The material structure described by LiCo2(PO4)2 crystallizes in the triclinic P1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(12), and one O(16) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(15), one O(3), and one O(7) atom. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(3), one O(5), and one O(9) atom to form CoO4 tetrahedra that share  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 second Co site, Co(2) is bonded to one O(11), one O(13), one O(16), one O(4), and one O(7) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. In the third Co site, Co(3) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(13), one O(4), and one O(6) atom. In the fourth Co site, Co(4) is bonded to one O(12), one O(14), one O(15), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. In the second P site, P(2) is bonded to one O(15), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. In the third P site, P(3) is bonded to one O(10), one O(12), one O(2), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and corners with two equivalent Co(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(13), one O(14), and one O(16) atom to form PO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and  an edgeedge with one Co(2)O5 trigonal bipyramid. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Li(1), one Co(3), and one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one P(3) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(2), one Co(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Co(2), one Co(3), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Co(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Co(3) and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(4) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(3) and one P(3) atom. In the eleventh O site, O(11) is bonded in a T-shaped geometry to one Li(1), one Co(2), and one P(4) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(1), one Co(4), and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Co(2), one Co(3), and one P(4) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to 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(2) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Co(2), and one P(4) atom. is represented by the CIF file [CIF]
data_LiCo2(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.266
_cell_length_b   7.923
_cell_length_c   8.775
_cell_angle_alpha   87.628
_cell_angle_beta   86.988
_cell_angle_gamma   79.519
_symmetry_Int_Tables_number   1
_cell_volume   359.311
_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  0.883  0.026  0.356  1.0
  Li  Li1  1  0.176  0.448  0.772  1.0
  Co  Co2  1  0.757  0.811  0.902  1.0
  Co  Co3  1  0.682  0.322  0.557  1.0
  Co  Co4  1  0.306  0.682  0.441  1.0
  Co  Co5  1  0.241  0.203  0.090  1.0
  P  P6  1  0.762  0.713  0.570  1.0
  P  P7  1  0.764  0.213  0.897  1.0
  P  P8  1  0.237  0.796  0.102  1.0
  P  P9  1  0.238  0.283  0.436  1.0
  O  O10  1  0.942  0.805  0.466  1.0
  O  O11  1  0.989  0.734  0.052  1.0
  O  O12  1  0.878  0.668  0.731  1.0
  O  O13  1  0.747  0.538  0.495  1.0
  O  O14  1  0.824  0.027  0.839  1.0
  O  O15  1  0.485  0.811  0.580  1.0
  O  O16  1  0.600  0.327  0.772  1.0
  O  O17  1  0.604  0.224  0.048  1.0
  O  O18  1  0.415  0.804  0.955  1.0
  O  O19  1  0.371  0.670  0.221  1.0
  O  O20  1  0.523  0.174  0.439  1.0
  O  O21  1  0.153  0.979  0.167  1.0
  O  O22  1  0.275  0.439  0.534  1.0
  O  O23  1  0.156  0.334  0.275  1.0
  O  O24  1  0.021  0.281  0.910  1.0
  O  O25  1  0.036  0.188  0.521  1.0
[/CIF]
.
The material structure described by LiCo2(PO4)2 crystallizes in the triclinic P1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(12), and one O(16) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(15), one O(3), and one O(7) atom. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(3), one O(5), and one O(9) atom to form CoO4 tetrahedra that share  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 second Co site, Co(2) is bonded to one O(11), one O(13), one O(16), one O(4), and one O(7) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. In the third Co site, Co(3) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(13), one O(4), and one O(6) atom. In the fourth Co site, Co(4) is bonded to one O(12), one O(14), one O(15), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(1)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. In the second P site, P(2) is bonded to one O(15), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. In the third P site, P(3) is bonded to one O(10), one O(12), one O(2), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, and corners with two equivalent Co(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(13), one O(14), and one O(16) atom to form PO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and  an edgeedge with one Co(2)O5 trigonal bipyramid. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Li(1), one Co(3), and one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one P(3) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(2), one Co(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Co(2), one Co(3), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Co(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Co(3) and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(4) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(3) and one P(3) atom. In the eleventh O site, O(11) is bonded in a T-shaped geometry to one Li(1), one Co(2), and one P(4) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(1), one Co(4), and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Co(2), one Co(3), and one P(4) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to 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(2) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Co(2), and one P(4) atom. is represented by the CIF file [CIF]
data_LiCo2(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.266
_cell_length_b   7.923
_cell_length_c   8.775
_cell_angle_alpha   87.628
_cell_angle_beta   86.988
_cell_angle_gamma   79.519
_symmetry_Int_Tables_number   1
_cell_volume   359.311
_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  0.883  0.026  0.356  1.0
  Li  Li1  1  0.176  0.448  0.772  1.0
  Co  Co2  1  0.757  0.811  0.902  1.0
  Co  Co3  1  0.682  0.322  0.557  1.0
  Co  Co4  1  0.306  0.682  0.441  1.0
  Co  Co5  1  0.241  0.203  0.090  1.0
  P  P6  1  0.762  0.713  0.570  1.0
  P  P7  1  0.764  0.213  0.897  1.0
  P  P8  1  0.237  0.796  0.102  1.0
  P  P9  1  0.238  0.283  0.436  1.0
  O  O10  1  0.942  0.805  0.466  1.0
  O  O11  1  0.989  0.734  0.052  1.0
  O  O12  1  0.878  0.668  0.731  1.0
  O  O13  1  0.747  0.538  0.495  1.0
  O  O14  1  0.824  0.027  0.839  1.0
  O  O15  1  0.485  0.811  0.580  1.0
  O  O16  1  0.600  0.327  0.772  1.0
  O  O17  1  0.604  0.224  0.048  1.0
  O  O18  1  0.415  0.804  0.955  1.0
  O  O19  1  0.371  0.670  0.221  1.0
  O  O20  1  0.523  0.174  0.439  1.0
  O  O21  1  0.153  0.979  0.167  1.0
  O  O22  1  0.275  0.439  0.534  1.0
  O  O23  1  0.156  0.334  0.275  1.0
  O  O24  1  0.021  0.281  0.910  1.0
  O  O25  1  0.036  0.188  0.521  1.0
[/CIF]
.