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. In the second Co site, Co(2) is bonded to one O(12), one O(13), one O(4), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. In the third Co site, Co(3) is bonded to one O(11), one O(5), one O(7), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. In the fourth Co site, Co(4) is bonded to one O(10), one O(14), one O(15), and one O(2) atom to form CoO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(15), one O(16), one O(2), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. In the second P site, P(2) is bonded to one O(3), one O(4), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and corners with two equivalent Co(1)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(11), one O(13), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and corners with two equivalent Co(3)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(1), one O(12), one O(14), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Co(2)O4 tetrahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(4) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Co(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(3), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(2), one Co(3), and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Co(3) and one P(2) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(1), one Co(2), and one P(4) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(4) and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one Co(3) and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(2), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Co(2) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(4), and one P(4) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Li(2), one Co(4), and one P(1) atom. In the sixteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Li(1), one Co(1), and one P(1) atom. is represented by the CIF file [CIF]
data_LiCo2(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.433
_cell_length_b   5.281
_cell_length_c   16.569
_cell_angle_alpha   90.000
_cell_angle_beta   105.260
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   711.861
_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  0.080  0.852  0.484  1.0
  Li  Li1  1  0.580  0.148  0.984  1.0
  Li  Li2  1  0.281  0.339  0.250  1.0
  Li  Li3  1  0.781  0.661  0.750  1.0
  Co  Co4  1  0.205  0.315  0.938  1.0
  Co  Co5  1  0.222  0.336  0.434  1.0
  Co  Co6  1  0.377  0.816  0.688  1.0
  Co  Co7  1  0.722  0.664  0.934  1.0
  Co  Co8  1  0.378  0.826  0.180  1.0
  Co  Co9  1  0.705  0.685  0.438  1.0
  Co  Co10  1  0.878  0.174  0.680  1.0
  Co  Co11  1  0.877  0.184  0.188  1.0
  P  P12  1  0.002  0.670  0.620  1.0
  P  P13  1  0.338  0.817  0.874  1.0
  P  P14  1  0.006  0.678  0.121  1.0
  P  P15  1  0.332  0.831  0.368  1.0
  P  P16  1  0.506  0.322  0.621  1.0
  P  P17  1  0.832  0.169  0.868  1.0
  P  P18  1  0.502  0.330  0.120  1.0
  P  P19  1  0.838  0.183  0.374  1.0
  O  O20  1  0.001  0.192  0.936  1.0
  O  O21  1  0.031  0.391  0.644  1.0
  O  O22  1  0.214  0.652  0.906  1.0
  O  O23  1  0.009  0.189  0.439  1.0
  O  O24  1  0.165  0.795  0.611  1.0
  O  O25  1  0.274  0.094  0.862  1.0
  O  O26  1  0.039  0.411  0.167  1.0
  O  O27  1  0.351  0.708  0.790  1.0
  O  O28  1  0.202  0.705  0.407  1.0
  O  O29  1  0.509  0.811  0.939  1.0
  O  O30  1  0.166  0.768  0.104  1.0
  O  O31  1  0.455  0.141  0.686  1.0
  O  O32  1  0.288  0.115  0.349  1.0
  O  O33  1  0.365  0.335  0.543  1.0
  O  O34  1  0.344  0.690  0.288  1.0
  O  O35  1  0.539  0.589  0.667  1.0
  O  O36  1  0.702  0.295  0.907  1.0
  O  O37  1  0.501  0.808  0.436  1.0
  O  O38  1  0.428  0.191  0.184  1.0
  O  O39  1  0.391  0.289  0.029  1.0
  O  O40  1  0.666  0.232  0.604  1.0
  O  O41  1  0.788  0.885  0.849  1.0
  O  O42  1  0.531  0.609  0.144  1.0
  O  O43  1  0.844  0.310  0.788  1.0
  O  O44  1  0.714  0.348  0.406  1.0
  O  O45  1  0.665  0.205  0.111  1.0
  O  O46  1  0.928  0.809  0.684  1.0
  O  O47  1  0.774  0.906  0.362  1.0
  O  O48  1  0.891  0.711  0.529  1.0
  O  O49  1  0.851  0.292  0.290  1.0
  O  O50  1  0.955  0.859  0.186  1.0
  O  O51  1  0.865  0.665  0.043  1.0
[/CIF]
.