The structure described by LiNi6O7 is Caswellsilverite-like structured and crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form LiO6 octahedra that share  a cornercorner with one Ni(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Ni(6)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(7)O6 octahedra, and edges with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-3°. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(2), two equivalent O(6), and two equivalent O(7) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Ni(6)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(3)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 1-6°. In the second Ni site, Ni(2) is bonded to one O(3), one O(7), two equivalent O(1), and two equivalent O(6) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(5)O6 octahedra,  a cornercorner with one Ni(7)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(1)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 2-5°. In the third Ni site, Ni(3) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with three equivalent Ni(7)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the fourth Ni site, Ni(4) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra, corners with four equivalent Ni(7)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, edges with two equivalent Ni(7)O6 octahedra, and edges with four equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-3°. In the fifth Ni site, Ni(5) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Ni(2)O6 octahedra, corners with four equivalent Ni(6)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with four equivalent Ni(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. In the sixth Ni site, Ni(6) is bonded to one O(2), one O(3), one O(4), one O(7), and two equivalent O(5) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Ni(5)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, and edges with three equivalent Ni(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the seventh Ni site, Ni(7) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Ni(4)O6 octahedra, corners with three equivalent Ni(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with three equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Ni(1), one Ni(3), one Ni(7), and two equivalent Ni(2) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(3)LiNi5 octahedra,  a cornercorner with one O(4)Ni6 octahedra, corners with two equivalent O(2)LiNi5 octahedra, corners with two equivalent O(6)LiNi5 octahedra,  an edgeedge with one O(1)LiNi5 octahedra,  an edgeedge with one O(2)LiNi5 octahedra,  an edgeedge with one O(5)LiNi5 octahedra,  an edgeedge with one O(4)Ni6 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with three equivalent O(6)LiNi5 octahedra, and edges with three equivalent O(7)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. In the second O site, O(2) is bonded to one Li(1), one Ni(1), one Ni(3), one Ni(4), one Ni(6), and one Ni(7) atom to form OLiNi5 octahedra that share  a cornercorner with one O(2)LiNi5 octahedra,  a cornercorner with one O(7)LiNi5 octahedra, corners with two equivalent O(1)LiNi5 octahedra, corners with two equivalent O(4)Ni6 octahedra,  an edgeedge with one O(1)LiNi5 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with two equivalent O(6)LiNi5 octahedra, edges with two equivalent O(7)LiNi5 octahedra, edges with two equivalent O(4)Ni6 octahedra, and edges with three equivalent O(5)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the third O site, O(3) is bonded to one Li(1), one Ni(2), one Ni(3), one Ni(5), one Ni(6), and one Ni(7) atom to form OLiNi5 octahedra that share  a cornercorner with one O(1)LiNi5 octahedra,  a cornercorner with one O(3)LiNi5 octahedra, corners with two equivalent O(5)LiNi5 octahedra, corners with two equivalent O(7)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra, edges with two equivalent O(1)LiNi5 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with two equivalent O(5)LiNi5 octahedra, edges with two equivalent O(6)LiNi5 octahedra, and edges with three equivalent O(4)Ni6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth O site, O(4) is bonded to one Ni(3), one Ni(4), one Ni(5), one Ni(6), and two equivalent Ni(7) atoms to form ONi6 octahedra that share  a cornercorner with one O(1)LiNi5 octahedra,  a cornercorner with one O(6)LiNi5 octahedra, corners with two equivalent O(2)LiNi5 octahedra, corners with two equivalent O(4)Ni6 octahedra,  an edgeedge with one O(1)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra,  an edgeedge with one O(4)Ni6 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with three equivalent O(3)LiNi5 octahedra, and edges with four equivalent O(5)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fifth O site, O(5) is bonded to one Li(1), one Ni(4), one Ni(5), one Ni(7), and two equivalent Ni(6) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(6)LiNi5 octahedra,  a cornercorner with one O(7)LiNi5 octahedra, corners with two equivalent O(3)LiNi5 octahedra, corners with two equivalent O(5)LiNi5 octahedra,  an edgeedge with one O(1)LiNi5 octahedra,  an edgeedge with one O(5)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with three equivalent O(2)LiNi5 octahedra, and edges with four equivalent O(4)Ni6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the sixth O site, O(6) is bonded to one Li(1), one Ni(3), two equivalent Ni(1), and two equivalent Ni(2) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(5)LiNi5 octahedra,  a cornercorner with one O(4)Ni6 octahedra, corners with two equivalent O(1)LiNi5 octahedra, corners with two equivalent O(7)LiNi5 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with two equivalent O(6)LiNi5 octahedra, edges with three equivalent O(1)LiNi5 octahedra, and edges with three equivalent O(7)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the seventh O site, O(7) is bonded to one Li(1), one Ni(2), one Ni(3), one Ni(6), and two equivalent Ni(1) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(2)LiNi5 octahedra,  a cornercorner with one O(5)LiNi5 octahedra, corners with two equivalent O(3)LiNi5 octahedra, corners with two equivalent O(6)LiNi5 octahedra,  an edgeedge with one O(3)LiNi5 octahedra,  an edgeedge with one O(5)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra,  an edgeedge with one O(4)Ni6 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with three equivalent O(1)LiNi5 octahedra, and edges with three equivalent O(6)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. is represented by the CIF card [CIF]
data_LiNi6O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.046
_cell_length_b   5.824
_cell_length_c   8.780
_cell_angle_alpha   89.957
_cell_angle_beta   95.567
_cell_angle_gamma   106.733
_symmetry_Int_Tables_number   1
_cell_volume   245.816
_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  0.641  0.286  0.779  1.0
  Li  Li1  1  0.359  0.714  0.221  1.0
  Ni  Ni2  1  0.786  0.572  0.072  1.0
  Ni  Ni3  1  0.779  0.070  0.070  1.0
  Ni  Ni4  1  0.644  0.785  0.784  1.0
  Ni  Ni5  1  0.356  0.215  0.216  1.0
  Ni  Ni6  1  0.500  0.500  0.500  1.0
  Ni  Ni7  1  0.500  0.000  0.500  1.0
  Ni  Ni8  1  0.214  0.428  0.928  1.0
  Ni  Ni9  1  0.221  0.930  0.930  1.0
  Ni  Ni10  1  0.070  0.641  0.644  1.0
  Ni  Ni11  1  0.075  0.146  0.645  1.0
  Ni  Ni12  1  0.930  0.359  0.356  1.0
  Ni  Ni13  1  0.925  0.854  0.355  1.0
  O  O14  1  0.944  0.106  0.861  1.0
  O  O15  1  0.640  0.531  0.288  1.0
  O  O16  1  0.641  0.039  0.288  1.0
  O  O17  1  0.787  0.823  0.571  1.0
  O  O18  1  0.785  0.320  0.568  1.0
  O  O19  1  0.504  0.747  0.995  1.0
  O  O20  1  0.496  0.253  0.005  1.0
  O  O21  1  0.360  0.469  0.712  1.0
  O  O22  1  0.359  0.961  0.712  1.0
  O  O23  1  0.055  0.383  0.136  1.0
  O  O24  1  0.056  0.894  0.139  1.0
  O  O25  1  0.215  0.680  0.432  1.0
  O  O26  1  0.213  0.177  0.429  1.0
  O  O27  1  0.945  0.617  0.864  1.0
[/CIF]
.
The structure described by LiNi6O7 is Caswellsilverite-like structured and crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form LiO6 octahedra that share  a cornercorner with one Ni(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Ni(6)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(7)O6 octahedra, and edges with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-3°. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(2), two equivalent O(6), and two equivalent O(7) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Ni(6)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(3)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 1-6°. In the second Ni site, Ni(2) is bonded to one O(3), one O(7), two equivalent O(1), and two equivalent O(6) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(5)O6 octahedra,  a cornercorner with one Ni(7)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(1)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 2-5°. In the third Ni site, Ni(3) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with three equivalent Ni(7)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the fourth Ni site, Ni(4) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra, corners with four equivalent Ni(7)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, edges with two equivalent Ni(7)O6 octahedra, and edges with four equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-3°. In the fifth Ni site, Ni(5) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Ni(2)O6 octahedra, corners with four equivalent Ni(6)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with four equivalent Ni(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. In the sixth Ni site, Ni(6) is bonded to one O(2), one O(3), one O(4), one O(7), and two equivalent O(5) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Ni(5)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, and edges with three equivalent Ni(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the seventh Ni site, Ni(7) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(2)O6 octahedra, corners with two equivalent Ni(4)O6 octahedra, corners with three equivalent Ni(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with three equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Ni(1), one Ni(3), one Ni(7), and two equivalent Ni(2) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(3)LiNi5 octahedra,  a cornercorner with one O(4)Ni6 octahedra, corners with two equivalent O(2)LiNi5 octahedra, corners with two equivalent O(6)LiNi5 octahedra,  an edgeedge with one O(1)LiNi5 octahedra,  an edgeedge with one O(2)LiNi5 octahedra,  an edgeedge with one O(5)LiNi5 octahedra,  an edgeedge with one O(4)Ni6 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with three equivalent O(6)LiNi5 octahedra, and edges with three equivalent O(7)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. In the second O site, O(2) is bonded to one Li(1), one Ni(1), one Ni(3), one Ni(4), one Ni(6), and one Ni(7) atom to form OLiNi5 octahedra that share  a cornercorner with one O(2)LiNi5 octahedra,  a cornercorner with one O(7)LiNi5 octahedra, corners with two equivalent O(1)LiNi5 octahedra, corners with two equivalent O(4)Ni6 octahedra,  an edgeedge with one O(1)LiNi5 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with two equivalent O(6)LiNi5 octahedra, edges with two equivalent O(7)LiNi5 octahedra, edges with two equivalent O(4)Ni6 octahedra, and edges with three equivalent O(5)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the third O site, O(3) is bonded to one Li(1), one Ni(2), one Ni(3), one Ni(5), one Ni(6), and one Ni(7) atom to form OLiNi5 octahedra that share  a cornercorner with one O(1)LiNi5 octahedra,  a cornercorner with one O(3)LiNi5 octahedra, corners with two equivalent O(5)LiNi5 octahedra, corners with two equivalent O(7)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra, edges with two equivalent O(1)LiNi5 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with two equivalent O(5)LiNi5 octahedra, edges with two equivalent O(6)LiNi5 octahedra, and edges with three equivalent O(4)Ni6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth O site, O(4) is bonded to one Ni(3), one Ni(4), one Ni(5), one Ni(6), and two equivalent Ni(7) atoms to form ONi6 octahedra that share  a cornercorner with one O(1)LiNi5 octahedra,  a cornercorner with one O(6)LiNi5 octahedra, corners with two equivalent O(2)LiNi5 octahedra, corners with two equivalent O(4)Ni6 octahedra,  an edgeedge with one O(1)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra,  an edgeedge with one O(4)Ni6 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with three equivalent O(3)LiNi5 octahedra, and edges with four equivalent O(5)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fifth O site, O(5) is bonded to one Li(1), one Ni(4), one Ni(5), one Ni(7), and two equivalent Ni(6) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(6)LiNi5 octahedra,  a cornercorner with one O(7)LiNi5 octahedra, corners with two equivalent O(3)LiNi5 octahedra, corners with two equivalent O(5)LiNi5 octahedra,  an edgeedge with one O(1)LiNi5 octahedra,  an edgeedge with one O(5)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with three equivalent O(2)LiNi5 octahedra, and edges with four equivalent O(4)Ni6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the sixth O site, O(6) is bonded to one Li(1), one Ni(3), two equivalent Ni(1), and two equivalent Ni(2) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(5)LiNi5 octahedra,  a cornercorner with one O(4)Ni6 octahedra, corners with two equivalent O(1)LiNi5 octahedra, corners with two equivalent O(7)LiNi5 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with two equivalent O(3)LiNi5 octahedra, edges with two equivalent O(6)LiNi5 octahedra, edges with three equivalent O(1)LiNi5 octahedra, and edges with three equivalent O(7)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the seventh O site, O(7) is bonded to one Li(1), one Ni(2), one Ni(3), one Ni(6), and two equivalent Ni(1) atoms to form OLiNi5 octahedra that share  a cornercorner with one O(2)LiNi5 octahedra,  a cornercorner with one O(5)LiNi5 octahedra, corners with two equivalent O(3)LiNi5 octahedra, corners with two equivalent O(6)LiNi5 octahedra,  an edgeedge with one O(3)LiNi5 octahedra,  an edgeedge with one O(5)LiNi5 octahedra,  an edgeedge with one O(7)LiNi5 octahedra,  an edgeedge with one O(4)Ni6 octahedra, edges with two equivalent O(2)LiNi5 octahedra, edges with three equivalent O(1)LiNi5 octahedra, and edges with three equivalent O(6)LiNi5 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. is represented by the CIF card [CIF]
data_LiNi6O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.046
_cell_length_b   5.824
_cell_length_c   8.780
_cell_angle_alpha   89.957
_cell_angle_beta   95.567
_cell_angle_gamma   106.733
_symmetry_Int_Tables_number   1
_cell_volume   245.816
_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  0.641  0.286  0.779  1.0
  Li  Li1  1  0.359  0.714  0.221  1.0
  Ni  Ni2  1  0.786  0.572  0.072  1.0
  Ni  Ni3  1  0.779  0.070  0.070  1.0
  Ni  Ni4  1  0.644  0.785  0.784  1.0
  Ni  Ni5  1  0.356  0.215  0.216  1.0
  Ni  Ni6  1  0.500  0.500  0.500  1.0
  Ni  Ni7  1  0.500  0.000  0.500  1.0
  Ni  Ni8  1  0.214  0.428  0.928  1.0
  Ni  Ni9  1  0.221  0.930  0.930  1.0
  Ni  Ni10  1  0.070  0.641  0.644  1.0
  Ni  Ni11  1  0.075  0.146  0.645  1.0
  Ni  Ni12  1  0.930  0.359  0.356  1.0
  Ni  Ni13  1  0.925  0.854  0.355  1.0
  O  O14  1  0.944  0.106  0.861  1.0
  O  O15  1  0.640  0.531  0.288  1.0
  O  O16  1  0.641  0.039  0.288  1.0
  O  O17  1  0.787  0.823  0.571  1.0
  O  O18  1  0.785  0.320  0.568  1.0
  O  O19  1  0.504  0.747  0.995  1.0
  O  O20  1  0.496  0.253  0.005  1.0
  O  O21  1  0.360  0.469  0.712  1.0
  O  O22  1  0.359  0.961  0.712  1.0
  O  O23  1  0.055  0.383  0.136  1.0
  O  O24  1  0.056  0.894  0.139  1.0
  O  O25  1  0.215  0.680  0.432  1.0
  O  O26  1  0.213  0.177  0.429  1.0
  O  O27  1  0.945  0.617  0.864  1.0
[/CIF]
.