The structure described by Li2CrNiO4 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(7), one O(8), and two equivalent O(5) atoms to form distorted LiO5 square pyramids that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-90°. In the second Li site, Li(2) is bonded to one O(4), one O(7), one O(8), and two equivalent O(6) atoms to form distorted LiO5 square pyramids that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-89°. In the third Li site, Li(3) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(2)O5 square pyramid, and edges with two equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 1-13°. In the fourth Li site, Li(4) is bonded to one O(3), one O(4), one O(6), one O(8), and two equivalent O(1) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid, corners with two equivalent Li(2)O5 square pyramids,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Cr(1)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 1-22°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(8) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, edges with three equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 3-8°. In the second Cr site, Cr(2) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(7) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 3-10°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(2), one O(6), one O(7), and two equivalent O(4) atoms to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 1-14°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(5), one O(8), and two equivalent O(3) atoms to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid, corners with two equivalent Li(1)O5 square pyramids,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Cr(1)O6 octahedra, and  an edgeedge with one Li(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 1-16°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Li(4), one Cr(1), one Ni(1), and one Ni(2) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(3), one Cr(2), one Ni(1), and one Ni(2) atom to form OLi3CrNi2 octahedra that share  a cornercorner with one O(4)Li3CrNi2 octahedra, corners with two equivalent O(2)Li3CrNi2 octahedra,  an edgeedge with one O(6)Li3Cr2Ni octahedra,  an edgeedge with one O(8)Li3Cr2Ni octahedra, edges with two equivalent O(4)Li3CrNi2 octahedra, edges with three equivalent O(5)Li3Cr2Ni octahedra, edges with three equivalent O(7)Li3Cr2Ni octahedra, and edges with two equivalent O(3)Li2CrNi2 square pyramids. The corner-sharing octahedral tilt angles range from 1-13°. In the third O site, O(3) is bonded to one Li(3), one Li(4), one Cr(1), and two equivalent Ni(2) atoms to form distorted OLi2CrNi2 square pyramids that share  a cornercorner with one O(7)Li3Cr2Ni octahedra,  a cornercorner with one O(8)Li3Cr2Ni octahedra, corners with two equivalent O(5)Li3Cr2Ni octahedra, corners with two equivalent O(4)Li3CrNi2 octahedra, corners with two equivalent O(3)Li2CrNi2 square pyramids,  an edgeedge with one O(5)Li3Cr2Ni octahedra,  an edgeedge with one O(6)Li3Cr2Ni octahedra, edges with two equivalent O(8)Li3Cr2Ni octahedra, and edges with two equivalent O(2)Li3CrNi2 octahedra. The corner-sharing octahedral tilt angles range from 5-86°. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Li(4), one Cr(2), and two equivalent Ni(1) atoms to form OLi3CrNi2 octahedra that share  a cornercorner with one O(2)Li3CrNi2 octahedra, corners with two equivalent O(4)Li3CrNi2 octahedra, corners with two equivalent O(3)Li2CrNi2 square pyramids,  an edgeedge with one O(5)Li3Cr2Ni octahedra,  an edgeedge with one O(8)Li3Cr2Ni octahedra, edges with two equivalent O(2)Li3CrNi2 octahedra, edges with three equivalent O(6)Li3Cr2Ni octahedra, and edges with three equivalent O(7)Li3Cr2Ni octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(1), one Cr(1), one Cr(2), and one Ni(2) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(7)Li3Cr2Ni octahedra,  a cornercorner with one O(8)Li3Cr2Ni octahedra, corners with two equivalent O(5)Li3Cr2Ni octahedra, corners with two equivalent O(6)Li3Cr2Ni octahedra, corners with two equivalent O(3)Li2CrNi2 square pyramids,  an edgeedge with one O(4)Li3CrNi2 octahedra, edges with two equivalent O(7)Li3Cr2Ni octahedra, edges with two equivalent O(8)Li3Cr2Ni octahedra, edges with three equivalent O(2)Li3CrNi2 octahedra, and  an edgeedge with one O(3)Li2CrNi2 square pyramid. The corner-sharing octahedral tilt angles range from 0-15°. In the sixth O site, O(6) is bonded to one Li(4), two equivalent Li(2), one Cr(1), one Cr(2), and one Ni(1) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(7)Li3Cr2Ni octahedra,  a cornercorner with one O(8)Li3Cr2Ni octahedra, corners with two equivalent O(5)Li3Cr2Ni octahedra, corners with two equivalent O(6)Li3Cr2Ni octahedra,  an edgeedge with one O(2)Li3CrNi2 octahedra, edges with two equivalent O(7)Li3Cr2Ni octahedra, edges with two equivalent O(8)Li3Cr2Ni octahedra, edges with three equivalent O(4)Li3CrNi2 octahedra, and  an edgeedge with one O(3)Li2CrNi2 square pyramid. The corner-sharing octahedral tilt angles range from 0-5°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Li(3), two equivalent Cr(2), and one Ni(1) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(5)Li3Cr2Ni octahedra,  a cornercorner with one O(6)Li3Cr2Ni octahedra, corners with two equivalent O(7)Li3Cr2Ni octahedra, corners with two equivalent O(8)Li3Cr2Ni octahedra,  a cornercorner with one O(3)Li2CrNi2 square pyramid, edges with two equivalent O(5)Li3Cr2Ni octahedra, edges with two equivalent O(6)Li3Cr2Ni octahedra, edges with three equivalent O(2)Li3CrNi2 octahedra, and edges with three equivalent O(4)Li3CrNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-17°. In the eighth O site, O(8) is bonded to one Li(1), one Li(2), one Li(4), two equivalent Cr(1), and one Ni(2) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(5)Li3Cr2Ni octahedra,  a cornercorner with one O(6)Li3Cr2Ni octahedra, corners with two equivalent O(7)Li3Cr2Ni octahedra, corners with two equivalent O(8)Li3Cr2Ni octahedra,  a cornercorner with one O(3)Li2CrNi2 square pyramid,  an edgeedge with one O(2)Li3CrNi2 octahedra,  an edgeedge with one O(4)Li3CrNi2 octahedra, edges with two equivalent O(5)Li3Cr2Ni octahedra, edges with two equivalent O(6)Li3Cr2Ni octahedra, and edges with two equivalent O(3)Li2CrNi2 square pyramids. The corner-sharing octahedral tilt angles range from 0-17°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2CrNiO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.007
_cell_length_b   7.784
_cell_length_c   5.190
_cell_angle_alpha   93.060
_cell_angle_beta   112.712
_cell_angle_gamma   104.916
_symmetry_Int_Tables_number   1
_cell_volume   142.163
_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  0.635  0.862  0.407  1.0
  Li  Li1  1  0.117  0.386  0.848  1.0
  Li  Li2  1  0.248  0.754  0.742  1.0
  Li  Li3  1  0.743  0.256  0.231  1.0
  Cr  Cr4  1  0.373  0.125  0.619  1.0
  Cr  Cr5  1  0.876  0.627  0.125  1.0
  Ni  Ni6  1  0.501  0.501  0.501  1.0
  Ni  Ni7  1  0.001  0.997  0.005  1.0
  O  O8  1  0.263  0.231  0.295  1.0
  O  O9  1  0.764  0.743  0.785  1.0
  O  O10  1  0.488  0.017  0.959  1.0
  O  O11  1  0.988  0.506  0.470  1.0
  O  O12  1  0.123  0.882  0.365  1.0
  O  O13  1  0.615  0.379  0.850  1.0
  O  O14  1  0.384  0.615  0.153  1.0
  O  O15  1  0.882  0.119  0.646  1.0
[/CIF]
.
The structure described by Li2CrNiO4 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(7), one O(8), and two equivalent O(5) atoms to form distorted LiO5 square pyramids that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-90°. In the second Li site, Li(2) is bonded to one O(4), one O(7), one O(8), and two equivalent O(6) atoms to form distorted LiO5 square pyramids that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-89°. In the third Li site, Li(3) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(2)O5 square pyramid, and edges with two equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 1-13°. In the fourth Li site, Li(4) is bonded to one O(3), one O(4), one O(6), one O(8), and two equivalent O(1) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid, corners with two equivalent Li(2)O5 square pyramids,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Cr(1)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 1-22°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(8) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, edges with three equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 3-8°. In the second Cr site, Cr(2) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(7) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 3-10°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(2), one O(6), one O(7), and two equivalent O(4) atoms to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 1-14°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(5), one O(8), and two equivalent O(3) atoms to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid, corners with two equivalent Li(1)O5 square pyramids,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Cr(1)O6 octahedra, and  an edgeedge with one Li(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 1-16°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Li(4), one Cr(1), one Ni(1), and one Ni(2) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(3), one Cr(2), one Ni(1), and one Ni(2) atom to form OLi3CrNi2 octahedra that share  a cornercorner with one O(4)Li3CrNi2 octahedra, corners with two equivalent O(2)Li3CrNi2 octahedra,  an edgeedge with one O(6)Li3Cr2Ni octahedra,  an edgeedge with one O(8)Li3Cr2Ni octahedra, edges with two equivalent O(4)Li3CrNi2 octahedra, edges with three equivalent O(5)Li3Cr2Ni octahedra, edges with three equivalent O(7)Li3Cr2Ni octahedra, and edges with two equivalent O(3)Li2CrNi2 square pyramids. The corner-sharing octahedral tilt angles range from 1-13°. In the third O site, O(3) is bonded to one Li(3), one Li(4), one Cr(1), and two equivalent Ni(2) atoms to form distorted OLi2CrNi2 square pyramids that share  a cornercorner with one O(7)Li3Cr2Ni octahedra,  a cornercorner with one O(8)Li3Cr2Ni octahedra, corners with two equivalent O(5)Li3Cr2Ni octahedra, corners with two equivalent O(4)Li3CrNi2 octahedra, corners with two equivalent O(3)Li2CrNi2 square pyramids,  an edgeedge with one O(5)Li3Cr2Ni octahedra,  an edgeedge with one O(6)Li3Cr2Ni octahedra, edges with two equivalent O(8)Li3Cr2Ni octahedra, and edges with two equivalent O(2)Li3CrNi2 octahedra. The corner-sharing octahedral tilt angles range from 5-86°. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Li(4), one Cr(2), and two equivalent Ni(1) atoms to form OLi3CrNi2 octahedra that share  a cornercorner with one O(2)Li3CrNi2 octahedra, corners with two equivalent O(4)Li3CrNi2 octahedra, corners with two equivalent O(3)Li2CrNi2 square pyramids,  an edgeedge with one O(5)Li3Cr2Ni octahedra,  an edgeedge with one O(8)Li3Cr2Ni octahedra, edges with two equivalent O(2)Li3CrNi2 octahedra, edges with three equivalent O(6)Li3Cr2Ni octahedra, and edges with three equivalent O(7)Li3Cr2Ni octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(1), one Cr(1), one Cr(2), and one Ni(2) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(7)Li3Cr2Ni octahedra,  a cornercorner with one O(8)Li3Cr2Ni octahedra, corners with two equivalent O(5)Li3Cr2Ni octahedra, corners with two equivalent O(6)Li3Cr2Ni octahedra, corners with two equivalent O(3)Li2CrNi2 square pyramids,  an edgeedge with one O(4)Li3CrNi2 octahedra, edges with two equivalent O(7)Li3Cr2Ni octahedra, edges with two equivalent O(8)Li3Cr2Ni octahedra, edges with three equivalent O(2)Li3CrNi2 octahedra, and  an edgeedge with one O(3)Li2CrNi2 square pyramid. The corner-sharing octahedral tilt angles range from 0-15°. In the sixth O site, O(6) is bonded to one Li(4), two equivalent Li(2), one Cr(1), one Cr(2), and one Ni(1) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(7)Li3Cr2Ni octahedra,  a cornercorner with one O(8)Li3Cr2Ni octahedra, corners with two equivalent O(5)Li3Cr2Ni octahedra, corners with two equivalent O(6)Li3Cr2Ni octahedra,  an edgeedge with one O(2)Li3CrNi2 octahedra, edges with two equivalent O(7)Li3Cr2Ni octahedra, edges with two equivalent O(8)Li3Cr2Ni octahedra, edges with three equivalent O(4)Li3CrNi2 octahedra, and  an edgeedge with one O(3)Li2CrNi2 square pyramid. The corner-sharing octahedral tilt angles range from 0-5°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Li(3), two equivalent Cr(2), and one Ni(1) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(5)Li3Cr2Ni octahedra,  a cornercorner with one O(6)Li3Cr2Ni octahedra, corners with two equivalent O(7)Li3Cr2Ni octahedra, corners with two equivalent O(8)Li3Cr2Ni octahedra,  a cornercorner with one O(3)Li2CrNi2 square pyramid, edges with two equivalent O(5)Li3Cr2Ni octahedra, edges with two equivalent O(6)Li3Cr2Ni octahedra, edges with three equivalent O(2)Li3CrNi2 octahedra, and edges with three equivalent O(4)Li3CrNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-17°. In the eighth O site, O(8) is bonded to one Li(1), one Li(2), one Li(4), two equivalent Cr(1), and one Ni(2) atom to form OLi3Cr2Ni octahedra that share  a cornercorner with one O(5)Li3Cr2Ni octahedra,  a cornercorner with one O(6)Li3Cr2Ni octahedra, corners with two equivalent O(7)Li3Cr2Ni octahedra, corners with two equivalent O(8)Li3Cr2Ni octahedra,  a cornercorner with one O(3)Li2CrNi2 square pyramid,  an edgeedge with one O(2)Li3CrNi2 octahedra,  an edgeedge with one O(4)Li3CrNi2 octahedra, edges with two equivalent O(5)Li3Cr2Ni octahedra, edges with two equivalent O(6)Li3Cr2Ni octahedra, and edges with two equivalent O(3)Li2CrNi2 square pyramids. The corner-sharing octahedral tilt angles range from 0-17°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2CrNiO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.007
_cell_length_b   7.784
_cell_length_c   5.190
_cell_angle_alpha   93.060
_cell_angle_beta   112.712
_cell_angle_gamma   104.916
_symmetry_Int_Tables_number   1
_cell_volume   142.163
_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  0.635  0.862  0.407  1.0
  Li  Li1  1  0.117  0.386  0.848  1.0
  Li  Li2  1  0.248  0.754  0.742  1.0
  Li  Li3  1  0.743  0.256  0.231  1.0
  Cr  Cr4  1  0.373  0.125  0.619  1.0
  Cr  Cr5  1  0.876  0.627  0.125  1.0
  Ni  Ni6  1  0.501  0.501  0.501  1.0
  Ni  Ni7  1  0.001  0.997  0.005  1.0
  O  O8  1  0.263  0.231  0.295  1.0
  O  O9  1  0.764  0.743  0.785  1.0
  O  O10  1  0.488  0.017  0.959  1.0
  O  O11  1  0.988  0.506  0.470  1.0
  O  O12  1  0.123  0.882  0.365  1.0
  O  O13  1  0.615  0.379  0.850  1.0
  O  O14  1  0.384  0.615  0.153  1.0
  O  O15  1  0.882  0.119  0.646  1.0
[/CIF]
.