The material structure described by Li5Ni5Cu2O12 is Caswellsilverite-derived structured and crystallizes in the monoclinic C2 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-16°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-17°. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(4)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-17°. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(3)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-14°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the third Ni site, Ni(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-15°. In the fourth Ni site, Ni(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-16°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form distorted CuO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-6°. In the second Cu site, Cu(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted CuO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are six inequivalent O sites. In the first O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Ni(2), one Ni(4), and one Cu(1) atom to form distorted OLi3CuNi2 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(1)Li3CuNi2 octahedra, and edges with four equivalent O(3)Li3CuNi2 octahedra. The corner-sharing octahedral tilt angles range from 2-11°. In the second O site, O(6) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), one Ni(3), and one Cu(2) atom to form OLi2CuNi3 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(2)Li2CuNi3 octahedra, and edges with four equivalent O(4)Li2CuNi3 octahedra. The corner-sharing octahedral tilt angles range from 1-11°. In the third O site, O(1) is bonded to one Li(1), one Li(2), one Li(3), one Ni(2), one Ni(4), and one Cu(1) atom to form OLi3CuNi2 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra, edges with four equivalent O(3)Li3CuNi2 octahedra, and edges with four equivalent O(5)Li3CuNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. In the fourth O site, O(2) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), one Ni(3), and one Cu(2) atom to form distorted OLi2CuNi3 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(4)Li2CuNi3 octahedra, and edges with four equivalent O(6)Li2CuNi3 octahedra. The corner-sharing octahedral tilt angles range from 1-11°. In the fifth O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Ni(2), one Ni(4), and one Cu(1) atom to form OLi3CuNi2 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra, edges with four equivalent O(1)Li3CuNi2 octahedra, and edges with four equivalent O(5)Li3CuNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. In the sixth O site, O(4) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), one Ni(3), and one Cu(2) atom to form OLi2CuNi3 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(2)Li2CuNi3 octahedra, and edges with four equivalent O(6)Li2CuNi3 octahedra. The corner-sharing octahedral tilt angles range from 2-11°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Cu2Ni5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.044
_cell_length_b   5.044
_cell_length_c   9.634
_cell_angle_alpha   86.172
_cell_angle_beta   86.172
_cell_angle_gamma   117.383
_symmetry_Int_Tables_number   1
_cell_volume   215.863
_cell_formula_units_Z   1
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  0.837  0.653  0.256  1.0
  Li  Li1  1  0.661  0.841  0.746  1.0
  Li  Li2  1  0.347  0.163  0.744  1.0
  Li  Li3  1  0.159  0.339  0.254  1.0
  Li  Li4  1  0.080  0.920  0.500  1.0
  Cu  Cu5  1  0.740  0.260  0.500  1.0
  Cu  Cu6  1  0.256  0.744  0.000  1.0
  Ni  Ni7  1  0.919  0.081  0.000  1.0
  Ni  Ni8  1  0.001  0.498  0.747  1.0
  Ni  Ni9  1  0.502  0.999  0.253  1.0
  Ni  Ni10  1  0.592  0.408  0.000  1.0
  Ni  Ni11  1  0.410  0.590  0.500  1.0
  O  O12  1  0.015  0.228  0.614  1.0
  O  O13  1  0.772  0.985  0.386  1.0
  O  O14  1  0.831  0.323  0.141  1.0
  O  O15  1  0.677  0.169  0.859  1.0
  O  O16  1  0.682  0.523  0.613  1.0
  O  O17  1  0.477  0.318  0.387  1.0
  O  O18  1  0.537  0.716  0.111  1.0
  O  O19  1  0.284  0.463  0.889  1.0
  O  O20  1  0.329  0.815  0.632  1.0
  O  O21  1  0.185  0.671  0.368  1.0
  O  O22  1  0.225  0.018  0.116  1.0
  O  O23  1  0.982  0.775  0.884  1.0
[/CIF]
.
The material structure described by Li5Ni5Cu2O12 is Caswellsilverite-derived structured and crystallizes in the monoclinic C2 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-16°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-17°. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(4)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-17°. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(3)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-14°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the third Ni site, Ni(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-15°. In the fourth Ni site, Ni(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-16°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form distorted CuO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-6°. In the second Cu site, Cu(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted CuO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are six inequivalent O sites. In the first O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Ni(2), one Ni(4), and one Cu(1) atom to form distorted OLi3CuNi2 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(1)Li3CuNi2 octahedra, and edges with four equivalent O(3)Li3CuNi2 octahedra. The corner-sharing octahedral tilt angles range from 2-11°. In the second O site, O(6) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), one Ni(3), and one Cu(2) atom to form OLi2CuNi3 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(2)Li2CuNi3 octahedra, and edges with four equivalent O(4)Li2CuNi3 octahedra. The corner-sharing octahedral tilt angles range from 1-11°. In the third O site, O(1) is bonded to one Li(1), one Li(2), one Li(3), one Ni(2), one Ni(4), and one Cu(1) atom to form OLi3CuNi2 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra, edges with four equivalent O(3)Li3CuNi2 octahedra, and edges with four equivalent O(5)Li3CuNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. In the fourth O site, O(2) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), one Ni(3), and one Cu(2) atom to form distorted OLi2CuNi3 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(4)Li2CuNi3 octahedra, and edges with four equivalent O(6)Li2CuNi3 octahedra. The corner-sharing octahedral tilt angles range from 1-11°. In the fifth O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Ni(2), one Ni(4), and one Cu(1) atom to form OLi3CuNi2 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(2)Li2CuNi3 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(6)Li2CuNi3 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra, edges with four equivalent O(1)Li3CuNi2 octahedra, and edges with four equivalent O(5)Li3CuNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. In the sixth O site, O(4) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), one Ni(3), and one Cu(2) atom to form OLi2CuNi3 octahedra that share  a cornercorner with one O(2)Li2CuNi3 octahedra,  a cornercorner with one O(4)Li2CuNi3 octahedra,  a cornercorner with one O(6)Li2CuNi3 octahedra,  a cornercorner with one O(1)Li3CuNi2 octahedra,  a cornercorner with one O(3)Li3CuNi2 octahedra,  a cornercorner with one O(5)Li3CuNi2 octahedra,  an edgeedge with one O(4)Li2CuNi3 octahedra,  an edgeedge with one O(1)Li3CuNi2 octahedra,  an edgeedge with one O(3)Li3CuNi2 octahedra,  an edgeedge with one O(5)Li3CuNi2 octahedra, edges with four equivalent O(2)Li2CuNi3 octahedra, and edges with four equivalent O(6)Li2CuNi3 octahedra. The corner-sharing octahedral tilt angles range from 2-11°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Cu2Ni5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.044
_cell_length_b   5.044
_cell_length_c   9.634
_cell_angle_alpha   86.172
_cell_angle_beta   86.172
_cell_angle_gamma   117.383
_symmetry_Int_Tables_number   1
_cell_volume   215.863
_cell_formula_units_Z   1
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  0.837  0.653  0.256  1.0
  Li  Li1  1  0.661  0.841  0.746  1.0
  Li  Li2  1  0.347  0.163  0.744  1.0
  Li  Li3  1  0.159  0.339  0.254  1.0
  Li  Li4  1  0.080  0.920  0.500  1.0
  Cu  Cu5  1  0.740  0.260  0.500  1.0
  Cu  Cu6  1  0.256  0.744  0.000  1.0
  Ni  Ni7  1  0.919  0.081  0.000  1.0
  Ni  Ni8  1  0.001  0.498  0.747  1.0
  Ni  Ni9  1  0.502  0.999  0.253  1.0
  Ni  Ni10  1  0.592  0.408  0.000  1.0
  Ni  Ni11  1  0.410  0.590  0.500  1.0
  O  O12  1  0.015  0.228  0.614  1.0
  O  O13  1  0.772  0.985  0.386  1.0
  O  O14  1  0.831  0.323  0.141  1.0
  O  O15  1  0.677  0.169  0.859  1.0
  O  O16  1  0.682  0.523  0.613  1.0
  O  O17  1  0.477  0.318  0.387  1.0
  O  O18  1  0.537  0.716  0.111  1.0
  O  O19  1  0.284  0.463  0.889  1.0
  O  O20  1  0.329  0.815  0.632  1.0
  O  O21  1  0.185  0.671  0.368  1.0
  O  O22  1  0.225  0.018  0.116  1.0
  O  O23  1  0.982  0.775  0.884  1.0
[/CIF]
.