The structure described by Li9Mn2Co5O16 crystallizes in the triclinic P1 space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(12), one O(4), and one O(9) atom. In the second Li site, Li(2) is bonded in a 2-coordinate geometry to one O(13) and one O(5) atom. In the third Li site, Li(3) is bonded in a 2-coordinate geometry to one O(14) and one O(6) atom. In the fourth Li site, Li(4) is bonded in a 2-coordinate geometry to one O(1), one O(4), and one O(9) atom. In the fifth Li site, Li(5) is bonded in a 2-coordinate geometry to one O(10), one O(13), and one O(2) atom. In the sixth Li site, Li(6) is bonded in a 2-coordinate geometry to one O(11) and one O(3) atom. In the seventh Li site, Li(7) is bonded in a 2-coordinate geometry to one O(16), one O(7), and one O(8) atom. In the eighth Li site, Li(8) is bonded in a 2-coordinate geometry to one O(15) and one O(7) atom. In the ninth Li site, Li(9) is bonded in a distorted linear geometry to one O(10), one O(13), one O(7), and one O(8) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 2-coordinate geometry to one O(1), one O(16), and one O(2) atom. In the second Mn site, Mn(2) is bonded in a 2-coordinate geometry to one O(3) and one O(9) atom. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a 2-coordinate geometry to one O(1), one O(11), and one O(4) atom. In the second Co site, Co(2) is bonded in a 2-coordinate geometry to one O(15), one O(4), and one O(5) atom. In the third Co site, Co(3) is bonded in a distorted linear geometry to one O(12), one O(13), and one O(6) atom. In the fourth Co site, Co(4) is bonded in a 2-coordinate geometry to one O(13) and one O(7) atom. In the fifth Co site, Co(5) is bonded in a 2-coordinate geometry to one O(1), one O(14), one O(4), and one O(7) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Li(1), one Li(4), one Mn(1), one Co(1), and one Co(5) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Li(5) and one Mn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Li(6) and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Li(1), one Li(4), one Co(1), one Co(2), and one Co(5) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Li(2) and one Co(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Li(3) and one Co(3) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Li(7), one Li(8), one Li(9), one Co(4), and one Co(5) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Li(7) and one Li(9) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Li(1), one Li(4), and one Mn(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Li(5) and one Li(9) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Li(6) and one Co(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Li(1) and one Co(3) atom. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Li(2), one Li(5), one Li(9), one Co(3), and one Co(4) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Li(3) and one Co(5) atom. In the fifteenth O site, O(15) is bonded in a 2-coordinate geometry to one Li(8) and one Co(2) atom. In the sixteenth O site, O(16) is bonded in a 2-coordinate geometry to one Li(7) and one Mn(1) atom. is represented by the CIF file [CIF]
data_Li9Mn2Co5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.888
_cell_length_b   5.897
_cell_length_c   10.067
_cell_angle_alpha   106.382
_cell_angle_beta   89.665
_cell_angle_gamma   119.585
_symmetry_Int_Tables_number   1
_cell_volume   287.889
_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  0.498  0.499  0.003  1.0
  Li  Li1  1  0.741  0.742  0.741  1.0
  Li  Li2  1  0.006  0.005  0.498  1.0
  Li  Li3  1  0.003  0.504  0.002  1.0
  Li  Li4  1  0.242  0.744  0.744  1.0
  Li  Li5  1  0.498  0.005  0.495  1.0
  Li  Li6  1  0.758  0.256  0.254  1.0
  Li  Li7  1  0.262  0.253  0.259  1.0
  Li  Li8  1  0.502  0.495  0.502  1.0
  Mn  Mn9  1  0.002  0.006  1.000  1.0
  Mn  Mn10  1  0.249  0.249  0.746  1.0
  Co  Co11  1  0.749  0.752  0.260  1.0
  Co  Co12  1  0.500  0.992  0.005  1.0
  Co  Co13  1  0.741  0.247  0.744  1.0
  Co  Co14  1  0.996  0.504  0.498  1.0
  Co  Co15  1  0.251  0.740  0.259  1.0
  O  O16  1  0.879  0.660  0.121  1.0
  O  O17  1  0.128  0.899  0.880  1.0
  O  O18  1  0.357  0.121  0.637  1.0
  O  O19  1  0.385  0.649  0.119  1.0
  O  O20  1  0.657  0.910  0.878  1.0
  O  O21  1  0.893  0.139  0.637  1.0
  O  O22  1  0.130  0.402  0.366  1.0
  O  O23  1  0.653  0.389  0.377  1.0
  O  O24  1  0.133  0.351  0.877  1.0
  O  O25  1  0.351  0.592  0.630  1.0
  O  O26  1  0.628  0.876  0.362  1.0
  O  O27  1  0.598  0.345  0.865  1.0
  O  O28  1  0.867  0.585  0.635  1.0
  O  O29  1  0.121  0.867  0.376  1.0
  O  O30  1  0.346  0.102  0.119  1.0
  O  O31  1  0.875  0.122  0.111  1.0
[/CIF]
.
The structure described by Li9Mn2Co5O16 crystallizes in the triclinic P1 space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(12), one O(4), and one O(9) atom. In the second Li site, Li(2) is bonded in a 2-coordinate geometry to one O(13) and one O(5) atom. In the third Li site, Li(3) is bonded in a 2-coordinate geometry to one O(14) and one O(6) atom. In the fourth Li site, Li(4) is bonded in a 2-coordinate geometry to one O(1), one O(4), and one O(9) atom. In the fifth Li site, Li(5) is bonded in a 2-coordinate geometry to one O(10), one O(13), and one O(2) atom. In the sixth Li site, Li(6) is bonded in a 2-coordinate geometry to one O(11) and one O(3) atom. In the seventh Li site, Li(7) is bonded in a 2-coordinate geometry to one O(16), one O(7), and one O(8) atom. In the eighth Li site, Li(8) is bonded in a 2-coordinate geometry to one O(15) and one O(7) atom. In the ninth Li site, Li(9) is bonded in a distorted linear geometry to one O(10), one O(13), one O(7), and one O(8) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 2-coordinate geometry to one O(1), one O(16), and one O(2) atom. In the second Mn site, Mn(2) is bonded in a 2-coordinate geometry to one O(3) and one O(9) atom. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a 2-coordinate geometry to one O(1), one O(11), and one O(4) atom. In the second Co site, Co(2) is bonded in a 2-coordinate geometry to one O(15), one O(4), and one O(5) atom. In the third Co site, Co(3) is bonded in a distorted linear geometry to one O(12), one O(13), and one O(6) atom. In the fourth Co site, Co(4) is bonded in a 2-coordinate geometry to one O(13) and one O(7) atom. In the fifth Co site, Co(5) is bonded in a 2-coordinate geometry to one O(1), one O(14), one O(4), and one O(7) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Li(1), one Li(4), one Mn(1), one Co(1), and one Co(5) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Li(5) and one Mn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Li(6) and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Li(1), one Li(4), one Co(1), one Co(2), and one Co(5) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Li(2) and one Co(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Li(3) and one Co(3) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Li(7), one Li(8), one Li(9), one Co(4), and one Co(5) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Li(7) and one Li(9) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Li(1), one Li(4), and one Mn(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Li(5) and one Li(9) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Li(6) and one Co(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Li(1) and one Co(3) atom. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Li(2), one Li(5), one Li(9), one Co(3), and one Co(4) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Li(3) and one Co(5) atom. In the fifteenth O site, O(15) is bonded in a 2-coordinate geometry to one Li(8) and one Co(2) atom. In the sixteenth O site, O(16) is bonded in a 2-coordinate geometry to one Li(7) and one Mn(1) atom. is represented by the CIF file [CIF]
data_Li9Mn2Co5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.888
_cell_length_b   5.897
_cell_length_c   10.067
_cell_angle_alpha   106.382
_cell_angle_beta   89.665
_cell_angle_gamma   119.585
_symmetry_Int_Tables_number   1
_cell_volume   287.889
_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  0.498  0.499  0.003  1.0
  Li  Li1  1  0.741  0.742  0.741  1.0
  Li  Li2  1  0.006  0.005  0.498  1.0
  Li  Li3  1  0.003  0.504  0.002  1.0
  Li  Li4  1  0.242  0.744  0.744  1.0
  Li  Li5  1  0.498  0.005  0.495  1.0
  Li  Li6  1  0.758  0.256  0.254  1.0
  Li  Li7  1  0.262  0.253  0.259  1.0
  Li  Li8  1  0.502  0.495  0.502  1.0
  Mn  Mn9  1  0.002  0.006  1.000  1.0
  Mn  Mn10  1  0.249  0.249  0.746  1.0
  Co  Co11  1  0.749  0.752  0.260  1.0
  Co  Co12  1  0.500  0.992  0.005  1.0
  Co  Co13  1  0.741  0.247  0.744  1.0
  Co  Co14  1  0.996  0.504  0.498  1.0
  Co  Co15  1  0.251  0.740  0.259  1.0
  O  O16  1  0.879  0.660  0.121  1.0
  O  O17  1  0.128  0.899  0.880  1.0
  O  O18  1  0.357  0.121  0.637  1.0
  O  O19  1  0.385  0.649  0.119  1.0
  O  O20  1  0.657  0.910  0.878  1.0
  O  O21  1  0.893  0.139  0.637  1.0
  O  O22  1  0.130  0.402  0.366  1.0
  O  O23  1  0.653  0.389  0.377  1.0
  O  O24  1  0.133  0.351  0.877  1.0
  O  O25  1  0.351  0.592  0.630  1.0
  O  O26  1  0.628  0.876  0.362  1.0
  O  O27  1  0.598  0.345  0.865  1.0
  O  O28  1  0.867  0.585  0.635  1.0
  O  O29  1  0.121  0.867  0.376  1.0
  O  O30  1  0.346  0.102  0.119  1.0
  O  O31  1  0.875  0.122  0.111  1.0
[/CIF]
.