The structure described by Li5Co4(Si3O10)2 is Chalcostibite-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(19), and one O(3) atom. In the second Li site, Li(2) is bonded to one O(16), one O(17), one O(5), and one O(9) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Si(5)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Co(1)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(12), one O(16), one O(4), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(5)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(11), one O(18), one O(2), and one O(20) atom. In the fifth Li site, Li(5) is bonded to one O(13), one O(14), one O(15), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra, corners with three equivalent Si(4)O4 tetrahedra, corners with three equivalent Co(2)O5 trigonal bipyramids, and  an edgeedge with one Co(3)O5 trigonal bipyramid. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(12), one O(17), one O(4), and one O(5) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the second Co site, Co(2) is bonded to one O(14), one O(15), one O(2), one O(7), and one O(8) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Li(5)O4 tetrahedra, corners with three equivalent Si(4)O4 tetrahedra, and  an edgeedge with one Co(3)O5 trigonal bipyramid. In the third Co site, Co(3) is bonded to one O(13), one O(14), one O(19), one O(6), and one O(7) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the fourth Co site, Co(4) is bonded in a 4-coordinate geometry to one O(16), one O(17), one O(20), and one O(9) atom. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(10), one O(19), and one O(3) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  a cornercorner with one Co(3)O5 trigonal bipyramid. In the second Si site, Si(2) is bonded to one O(12), one O(3), one O(4), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the third Si site, Si(3) is bonded to one O(10), one O(13), one O(6), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and corners with three equivalent Co(3)O5 trigonal bipyramids. In the fourth Si site, Si(4) is bonded to one O(11), one O(14), one O(15), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Li(5)O4 tetrahedra,  a cornercorner with one Co(3)O5 trigonal bipyramid, and corners with three equivalent Co(2)O5 trigonal bipyramids. In the fifth Si site, Si(5) is bonded to one O(16), one O(17), one O(18), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and corners with three equivalent Li(2)O4 trigonal pyramids. In the sixth Si site, Si(6) is bonded to one O(11), one O(18), one O(2), and one O(20) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Co(1), and one Si(1) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(4), one Co(2), and one Si(6) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Si(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(3), one Co(1), and one Si(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Co(1), and one Si(2) atom to form distorted OLi2CoSi trigonal pyramids that share  an edgeedge with one O(16)Li2CoSi tetrahedra and  an edgeedge with one O(17)LiCo2Si tetrahedra. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Co(3) and one Si(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(3), and one Si(3) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(5), one Co(2), and one Si(4) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(2), one Co(4), and one Si(5) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(1), one Si(1), and one Si(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(4), one Si(4), and one Si(6) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(3), one Co(1), and one Si(2) atom. In the thirteenth O site, O(13) is bonded in a trigonal non-coplanar geometry to one Li(5), one Co(3), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Li(5), one Co(2), one Co(3), and one Si(4) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Li(5), one Co(2), and one Si(4) atom. In the sixteenth O site, O(16) is bonded to one Li(2), one Li(3), one Co(4), and one Si(5) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(17)LiCo2Si tetrahedra and  an edgeedge with one O(5)Li2CoSi trigonal pyramid. In the seventeenth O site, O(17) is bonded to one Li(2), one Co(1), one Co(4), and one Si(5) atom to form a mixture of distorted corner and edge-sharing OLiCo2Si tetrahedra. In the eighteenth O site, O(18) is bonded in a trigonal planar geometry to one Li(4), one Si(5), and one Si(6) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(3), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Li(4), one Co(4), and one Si(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Co4(Si3O10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.341
_cell_length_b   5.413
_cell_length_c   17.051
_cell_angle_alpha   94.035
_cell_angle_beta   90.190
_cell_angle_gamma   119.253
_symmetry_Int_Tables_number   1
_cell_volume   428.648
_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  0.158  0.594  0.761  1.0
  Li  Li1  1  0.172  0.508  0.446  1.0
  Li  Li2  1  0.819  0.494  0.552  1.0
  Li  Li3  1  0.837  0.395  0.250  1.0
  Li  Li4  1  0.664  0.499  0.046  1.0
  Co  Co5  1  0.173  0.176  0.581  1.0
  Co  Co6  1  0.013  0.186  0.083  1.0
  Co  Co7  1  0.009  0.825  0.912  1.0
  Co  Co8  1  0.813  0.809  0.409  1.0
  Si  Si9  1  0.862  0.002  0.749  1.0
  Si  Si10  1  0.511  0.842  0.602  1.0
  Si  Si11  1  0.700  0.173  0.902  1.0
  Si  Si12  1  0.329  0.840  0.098  1.0
  Si  Si13  1  0.471  0.154  0.404  1.0
  Si  Si14  1  0.142  0.999  0.250  1.0
  O  O15  1  0.100  0.215  0.692  1.0
  O  O16  1  0.046  0.187  0.199  1.0
  O  O17  1  0.544  0.821  0.699  1.0
  O  O18  1  0.796  0.855  0.561  1.0
  O  O19  1  0.219  0.557  0.567  1.0
  O  O20  1  0.376  0.902  0.897  1.0
  O  O21  1  0.911  0.099  0.954  1.0
  O  O22  1  0.329  0.544  0.070  1.0
  O  O23  1  0.474  0.859  0.413  1.0
  O  O24  1  0.833  0.228  0.814  1.0
  O  O25  1  0.240  0.809  0.190  1.0
  O  O26  1  0.496  0.134  0.589  1.0
  O  O27  1  0.713  0.467  0.936  1.0
  O  O28  1  0.070  0.863  0.052  1.0
  O  O29  1  0.633  0.132  0.089  1.0
  O  O30  1  0.771  0.434  0.437  1.0
  O  O31  1  0.193  0.149  0.449  1.0
  O  O32  1  0.436  0.200  0.308  1.0
  O  O33  1  0.935  0.793  0.795  1.0
  O  O34  1  0.892  0.766  0.298  1.0
[/CIF]
.
The structure described by Li5Co4(Si3O10)2 is Chalcostibite-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(19), and one O(3) atom. In the second Li site, Li(2) is bonded to one O(16), one O(17), one O(5), and one O(9) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Si(5)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Co(1)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(12), one O(16), one O(4), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(5)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(11), one O(18), one O(2), and one O(20) atom. In the fifth Li site, Li(5) is bonded to one O(13), one O(14), one O(15), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra, corners with three equivalent Si(4)O4 tetrahedra, corners with three equivalent Co(2)O5 trigonal bipyramids, and  an edgeedge with one Co(3)O5 trigonal bipyramid. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(12), one O(17), one O(4), and one O(5) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the second Co site, Co(2) is bonded to one O(14), one O(15), one O(2), one O(7), and one O(8) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Li(5)O4 tetrahedra, corners with three equivalent Si(4)O4 tetrahedra, and  an edgeedge with one Co(3)O5 trigonal bipyramid. In the third Co site, Co(3) is bonded to one O(13), one O(14), one O(19), one O(6), and one O(7) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the fourth Co site, Co(4) is bonded in a 4-coordinate geometry to one O(16), one O(17), one O(20), and one O(9) atom. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(10), one O(19), and one O(3) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  a cornercorner with one Co(3)O5 trigonal bipyramid. In the second Si site, Si(2) is bonded to one O(12), one O(3), one O(4), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the third Si site, Si(3) is bonded to one O(10), one O(13), one O(6), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and corners with three equivalent Co(3)O5 trigonal bipyramids. In the fourth Si site, Si(4) is bonded to one O(11), one O(14), one O(15), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Li(5)O4 tetrahedra,  a cornercorner with one Co(3)O5 trigonal bipyramid, and corners with three equivalent Co(2)O5 trigonal bipyramids. In the fifth Si site, Si(5) is bonded to one O(16), one O(17), one O(18), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and corners with three equivalent Li(2)O4 trigonal pyramids. In the sixth Si site, Si(6) is bonded to one O(11), one O(18), one O(2), and one O(20) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Co(2)O5 trigonal bipyramid. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Co(1), and one Si(1) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(4), one Co(2), and one Si(6) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Si(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(3), one Co(1), and one Si(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Co(1), and one Si(2) atom to form distorted OLi2CoSi trigonal pyramids that share  an edgeedge with one O(16)Li2CoSi tetrahedra and  an edgeedge with one O(17)LiCo2Si tetrahedra. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Co(3) and one Si(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(3), and one Si(3) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(5), one Co(2), and one Si(4) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(2), one Co(4), and one Si(5) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(1), one Si(1), and one Si(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(4), one Si(4), and one Si(6) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(3), one Co(1), and one Si(2) atom. In the thirteenth O site, O(13) is bonded in a trigonal non-coplanar geometry to one Li(5), one Co(3), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Li(5), one Co(2), one Co(3), and one Si(4) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Li(5), one Co(2), and one Si(4) atom. In the sixteenth O site, O(16) is bonded to one Li(2), one Li(3), one Co(4), and one Si(5) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(17)LiCo2Si tetrahedra and  an edgeedge with one O(5)Li2CoSi trigonal pyramid. In the seventeenth O site, O(17) is bonded to one Li(2), one Co(1), one Co(4), and one Si(5) atom to form a mixture of distorted corner and edge-sharing OLiCo2Si tetrahedra. In the eighteenth O site, O(18) is bonded in a trigonal planar geometry to one Li(4), one Si(5), and one Si(6) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(3), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Li(4), one Co(4), and one Si(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Co4(Si3O10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.341
_cell_length_b   5.413
_cell_length_c   17.051
_cell_angle_alpha   94.035
_cell_angle_beta   90.190
_cell_angle_gamma   119.253
_symmetry_Int_Tables_number   1
_cell_volume   428.648
_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  0.158  0.594  0.761  1.0
  Li  Li1  1  0.172  0.508  0.446  1.0
  Li  Li2  1  0.819  0.494  0.552  1.0
  Li  Li3  1  0.837  0.395  0.250  1.0
  Li  Li4  1  0.664  0.499  0.046  1.0
  Co  Co5  1  0.173  0.176  0.581  1.0
  Co  Co6  1  0.013  0.186  0.083  1.0
  Co  Co7  1  0.009  0.825  0.912  1.0
  Co  Co8  1  0.813  0.809  0.409  1.0
  Si  Si9  1  0.862  0.002  0.749  1.0
  Si  Si10  1  0.511  0.842  0.602  1.0
  Si  Si11  1  0.700  0.173  0.902  1.0
  Si  Si12  1  0.329  0.840  0.098  1.0
  Si  Si13  1  0.471  0.154  0.404  1.0
  Si  Si14  1  0.142  0.999  0.250  1.0
  O  O15  1  0.100  0.215  0.692  1.0
  O  O16  1  0.046  0.187  0.199  1.0
  O  O17  1  0.544  0.821  0.699  1.0
  O  O18  1  0.796  0.855  0.561  1.0
  O  O19  1  0.219  0.557  0.567  1.0
  O  O20  1  0.376  0.902  0.897  1.0
  O  O21  1  0.911  0.099  0.954  1.0
  O  O22  1  0.329  0.544  0.070  1.0
  O  O23  1  0.474  0.859  0.413  1.0
  O  O24  1  0.833  0.228  0.814  1.0
  O  O25  1  0.240  0.809  0.190  1.0
  O  O26  1  0.496  0.134  0.589  1.0
  O  O27  1  0.713  0.467  0.936  1.0
  O  O28  1  0.070  0.863  0.052  1.0
  O  O29  1  0.633  0.132  0.089  1.0
  O  O30  1  0.771  0.434  0.437  1.0
  O  O31  1  0.193  0.149  0.449  1.0
  O  O32  1  0.436  0.200  0.308  1.0
  O  O33  1  0.935  0.793  0.795  1.0
  O  O34  1  0.892  0.766  0.298  1.0
[/CIF]
.