The material described by Li2CrCo(PO4)2 is Hausmannite-derived structured and crystallizes in the monoclinic Pm space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), and one O(9) atom to form LiO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 57-70°. In the second Li site, Li(2) is bonded to one O(11), one O(12), one O(5), one O(6), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra,  an edgeedge with one P(3)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 57-69°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(2), one O(6), two equivalent O(10), and two equivalent O(12) atoms to form distorted CrO6 octahedra that share corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-70°. In the second Cr site, Cr(2) is bonded to one O(1), one O(5), two equivalent O(11), and two equivalent O(9) atoms to form distorted CrO6 octahedra that share corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-70°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(3), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-69°. In the second Co site, Co(2) is bonded to one O(4), one O(8), two equivalent O(10), and two equivalent O(12) atoms to form CoO6 octahedra that share corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-69°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), and two equivalent O(9) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-57°. In the second P site, P(2) is bonded to one O(1), one O(4), and two equivalent O(10) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-57°. In the third P site, P(3) is bonded to one O(5), one O(8), and two equivalent O(11) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fourth P site, P(4) is bonded to one O(6), one O(7), and two equivalent O(12) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to two equivalent Li(1), one Cr(2), and one P(2) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to two equivalent Li(1), one Cr(1), and one P(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one Co(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one Co(2), and one P(2) atom. In the fifth O site, O(5) is bonded to two equivalent Li(2), one Cr(2), and one P(3) atom to form distorted corner-sharing OLi2CrP trigonal pyramids. In the sixth O site, O(6) is bonded to two equivalent Li(2), one Cr(1), and one P(4) atom to form distorted corner-sharing OLi2CrP trigonal pyramids. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one Co(1), and one P(4) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one Co(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Cr(2), one Co(1), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Cr(1), one Co(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(2), one Co(1), and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(1), one Co(2), and one P(4) atom. is represented by the CIF file [CIF]
data_Li2CrCo(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.772
_cell_length_b   10.308
_cell_length_c   6.144
_cell_angle_alpha   89.999
_cell_angle_beta   90.001
_cell_angle_gamma   88.376
_symmetry_Int_Tables_number   1
_cell_volume   302.112
_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  0.001  0.000  1.000  1.0
  Li  Li1  1  0.001  0.000  0.500  1.0
  Li  Li2  1  0.501  0.500  0.999  1.0
  Li  Li3  1  0.501  0.500  0.501  1.0
  Cr  Cr4  1  0.541  0.782  0.250  1.0
  Cr  Cr5  1  0.458  0.218  0.750  1.0
  Co  Co6  1  0.981  0.283  0.250  1.0
  Co  Co7  1  0.022  0.719  0.750  1.0
  P  P8  1  0.418  0.093  0.250  1.0
  P  P9  1  0.583  0.907  0.750  1.0
  P  P10  1  0.916  0.405  0.750  1.0
  P  P11  1  0.082  0.595  0.250  1.0
  O  O12  1  0.696  0.048  0.750  1.0
  O  O13  1  0.306  0.952  0.250  1.0
  O  O14  1  0.740  0.096  0.250  1.0
  O  O15  1  0.262  0.905  0.750  1.0
  O  O16  1  0.241  0.399  0.750  1.0
  O  O17  1  0.757  0.601  0.250  1.0
  O  O18  1  0.207  0.454  0.250  1.0
  O  O19  1  0.791  0.546  0.750  1.0
  O  O20  1  0.275  0.163  0.052  1.0
  O  O21  1  0.275  0.163  0.448  1.0
  O  O22  1  0.726  0.836  0.552  1.0
  O  O23  1  0.726  0.836  0.948  1.0
  O  O24  1  0.790  0.336  0.545  1.0
  O  O25  1  0.790  0.336  0.955  1.0
  O  O26  1  0.207  0.664  0.045  1.0
  O  O27  1  0.207  0.664  0.455  1.0
[/CIF]
.
The material described by Li2CrCo(PO4)2 is Hausmannite-derived structured and crystallizes in the monoclinic Pm space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), and one O(9) atom to form LiO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 57-70°. In the second Li site, Li(2) is bonded to one O(11), one O(12), one O(5), one O(6), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra,  an edgeedge with one P(3)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 57-69°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(2), one O(6), two equivalent O(10), and two equivalent O(12) atoms to form distorted CrO6 octahedra that share corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-70°. In the second Cr site, Cr(2) is bonded to one O(1), one O(5), two equivalent O(11), and two equivalent O(9) atoms to form distorted CrO6 octahedra that share corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-70°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(3), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-69°. In the second Co site, Co(2) is bonded to one O(4), one O(8), two equivalent O(10), and two equivalent O(12) atoms to form CoO6 octahedra that share corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-69°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), and two equivalent O(9) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-57°. In the second P site, P(2) is bonded to one O(1), one O(4), and two equivalent O(10) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-57°. In the third P site, P(3) is bonded to one O(5), one O(8), and two equivalent O(11) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fourth P site, P(4) is bonded to one O(6), one O(7), and two equivalent O(12) atoms to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to two equivalent Li(1), one Cr(2), and one P(2) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to two equivalent Li(1), one Cr(1), and one P(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one Co(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one Co(2), and one P(2) atom. In the fifth O site, O(5) is bonded to two equivalent Li(2), one Cr(2), and one P(3) atom to form distorted corner-sharing OLi2CrP trigonal pyramids. In the sixth O site, O(6) is bonded to two equivalent Li(2), one Cr(1), and one P(4) atom to form distorted corner-sharing OLi2CrP trigonal pyramids. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one Co(1), and one P(4) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one Co(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Cr(2), one Co(1), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Cr(1), one Co(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(2), one Co(1), and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(1), one Co(2), and one P(4) atom. is represented by the CIF file [CIF]
data_Li2CrCo(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.772
_cell_length_b   10.308
_cell_length_c   6.144
_cell_angle_alpha   89.999
_cell_angle_beta   90.001
_cell_angle_gamma   88.376
_symmetry_Int_Tables_number   1
_cell_volume   302.112
_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  0.001  0.000  1.000  1.0
  Li  Li1  1  0.001  0.000  0.500  1.0
  Li  Li2  1  0.501  0.500  0.999  1.0
  Li  Li3  1  0.501  0.500  0.501  1.0
  Cr  Cr4  1  0.541  0.782  0.250  1.0
  Cr  Cr5  1  0.458  0.218  0.750  1.0
  Co  Co6  1  0.981  0.283  0.250  1.0
  Co  Co7  1  0.022  0.719  0.750  1.0
  P  P8  1  0.418  0.093  0.250  1.0
  P  P9  1  0.583  0.907  0.750  1.0
  P  P10  1  0.916  0.405  0.750  1.0
  P  P11  1  0.082  0.595  0.250  1.0
  O  O12  1  0.696  0.048  0.750  1.0
  O  O13  1  0.306  0.952  0.250  1.0
  O  O14  1  0.740  0.096  0.250  1.0
  O  O15  1  0.262  0.905  0.750  1.0
  O  O16  1  0.241  0.399  0.750  1.0
  O  O17  1  0.757  0.601  0.250  1.0
  O  O18  1  0.207  0.454  0.250  1.0
  O  O19  1  0.791  0.546  0.750  1.0
  O  O20  1  0.275  0.163  0.052  1.0
  O  O21  1  0.275  0.163  0.448  1.0
  O  O22  1  0.726  0.836  0.552  1.0
  O  O23  1  0.726  0.836  0.948  1.0
  O  O24  1  0.790  0.336  0.545  1.0
  O  O25  1  0.790  0.336  0.955  1.0
  O  O26  1  0.207  0.664  0.045  1.0
  O  O27  1  0.207  0.664  0.455  1.0
[/CIF]
.