The structure described by Li5Fe5(CuO6)2 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 distorted LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(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 Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-16°. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. 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 Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(4)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(3)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-11°. In the second Fe site, Fe(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 FeO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(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 Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-11°. In the fourth Fe site, Fe(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(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 4-16°. 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 Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. 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 CuO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. 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 Fe(2), one Fe(4), and one Cu(1) atom to form distorted OLi3Fe2Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(1)Li3Fe2Cu octahedra, and edges with four equivalent O(3)Li3Fe2Cu octahedra. The corner-sharing octahedral tilt angles range from 3-18°. In the second O site, O(6) is bonded to one Li(1), one Li(2), one Fe(1), one Fe(2), one Fe(3), and one Cu(2) atom to form OLi2Fe3Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(2)Li2Fe3Cu octahedra, and edges with four equivalent O(4)Li2Fe3Cu octahedra. The corner-sharing octahedral tilt angles range from 1-18°. In the third O site, O(1) is bonded to one Li(1), one Li(2), one Li(3), one Fe(2), one Fe(4), and one Cu(1) atom to form OLi3Fe2Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra, edges with four equivalent O(3)Li3Fe2Cu octahedra, and edges with four equivalent O(5)Li3Fe2Cu octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the fourth O site, O(2) is bonded to one Li(1), one Li(2), one Fe(1), one Fe(2), one Fe(3), and one Cu(2) atom to form OLi2Fe3Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(4)Li2Fe3Cu octahedra, and edges with four equivalent O(6)Li2Fe3Cu octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the fifth O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Fe(2), one Fe(4), and one Cu(1) atom to form OLi3Fe2Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra, edges with four equivalent O(1)Li3Fe2Cu octahedra, and edges with four equivalent O(5)Li3Fe2Cu octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the sixth O site, O(4) is bonded to one Li(1), one Li(2), one Fe(1), one Fe(2), one Fe(3), and one Cu(2) atom to form distorted OLi2Fe3Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(2)Li2Fe3Cu octahedra, and edges with four equivalent O(6)Li2Fe3Cu octahedra. The corner-sharing octahedral tilt angles range from 1-16°. is represented by the CIF card [CIF]
data_Li5Fe5(CuO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.145
_cell_length_b   5.145
_cell_length_c   9.792
_cell_angle_alpha   86.782
_cell_angle_beta   86.782
_cell_angle_gamma   116.829
_symmetry_Int_Tables_number   1
_cell_volume   229.993
_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  0.836  0.651  0.264  1.0
  Li  Li1  1  0.679  0.858  0.737  1.0
  Li  Li2  1  0.349  0.164  0.736  1.0
  Li  Li3  1  0.142  0.321  0.263  1.0
  Li  Li4  1  0.081  0.919  0.500  1.0
  Fe  Fe5  1  0.917  0.083  0.000  1.0
  Fe  Fe6  1  0.001  0.507  0.740  1.0
  Fe  Fe7  1  0.493  0.999  0.260  1.0
  Fe  Fe8  1  0.583  0.417  0.000  1.0
  Fe  Fe9  1  0.416  0.584  0.500  1.0
  Cu  Cu10  1  0.750  0.250  0.500  1.0
  Cu  Cu11  1  0.251  0.749  0.000  1.0
  O  O12  1  0.051  0.233  0.617  1.0
  O  O13  1  0.767  0.949  0.383  1.0
  O  O14  1  0.833  0.333  0.131  1.0
  O  O15  1  0.667  0.167  0.869  1.0
  O  O16  1  0.703  0.532  0.622  1.0
  O  O17  1  0.468  0.297  0.378  1.0
  O  O18  1  0.562  0.733  0.111  1.0
  O  O19  1  0.267  0.438  0.889  1.0
  O  O20  1  0.343  0.829  0.637  1.0
  O  O21  1  0.171  0.657  0.363  1.0
  O  O22  1  0.230  0.058  0.113  1.0
  O  O23  1  0.942  0.770  0.887  1.0
[/CIF]
.
The structure described by Li5Fe5(CuO6)2 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 distorted LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(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 Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-16°. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. 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 Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(4)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(3)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-11°. In the second Fe site, Fe(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 FeO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(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 Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-11°. In the fourth Fe site, Fe(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(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 4-16°. 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 Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. 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 CuO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. 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 Fe(2), one Fe(4), and one Cu(1) atom to form distorted OLi3Fe2Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(1)Li3Fe2Cu octahedra, and edges with four equivalent O(3)Li3Fe2Cu octahedra. The corner-sharing octahedral tilt angles range from 3-18°. In the second O site, O(6) is bonded to one Li(1), one Li(2), one Fe(1), one Fe(2), one Fe(3), and one Cu(2) atom to form OLi2Fe3Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(2)Li2Fe3Cu octahedra, and edges with four equivalent O(4)Li2Fe3Cu octahedra. The corner-sharing octahedral tilt angles range from 1-18°. In the third O site, O(1) is bonded to one Li(1), one Li(2), one Li(3), one Fe(2), one Fe(4), and one Cu(1) atom to form OLi3Fe2Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra, edges with four equivalent O(3)Li3Fe2Cu octahedra, and edges with four equivalent O(5)Li3Fe2Cu octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the fourth O site, O(2) is bonded to one Li(1), one Li(2), one Fe(1), one Fe(2), one Fe(3), and one Cu(2) atom to form OLi2Fe3Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(4)Li2Fe3Cu octahedra, and edges with four equivalent O(6)Li2Fe3Cu octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the fifth O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Fe(2), one Fe(4), and one Cu(1) atom to form OLi3Fe2Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(2)Li2Fe3Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(6)Li2Fe3Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra, edges with four equivalent O(1)Li3Fe2Cu octahedra, and edges with four equivalent O(5)Li3Fe2Cu octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the sixth O site, O(4) is bonded to one Li(1), one Li(2), one Fe(1), one Fe(2), one Fe(3), and one Cu(2) atom to form distorted OLi2Fe3Cu octahedra that share  a cornercorner with one O(2)Li2Fe3Cu octahedra,  a cornercorner with one O(4)Li2Fe3Cu octahedra,  a cornercorner with one O(6)Li2Fe3Cu octahedra,  a cornercorner with one O(1)Li3Fe2Cu octahedra,  a cornercorner with one O(3)Li3Fe2Cu octahedra,  a cornercorner with one O(5)Li3Fe2Cu octahedra,  an edgeedge with one O(4)Li2Fe3Cu octahedra,  an edgeedge with one O(1)Li3Fe2Cu octahedra,  an edgeedge with one O(3)Li3Fe2Cu octahedra,  an edgeedge with one O(5)Li3Fe2Cu octahedra, edges with four equivalent O(2)Li2Fe3Cu octahedra, and edges with four equivalent O(6)Li2Fe3Cu octahedra. The corner-sharing octahedral tilt angles range from 1-16°. is represented by the CIF card [CIF]
data_Li5Fe5(CuO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.145
_cell_length_b   5.145
_cell_length_c   9.792
_cell_angle_alpha   86.782
_cell_angle_beta   86.782
_cell_angle_gamma   116.829
_symmetry_Int_Tables_number   1
_cell_volume   229.993
_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  0.836  0.651  0.264  1.0
  Li  Li1  1  0.679  0.858  0.737  1.0
  Li  Li2  1  0.349  0.164  0.736  1.0
  Li  Li3  1  0.142  0.321  0.263  1.0
  Li  Li4  1  0.081  0.919  0.500  1.0
  Fe  Fe5  1  0.917  0.083  0.000  1.0
  Fe  Fe6  1  0.001  0.507  0.740  1.0
  Fe  Fe7  1  0.493  0.999  0.260  1.0
  Fe  Fe8  1  0.583  0.417  0.000  1.0
  Fe  Fe9  1  0.416  0.584  0.500  1.0
  Cu  Cu10  1  0.750  0.250  0.500  1.0
  Cu  Cu11  1  0.251  0.749  0.000  1.0
  O  O12  1  0.051  0.233  0.617  1.0
  O  O13  1  0.767  0.949  0.383  1.0
  O  O14  1  0.833  0.333  0.131  1.0
  O  O15  1  0.667  0.167  0.869  1.0
  O  O16  1  0.703  0.532  0.622  1.0
  O  O17  1  0.468  0.297  0.378  1.0
  O  O18  1  0.562  0.733  0.111  1.0
  O  O19  1  0.267  0.438  0.889  1.0
  O  O20  1  0.343  0.829  0.637  1.0
  O  O21  1  0.171  0.657  0.363  1.0
  O  O22  1  0.230  0.058  0.113  1.0
  O  O23  1  0.942  0.770  0.887  1.0
[/CIF]
.