The compound described by Li4Co7O16 is beta indium sulfide-derived structured and crystallizes in the monoclinic P2_1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(13), one O(15), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, and corners with two equivalent Co(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-70°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra,  a cornercorner with one Co(7)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, and corners with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-71°. In the third Li site, Li(3) is bonded to one O(10), one O(13), one O(15), one O(16), one O(4), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(6)O6 octahedra, and edges with two equivalent Co(7)O6 octahedra. In the fourth Li site, Li(4) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, and corners with two equivalent Co(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-70°. There are seven inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. In the second Co site, Co(2) is bonded to one O(3), one O(4), one O(5), one O(6), one O(8), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(2), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, and  an edgeedge with one Co(6)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(14), one O(16), one O(5), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(7)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, and corners with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-66°. In the fifth Co site, Co(5) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(2) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), and one O(16) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the seventh Co site, Co(7) is bonded to one O(10), one O(13), one O(14), one O(15), one O(3), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(6)O6 octahedra, and edges with two equivalent Li(3)O6 octahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Li(2), one Co(3), and one Co(6) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(2), one Co(3), and one Co(5) atom. In the third O site, O(3) is bonded to one Li(2), one Co(1), one Co(2), and one Co(7) atom to form distorted OLiCo3 trigonal pyramids that share corners with two equivalent O(6)LiCo3 tetrahedra,  a cornercorner with one O(14)Co4 trigonal pyramid,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(4)Li2Co2 trigonal pyramid,  an edgeedge with one O(10)Li2Co2 trigonal pyramid,  an edgeedge with one O(4)Li2Co2 trigonal pyramid, and  an edgeedge with one O(9)Li2Co2 trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Co(1), and one Co(2) atom to form distorted OLi2Co2 trigonal pyramids that share corners with two equivalent O(6)LiCo3 tetrahedra,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid,  an edgeedge with one O(10)Li2Co2 trigonal pyramid,  an edgeedge with one O(9)Li2Co2 trigonal pyramid, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(2), one Co(3), and one Co(4) atom. In the sixth O site, O(6) is bonded to one Li(1), one Co(1), one Co(2), and one Co(3) atom to form distorted OLiCo3 tetrahedra that share  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid, corners with two equivalent O(4)Li2Co2 trigonal pyramids, and corners with two equivalent O(3)LiCo3 trigonal pyramids. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Co(4) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(1), one Co(1), and one Co(2) atom. In the ninth O site, O(9) is bonded to one Li(3), one Li(4), one Co(2), and one Co(7) atom to form distorted OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(14)Co4 trigonal pyramid,  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid, corners with two equivalent O(13)Li2Co2 trigonal pyramids, corners with two equivalent O(15)Li2Co2 trigonal pyramids,  an edgeedge with one O(10)Li2Co2 trigonal pyramid,  an edgeedge with one O(4)Li2Co2 trigonal pyramid, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the tenth O site, O(10) is bonded to one Li(3), one Li(4), one Co(1), and one Co(7) atom to form distorted OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(14)Co4 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid, corners with two equivalent O(13)Li2Co2 trigonal pyramids, corners with two equivalent O(15)Li2Co2 trigonal pyramids,  an edgeedge with one O(4)Li2Co2 trigonal pyramid,  an edgeedge with one O(9)Li2Co2 trigonal pyramid, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the eleventh O site, O(11) is bonded to one Li(4), one Co(3), one Co(5), and one Co(6) atom to form distorted OLiCo3 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid, and corners with two equivalent O(14)Co4 trigonal pyramids. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(4), one Co(5), and one Co(6) atom. In the thirteenth O site, O(13) is bonded to one Li(1), one Li(3), one Co(6), and one Co(7) atom to form OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(4)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid, corners with two equivalent O(10)Li2Co2 trigonal pyramids, corners with two equivalent O(9)Li2Co2 trigonal pyramids,  an edgeedge with one O(14)Co4 trigonal pyramid, and  an edgeedge with one O(15)Li2Co2 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Co(4), one Co(5), one Co(6), and one Co(7) atom to form distorted OCo4 trigonal pyramids that share  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid, corners with two equivalent O(11)LiCo3 trigonal pyramids,  an edgeedge with one O(13)Li2Co2 trigonal pyramid, and  an edgeedge with one O(15)Li2Co2 trigonal pyramid. In the fifteenth O site, O(15) is bonded to one Li(1), one Li(3), one Co(5), and one Co(7) atom to form OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(4)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid, corners with two equivalent O(10)Li2Co2 trigonal pyramids, corners with two equivalent O(9)Li2Co2 trigonal pyramids,  an edgeedge with one O(14)Co4 trigonal pyramid, and  an edgeedge with one O(13)Li2Co2 trigonal pyramid. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(3), one Co(4), one Co(5), and one Co(6) atom. is represented by the CIF file [CIF]
data_Li4Co7O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.106
_cell_length_b   8.045
_cell_length_c   8.097
_cell_angle_alpha   89.638
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   528.022
_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  0.498  0.254  0.501  1.0
  Li  Li1  1  0.252  0.000  0.251  1.0
  Li  Li2  1  0.752  1.000  0.749  1.0
  Li  Li3  1  0.998  0.746  0.499  1.0
  Li  Li4  1  0.373  0.621  0.376  1.0
  Li  Li5  1  0.748  0.497  0.255  1.0
  Li  Li6  1  0.248  0.503  0.745  1.0
  Li  Li7  1  0.873  0.379  0.624  1.0
  Co  Co8  1  0.877  0.123  0.375  1.0
  Co  Co9  1  0.127  0.127  0.620  1.0
  Co  Co10  1  0.379  0.129  0.876  1.0
  Co  Co11  1  0.879  0.871  0.124  1.0
  Co  Co12  1  0.627  0.873  0.380  1.0
  Co  Co13  1  0.377  0.877  0.625  1.0
  Co  Co14  1  0.499  0.755  0.007  1.0
  Co  Co15  1  0.118  0.627  0.121  1.0
  Co  Co16  1  0.875  0.627  0.883  1.0
  Co  Co17  1  0.630  0.628  0.632  1.0
  Co  Co18  1  0.130  0.372  0.368  1.0
  Co  Co19  1  0.375  0.373  0.117  1.0
  Co  Co20  1  0.618  0.373  0.879  1.0
  Co  Co21  1  0.999  0.245  0.993  1.0
  O  O22  1  0.362  0.149  0.096  1.0
  O  O23  1  0.600  0.151  0.864  1.0
  O  O24  1  0.113  0.136  0.386  1.0
  O  O25  1  0.904  0.113  0.601  1.0
  O  O26  1  0.141  0.138  0.855  1.0
  O  O27  1  0.361  0.112  0.642  1.0
  O  O28  1  0.891  0.105  0.141  1.0
  O  O29  1  0.657  0.101  0.386  1.0
  O  O30  1  0.157  0.899  0.614  1.0
  O  O31  1  0.391  0.895  0.859  1.0
  O  O32  1  0.861  0.888  0.358  1.0
  O  O33  1  0.641  0.862  0.145  1.0
  O  O34  1  0.404  0.887  0.399  1.0
  O  O35  1  0.613  0.864  0.614  1.0
  O  O36  1  0.100  0.849  0.136  1.0
  O  O37  1  0.862  0.851  0.904  1.0
  O  O38  1  0.631  0.649  0.401  1.0
  O  O39  1  0.396  0.654  0.630  1.0
  O  O40  1  0.887  0.635  0.116  1.0
  O  O41  1  0.094  0.615  0.897  1.0
  O  O42  1  0.854  0.633  0.652  1.0
  O  O43  1  0.636  0.612  0.870  1.0
  O  O44  1  0.120  0.595  0.351  1.0
  O  O45  1  0.354  0.613  0.117  1.0
  O  O46  1  0.854  0.387  0.883  1.0
  O  O47  1  0.620  0.405  0.649  1.0
  O  O48  1  0.136  0.388  0.130  1.0
  O  O49  1  0.354  0.367  0.348  1.0
  O  O50  1  0.594  0.385  0.103  1.0
  O  O51  1  0.387  0.365  0.884  1.0
  O  O52  1  0.896  0.346  0.370  1.0
  O  O53  1  0.131  0.351  0.599  1.0
[/CIF]
.
The compound described by Li4Co7O16 is beta indium sulfide-derived structured and crystallizes in the monoclinic P2_1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(13), one O(15), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, and corners with two equivalent Co(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-70°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra,  a cornercorner with one Co(7)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, and corners with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-71°. In the third Li site, Li(3) is bonded to one O(10), one O(13), one O(15), one O(16), one O(4), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(6)O6 octahedra, and edges with two equivalent Co(7)O6 octahedra. In the fourth Li site, Li(4) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, and corners with two equivalent Co(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-70°. There are seven inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. In the second Co site, Co(2) is bonded to one O(3), one O(4), one O(5), one O(6), one O(8), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(2), one O(5), one O(6), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, and  an edgeedge with one Co(6)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(14), one O(16), one O(5), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(7)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, and corners with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-66°. In the fifth Co site, Co(5) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(2) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), and one O(16) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(7)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. In the seventh Co site, Co(7) is bonded to one O(10), one O(13), one O(14), one O(15), one O(3), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(6)O6 octahedra, and edges with two equivalent Li(3)O6 octahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Li(2), one Co(3), and one Co(6) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(2), one Co(3), and one Co(5) atom. In the third O site, O(3) is bonded to one Li(2), one Co(1), one Co(2), and one Co(7) atom to form distorted OLiCo3 trigonal pyramids that share corners with two equivalent O(6)LiCo3 tetrahedra,  a cornercorner with one O(14)Co4 trigonal pyramid,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(4)Li2Co2 trigonal pyramid,  an edgeedge with one O(10)Li2Co2 trigonal pyramid,  an edgeedge with one O(4)Li2Co2 trigonal pyramid, and  an edgeedge with one O(9)Li2Co2 trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Co(1), and one Co(2) atom to form distorted OLi2Co2 trigonal pyramids that share corners with two equivalent O(6)LiCo3 tetrahedra,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid,  an edgeedge with one O(10)Li2Co2 trigonal pyramid,  an edgeedge with one O(9)Li2Co2 trigonal pyramid, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(2), one Co(3), and one Co(4) atom. In the sixth O site, O(6) is bonded to one Li(1), one Co(1), one Co(2), and one Co(3) atom to form distorted OLiCo3 tetrahedra that share  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid, corners with two equivalent O(4)Li2Co2 trigonal pyramids, and corners with two equivalent O(3)LiCo3 trigonal pyramids. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Co(4) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(1), one Co(1), and one Co(2) atom. In the ninth O site, O(9) is bonded to one Li(3), one Li(4), one Co(2), and one Co(7) atom to form distorted OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(14)Co4 trigonal pyramid,  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid, corners with two equivalent O(13)Li2Co2 trigonal pyramids, corners with two equivalent O(15)Li2Co2 trigonal pyramids,  an edgeedge with one O(10)Li2Co2 trigonal pyramid,  an edgeedge with one O(4)Li2Co2 trigonal pyramid, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the tenth O site, O(10) is bonded to one Li(3), one Li(4), one Co(1), and one Co(7) atom to form distorted OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(14)Co4 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid, corners with two equivalent O(13)Li2Co2 trigonal pyramids, corners with two equivalent O(15)Li2Co2 trigonal pyramids,  an edgeedge with one O(4)Li2Co2 trigonal pyramid,  an edgeedge with one O(9)Li2Co2 trigonal pyramid, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the eleventh O site, O(11) is bonded to one Li(4), one Co(3), one Co(5), and one Co(6) atom to form distorted OLiCo3 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid, and corners with two equivalent O(14)Co4 trigonal pyramids. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(4), one Co(5), and one Co(6) atom. In the thirteenth O site, O(13) is bonded to one Li(1), one Li(3), one Co(6), and one Co(7) atom to form OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(15)Li2Co2 trigonal pyramid,  a cornercorner with one O(4)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid, corners with two equivalent O(10)Li2Co2 trigonal pyramids, corners with two equivalent O(9)Li2Co2 trigonal pyramids,  an edgeedge with one O(14)Co4 trigonal pyramid, and  an edgeedge with one O(15)Li2Co2 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Co(4), one Co(5), one Co(6), and one Co(7) atom to form distorted OCo4 trigonal pyramids that share  a cornercorner with one O(10)Li2Co2 trigonal pyramid,  a cornercorner with one O(9)Li2Co2 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid, corners with two equivalent O(11)LiCo3 trigonal pyramids,  an edgeedge with one O(13)Li2Co2 trigonal pyramid, and  an edgeedge with one O(15)Li2Co2 trigonal pyramid. In the fifteenth O site, O(15) is bonded to one Li(1), one Li(3), one Co(5), and one Co(7) atom to form OLi2Co2 trigonal pyramids that share  a cornercorner with one O(6)LiCo3 tetrahedra,  a cornercorner with one O(13)Li2Co2 trigonal pyramid,  a cornercorner with one O(4)Li2Co2 trigonal pyramid,  a cornercorner with one O(11)LiCo3 trigonal pyramid,  a cornercorner with one O(3)LiCo3 trigonal pyramid, corners with two equivalent O(10)Li2Co2 trigonal pyramids, corners with two equivalent O(9)Li2Co2 trigonal pyramids,  an edgeedge with one O(14)Co4 trigonal pyramid, and  an edgeedge with one O(13)Li2Co2 trigonal pyramid. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(3), one Co(4), one Co(5), and one Co(6) atom. is represented by the CIF file [CIF]
data_Li4Co7O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.106
_cell_length_b   8.045
_cell_length_c   8.097
_cell_angle_alpha   89.638
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   528.022
_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  0.498  0.254  0.501  1.0
  Li  Li1  1  0.252  0.000  0.251  1.0
  Li  Li2  1  0.752  1.000  0.749  1.0
  Li  Li3  1  0.998  0.746  0.499  1.0
  Li  Li4  1  0.373  0.621  0.376  1.0
  Li  Li5  1  0.748  0.497  0.255  1.0
  Li  Li6  1  0.248  0.503  0.745  1.0
  Li  Li7  1  0.873  0.379  0.624  1.0
  Co  Co8  1  0.877  0.123  0.375  1.0
  Co  Co9  1  0.127  0.127  0.620  1.0
  Co  Co10  1  0.379  0.129  0.876  1.0
  Co  Co11  1  0.879  0.871  0.124  1.0
  Co  Co12  1  0.627  0.873  0.380  1.0
  Co  Co13  1  0.377  0.877  0.625  1.0
  Co  Co14  1  0.499  0.755  0.007  1.0
  Co  Co15  1  0.118  0.627  0.121  1.0
  Co  Co16  1  0.875  0.627  0.883  1.0
  Co  Co17  1  0.630  0.628  0.632  1.0
  Co  Co18  1  0.130  0.372  0.368  1.0
  Co  Co19  1  0.375  0.373  0.117  1.0
  Co  Co20  1  0.618  0.373  0.879  1.0
  Co  Co21  1  0.999  0.245  0.993  1.0
  O  O22  1  0.362  0.149  0.096  1.0
  O  O23  1  0.600  0.151  0.864  1.0
  O  O24  1  0.113  0.136  0.386  1.0
  O  O25  1  0.904  0.113  0.601  1.0
  O  O26  1  0.141  0.138  0.855  1.0
  O  O27  1  0.361  0.112  0.642  1.0
  O  O28  1  0.891  0.105  0.141  1.0
  O  O29  1  0.657  0.101  0.386  1.0
  O  O30  1  0.157  0.899  0.614  1.0
  O  O31  1  0.391  0.895  0.859  1.0
  O  O32  1  0.861  0.888  0.358  1.0
  O  O33  1  0.641  0.862  0.145  1.0
  O  O34  1  0.404  0.887  0.399  1.0
  O  O35  1  0.613  0.864  0.614  1.0
  O  O36  1  0.100  0.849  0.136  1.0
  O  O37  1  0.862  0.851  0.904  1.0
  O  O38  1  0.631  0.649  0.401  1.0
  O  O39  1  0.396  0.654  0.630  1.0
  O  O40  1  0.887  0.635  0.116  1.0
  O  O41  1  0.094  0.615  0.897  1.0
  O  O42  1  0.854  0.633  0.652  1.0
  O  O43  1  0.636  0.612  0.870  1.0
  O  O44  1  0.120  0.595  0.351  1.0
  O  O45  1  0.354  0.613  0.117  1.0
  O  O46  1  0.854  0.387  0.883  1.0
  O  O47  1  0.620  0.405  0.649  1.0
  O  O48  1  0.136  0.388  0.130  1.0
  O  O49  1  0.354  0.367  0.348  1.0
  O  O50  1  0.594  0.385  0.103  1.0
  O  O51  1  0.387  0.365  0.884  1.0
  O  O52  1  0.896  0.346  0.370  1.0
  O  O53  1  0.131  0.351  0.599  1.0
[/CIF]
.