The structure described by Li5Mn(Ni2O5)2 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), two equivalent O(3), and three equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the second Li site, Li(2) is bonded to two equivalent O(2) and four equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Ni(2)O6 octahedra, corners with four equivalent Ni(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with four equivalent Li(3)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-8°. In the third Li site, Li(3) is bonded to one O(3), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with three equivalent Ni(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-9°. Mn(1) is bonded to two equivalent O(4) and four equivalent O(1) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(3), two equivalent O(4), and two equivalent O(5) atoms to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-10°. In the second Ni site, Ni(2) is bonded to one O(5), two equivalent O(3), and three equivalent O(2) atoms to form NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), two equivalent Li(3), two equivalent Mn(1), and one Ni(1) atom to form OLi3Mn2Ni octahedra that share  a cornercorner with one O(4)Li3MnNi2 octahedra,  a cornercorner with one O(3)Li3Ni3 octahedra, corners with two equivalent O(1)Li3Mn2Ni octahedra, corners with two equivalent O(2)Li3Ni3 octahedra,  an edgeedge with one O(2)Li3Ni3 octahedra, edges with two equivalent O(3)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra, edges with three equivalent O(1)Li3Mn2Ni octahedra, and edges with four equivalent O(4)Li3MnNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(3), and three equivalent Ni(2) atoms to form OLi3Ni3 octahedra that share  a cornercorner with one O(2)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra, corners with two equivalent O(1)Li3Mn2Ni octahedra, corners with two equivalent O(3)Li3Ni3 octahedra,  an edgeedge with one O(1)Li3Mn2Ni octahedra, edges with three equivalent O(3)Li3Ni3 octahedra, edges with four equivalent O(2)Li3Ni3 octahedra, and edges with four equivalent O(5)Li3Ni3 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third O site, O(3) is bonded to one Li(3), two equivalent Li(1), one Ni(1), and two equivalent Ni(2) atoms to form OLi3Ni3 octahedra that share  a cornercorner with one O(1)Li3Mn2Ni octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra, corners with two equivalent O(4)Li3MnNi2 octahedra, corners with two equivalent O(2)Li3Ni3 octahedra, edges with two equivalent O(1)Li3Mn2Ni octahedra, edges with two equivalent O(3)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra, edges with three equivalent O(4)Li3MnNi2 octahedra, and edges with three equivalent O(2)Li3Ni3 octahedra. The corner-sharing octahedral tilt angles range from 2-6°. In the fourth O site, O(4) is bonded to three equivalent Li(1), one Mn(1), and two equivalent Ni(1) atoms to form OLi3MnNi2 octahedra that share  a cornercorner with one O(1)Li3Mn2Ni octahedra,  a cornercorner with one O(4)Li3MnNi2 octahedra, corners with two equivalent O(3)Li3Ni3 octahedra, corners with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with three equivalent O(3)Li3Ni3 octahedra, edges with four equivalent O(1)Li3Mn2Ni octahedra, and edges with four equivalent O(4)Li3MnNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(2), one Ni(2), and two equivalent Ni(1) atoms to form OLi3Ni3 octahedra that share  a cornercorner with one O(2)Li3Ni3 octahedra,  a cornercorner with one O(3)Li3Ni3 octahedra, corners with two equivalent O(4)Li3MnNi2 octahedra, corners with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(4)Li3MnNi2 octahedra, edges with two equivalent O(1)Li3Mn2Ni octahedra, edges with two equivalent O(3)Li3Ni3 octahedra, edges with three equivalent O(5)Li3Ni3 octahedra, and edges with four equivalent O(2)Li3Ni3 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. is represented by the CIF card [CIF]
data_Li5Mn(Ni2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.908
_cell_length_b   6.519
_cell_length_c   9.733
_cell_angle_alpha   101.369
_cell_angle_beta   88.491
_cell_angle_gamma   102.611
_symmetry_Int_Tables_number   1
_cell_volume   176.473
_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  0.701  0.407  0.603  1.0
  Li  Li1  1  0.500  0.000  0.000  1.0
  Li  Li2  1  0.299  0.593  0.397  1.0
  Li  Li3  1  0.102  0.205  0.807  1.0
  Li  Li4  1  0.898  0.795  0.193  1.0
  Mn  Mn5  1  0.000  0.000  0.500  1.0
  Ni  Ni6  1  0.393  0.795  0.703  1.0
  Ni  Ni7  1  0.607  0.205  0.297  1.0
  Ni  Ni8  1  0.787  0.596  0.900  1.0
  Ni  Ni9  1  0.213  0.404  0.100  1.0
  O  O10  1  0.533  0.089  0.634  1.0
  O  O11  1  0.360  0.679  0.043  1.0
  O  O12  1  0.640  0.321  0.957  1.0
  O  O13  1  0.787  0.496  0.239  1.0
  O  O14  1  0.467  0.911  0.366  1.0
  O  O15  1  0.863  0.722  0.552  1.0
  O  O16  1  0.925  0.876  0.848  1.0
  O  O17  1  0.137  0.278  0.448  1.0
  O  O18  1  0.213  0.504  0.761  1.0
  O  O19  1  0.075  0.124  0.152  1.0
[/CIF]
.
The structure described by Li5Mn(Ni2O5)2 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), two equivalent O(3), and three equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the second Li site, Li(2) is bonded to two equivalent O(2) and four equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Ni(2)O6 octahedra, corners with four equivalent Ni(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with four equivalent Li(3)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-8°. In the third Li site, Li(3) is bonded to one O(3), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with three equivalent Ni(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-9°. Mn(1) is bonded to two equivalent O(4) and four equivalent O(1) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(3), two equivalent O(4), and two equivalent O(5) atoms to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-10°. In the second Ni site, Ni(2) is bonded to one O(5), two equivalent O(3), and three equivalent O(2) atoms to form NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), two equivalent Li(3), two equivalent Mn(1), and one Ni(1) atom to form OLi3Mn2Ni octahedra that share  a cornercorner with one O(4)Li3MnNi2 octahedra,  a cornercorner with one O(3)Li3Ni3 octahedra, corners with two equivalent O(1)Li3Mn2Ni octahedra, corners with two equivalent O(2)Li3Ni3 octahedra,  an edgeedge with one O(2)Li3Ni3 octahedra, edges with two equivalent O(3)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra, edges with three equivalent O(1)Li3Mn2Ni octahedra, and edges with four equivalent O(4)Li3MnNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(3), and three equivalent Ni(2) atoms to form OLi3Ni3 octahedra that share  a cornercorner with one O(2)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra, corners with two equivalent O(1)Li3Mn2Ni octahedra, corners with two equivalent O(3)Li3Ni3 octahedra,  an edgeedge with one O(1)Li3Mn2Ni octahedra, edges with three equivalent O(3)Li3Ni3 octahedra, edges with four equivalent O(2)Li3Ni3 octahedra, and edges with four equivalent O(5)Li3Ni3 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third O site, O(3) is bonded to one Li(3), two equivalent Li(1), one Ni(1), and two equivalent Ni(2) atoms to form OLi3Ni3 octahedra that share  a cornercorner with one O(1)Li3Mn2Ni octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra, corners with two equivalent O(4)Li3MnNi2 octahedra, corners with two equivalent O(2)Li3Ni3 octahedra, edges with two equivalent O(1)Li3Mn2Ni octahedra, edges with two equivalent O(3)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra, edges with three equivalent O(4)Li3MnNi2 octahedra, and edges with three equivalent O(2)Li3Ni3 octahedra. The corner-sharing octahedral tilt angles range from 2-6°. In the fourth O site, O(4) is bonded to three equivalent Li(1), one Mn(1), and two equivalent Ni(1) atoms to form OLi3MnNi2 octahedra that share  a cornercorner with one O(1)Li3Mn2Ni octahedra,  a cornercorner with one O(4)Li3MnNi2 octahedra, corners with two equivalent O(3)Li3Ni3 octahedra, corners with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with three equivalent O(3)Li3Ni3 octahedra, edges with four equivalent O(1)Li3Mn2Ni octahedra, and edges with four equivalent O(4)Li3MnNi2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(2), one Ni(2), and two equivalent Ni(1) atoms to form OLi3Ni3 octahedra that share  a cornercorner with one O(2)Li3Ni3 octahedra,  a cornercorner with one O(3)Li3Ni3 octahedra, corners with two equivalent O(4)Li3MnNi2 octahedra, corners with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(4)Li3MnNi2 octahedra, edges with two equivalent O(1)Li3Mn2Ni octahedra, edges with two equivalent O(3)Li3Ni3 octahedra, edges with three equivalent O(5)Li3Ni3 octahedra, and edges with four equivalent O(2)Li3Ni3 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. is represented by the CIF card [CIF]
data_Li5Mn(Ni2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.908
_cell_length_b   6.519
_cell_length_c   9.733
_cell_angle_alpha   101.369
_cell_angle_beta   88.491
_cell_angle_gamma   102.611
_symmetry_Int_Tables_number   1
_cell_volume   176.473
_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  0.701  0.407  0.603  1.0
  Li  Li1  1  0.500  0.000  0.000  1.0
  Li  Li2  1  0.299  0.593  0.397  1.0
  Li  Li3  1  0.102  0.205  0.807  1.0
  Li  Li4  1  0.898  0.795  0.193  1.0
  Mn  Mn5  1  0.000  0.000  0.500  1.0
  Ni  Ni6  1  0.393  0.795  0.703  1.0
  Ni  Ni7  1  0.607  0.205  0.297  1.0
  Ni  Ni8  1  0.787  0.596  0.900  1.0
  Ni  Ni9  1  0.213  0.404  0.100  1.0
  O  O10  1  0.533  0.089  0.634  1.0
  O  O11  1  0.360  0.679  0.043  1.0
  O  O12  1  0.640  0.321  0.957  1.0
  O  O13  1  0.787  0.496  0.239  1.0
  O  O14  1  0.467  0.911  0.366  1.0
  O  O15  1  0.863  0.722  0.552  1.0
  O  O16  1  0.925  0.876  0.848  1.0
  O  O17  1  0.137  0.278  0.448  1.0
  O  O18  1  0.213  0.504  0.761  1.0
  O  O19  1  0.075  0.124  0.152  1.0
[/CIF]
.