The compound described by LiNi9O13 crystallizes in the monoclinic Cm space group. Li(1) is bonded in a rectangular see-saw-like geometry to one O(7), one O(9), and two equivalent O(3) atoms. There are nine inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(10), one O(11), two equivalent O(12), and two equivalent O(13) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. In the second Ni site, Ni(2) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(4) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 11-12°. In the third Ni site, Ni(3) is bonded to one O(4), one O(7), two equivalent O(1), and two equivalent O(5) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles are 11°. In the fourth Ni site, Ni(4) is bonded to one O(13), one O(8), two equivalent O(10), and two equivalent O(12) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the fifth Ni site, Ni(5) is bonded to one O(12), one O(9), two equivalent O(11), and two equivalent O(13) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the sixth Ni site, Ni(6) is bonded to one O(1), one O(2), two equivalent O(4), and two equivalent O(6) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-58°. In the seventh Ni site, Ni(7) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(5), and two equivalent O(7) atoms. In the eighth Ni site, Ni(8) is bonded to one O(12), one O(2), two equivalent O(10), and two equivalent O(8) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the ninth Ni site, Ni(9) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(11), and two equivalent O(9) atoms. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded to one Ni(6), two equivalent Ni(2), and two equivalent Ni(3) atoms to form a mixture of distorted corner and edge-sharing ONi5 square pyramids. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ni(6) and one Ni(8) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one Ni(7), and one Ni(9) atom. In the fourth O site, O(4) is bonded to one Ni(3), two equivalent Ni(2), and two equivalent Ni(6) atoms to form a mixture of corner and edge-sharing ONi5 square pyramids. In the fifth O site, O(5) is bonded to one Ni(2), two equivalent Ni(3), and two equivalent Ni(7) atoms to form a mixture of corner and edge-sharing ONi5 square pyramids. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Ni(2) and two equivalent Ni(6) atoms. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(3), and two equivalent Ni(7) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Ni(4) and two equivalent Ni(8) atoms. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(5), and two equivalent Ni(9) atoms. In the tenth O site, O(10) is bonded to one Ni(1), two equivalent Ni(4), and two equivalent Ni(8) atoms to form ONi5 square pyramids that share corners with two equivalent O(12)Ni6 octahedra,  a cornercorner with one O(11)Ni5 square pyramid, edges with three equivalent O(12)Ni6 octahedra, edges with two equivalent O(10)Ni5 square pyramids, and edges with two equivalent O(13)Ni5 square pyramids. The corner-sharing octahedral tilt angles are 6°. In the eleventh O site, O(11) is bonded to one Ni(1), two equivalent Ni(5), and two equivalent Ni(9) atoms to form ONi5 square pyramids that share  a cornercorner with one O(10)Ni5 square pyramid, corners with four equivalent O(13)Ni5 square pyramids, edges with two equivalent O(12)Ni6 octahedra,  an edgeedge with one O(13)Ni5 square pyramid, and edges with two equivalent O(11)Ni5 square pyramids. In the twelfth O site, O(12) is bonded to one Ni(5), one Ni(8), two equivalent Ni(1), and two equivalent Ni(4) atoms to form ONi6 octahedra that share corners with two equivalent O(10)Ni5 square pyramids, corners with two equivalent O(13)Ni5 square pyramids, edges with two equivalent O(12)Ni6 octahedra, edges with two equivalent O(11)Ni5 square pyramids, edges with three equivalent O(10)Ni5 square pyramids, and edges with three equivalent O(13)Ni5 square pyramids. In the thirteenth O site, O(13) is bonded to one Ni(4), two equivalent Ni(1), and two equivalent Ni(5) atoms to form distorted ONi5 square pyramids that share corners with two equivalent O(12)Ni6 octahedra, corners with four equivalent O(11)Ni5 square pyramids, edges with three equivalent O(12)Ni6 octahedra,  an edgeedge with one O(11)Ni5 square pyramid, edges with two equivalent O(10)Ni5 square pyramids, and edges with two equivalent O(13)Ni5 square pyramids. The corner-sharing octahedral tilt angles are 9°. is represented by the CIF card [CIF]
data_LiNi9O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.905
_cell_length_b   5.118
_cell_length_c   16.783
_cell_angle_alpha   98.676
_cell_angle_beta   90.011
_cell_angle_gamma   106.479
_symmetry_Int_Tables_number   1
_cell_volume   236.271
_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  0.423  0.845  0.772  1.0
  Ni  Ni1  1  0.500  0.999  0.486  1.0
  Ni  Ni2  1  0.660  0.319  0.061  1.0
  Ni  Ni3  1  0.369  0.738  0.978  1.0
  Ni  Ni4  1  0.749  0.498  0.401  1.0
  Ni  Ni5  1  0.256  0.512  0.565  1.0
  Ni  Ni6  1  0.948  0.894  0.135  1.0
  Ni  Ni7  1  0.088  0.175  0.892  1.0
  Ni  Ni8  1  0.996  0.992  0.329  1.0
  Ni  Ni9  1  0.021  0.042  0.652  1.0
  O  O10  1  0.010  0.020  0.031  1.0
  O  O11  1  0.880  0.759  0.231  1.0
  O  O12  1  0.090  0.179  0.772  1.0
  O  O13  1  0.309  0.617  0.086  1.0
  O  O14  1  0.718  0.435  0.946  1.0
  O  O15  1  0.575  0.149  0.163  1.0
  O  O16  1  0.454  0.908  0.882  1.0
  O  O17  1  0.610  0.220  0.303  1.0
  O  O18  1  0.394  0.787  0.661  1.0
  O  O19  1  0.386  0.772  0.374  1.0
  O  O20  1  0.623  0.246  0.597  1.0
  O  O21  1  0.122  0.243  0.441  1.0
  O  O22  1  0.863  0.726  0.513  1.0
[/CIF]
.
The compound described by LiNi9O13 crystallizes in the monoclinic Cm space group. Li(1) is bonded in a rectangular see-saw-like geometry to one O(7), one O(9), and two equivalent O(3) atoms. There are nine inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(10), one O(11), two equivalent O(12), and two equivalent O(13) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. In the second Ni site, Ni(2) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(4) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 11-12°. In the third Ni site, Ni(3) is bonded to one O(4), one O(7), two equivalent O(1), and two equivalent O(5) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles are 11°. In the fourth Ni site, Ni(4) is bonded to one O(13), one O(8), two equivalent O(10), and two equivalent O(12) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the fifth Ni site, Ni(5) is bonded to one O(12), one O(9), two equivalent O(11), and two equivalent O(13) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the sixth Ni site, Ni(6) is bonded to one O(1), one O(2), two equivalent O(4), and two equivalent O(6) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-58°. In the seventh Ni site, Ni(7) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(5), and two equivalent O(7) atoms. In the eighth Ni site, Ni(8) is bonded to one O(12), one O(2), two equivalent O(10), and two equivalent O(8) atoms to form a mixture of corner and edge-sharing NiO6 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the ninth Ni site, Ni(9) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(11), and two equivalent O(9) atoms. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded to one Ni(6), two equivalent Ni(2), and two equivalent Ni(3) atoms to form a mixture of distorted corner and edge-sharing ONi5 square pyramids. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ni(6) and one Ni(8) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one Ni(7), and one Ni(9) atom. In the fourth O site, O(4) is bonded to one Ni(3), two equivalent Ni(2), and two equivalent Ni(6) atoms to form a mixture of corner and edge-sharing ONi5 square pyramids. In the fifth O site, O(5) is bonded to one Ni(2), two equivalent Ni(3), and two equivalent Ni(7) atoms to form a mixture of corner and edge-sharing ONi5 square pyramids. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Ni(2) and two equivalent Ni(6) atoms. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(3), and two equivalent Ni(7) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Ni(4) and two equivalent Ni(8) atoms. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(5), and two equivalent Ni(9) atoms. In the tenth O site, O(10) is bonded to one Ni(1), two equivalent Ni(4), and two equivalent Ni(8) atoms to form ONi5 square pyramids that share corners with two equivalent O(12)Ni6 octahedra,  a cornercorner with one O(11)Ni5 square pyramid, edges with three equivalent O(12)Ni6 octahedra, edges with two equivalent O(10)Ni5 square pyramids, and edges with two equivalent O(13)Ni5 square pyramids. The corner-sharing octahedral tilt angles are 6°. In the eleventh O site, O(11) is bonded to one Ni(1), two equivalent Ni(5), and two equivalent Ni(9) atoms to form ONi5 square pyramids that share  a cornercorner with one O(10)Ni5 square pyramid, corners with four equivalent O(13)Ni5 square pyramids, edges with two equivalent O(12)Ni6 octahedra,  an edgeedge with one O(13)Ni5 square pyramid, and edges with two equivalent O(11)Ni5 square pyramids. In the twelfth O site, O(12) is bonded to one Ni(5), one Ni(8), two equivalent Ni(1), and two equivalent Ni(4) atoms to form ONi6 octahedra that share corners with two equivalent O(10)Ni5 square pyramids, corners with two equivalent O(13)Ni5 square pyramids, edges with two equivalent O(12)Ni6 octahedra, edges with two equivalent O(11)Ni5 square pyramids, edges with three equivalent O(10)Ni5 square pyramids, and edges with three equivalent O(13)Ni5 square pyramids. In the thirteenth O site, O(13) is bonded to one Ni(4), two equivalent Ni(1), and two equivalent Ni(5) atoms to form distorted ONi5 square pyramids that share corners with two equivalent O(12)Ni6 octahedra, corners with four equivalent O(11)Ni5 square pyramids, edges with three equivalent O(12)Ni6 octahedra,  an edgeedge with one O(11)Ni5 square pyramid, edges with two equivalent O(10)Ni5 square pyramids, and edges with two equivalent O(13)Ni5 square pyramids. The corner-sharing octahedral tilt angles are 9°. is represented by the CIF card [CIF]
data_LiNi9O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.905
_cell_length_b   5.118
_cell_length_c   16.783
_cell_angle_alpha   98.676
_cell_angle_beta   90.011
_cell_angle_gamma   106.479
_symmetry_Int_Tables_number   1
_cell_volume   236.271
_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  0.423  0.845  0.772  1.0
  Ni  Ni1  1  0.500  0.999  0.486  1.0
  Ni  Ni2  1  0.660  0.319  0.061  1.0
  Ni  Ni3  1  0.369  0.738  0.978  1.0
  Ni  Ni4  1  0.749  0.498  0.401  1.0
  Ni  Ni5  1  0.256  0.512  0.565  1.0
  Ni  Ni6  1  0.948  0.894  0.135  1.0
  Ni  Ni7  1  0.088  0.175  0.892  1.0
  Ni  Ni8  1  0.996  0.992  0.329  1.0
  Ni  Ni9  1  0.021  0.042  0.652  1.0
  O  O10  1  0.010  0.020  0.031  1.0
  O  O11  1  0.880  0.759  0.231  1.0
  O  O12  1  0.090  0.179  0.772  1.0
  O  O13  1  0.309  0.617  0.086  1.0
  O  O14  1  0.718  0.435  0.946  1.0
  O  O15  1  0.575  0.149  0.163  1.0
  O  O16  1  0.454  0.908  0.882  1.0
  O  O17  1  0.610  0.220  0.303  1.0
  O  O18  1  0.394  0.787  0.661  1.0
  O  O19  1  0.386  0.772  0.374  1.0
  O  O20  1  0.623  0.246  0.597  1.0
  O  O21  1  0.122  0.243  0.441  1.0
  O  O22  1  0.863  0.726  0.513  1.0
[/CIF]
.