The structure described by Li3Co2Si3O10 is Chalcostibite-derived structured and crystallizes in the monoclinic Cc space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(3), one O(6), and one O(7) atom. In the second Li site, Li(2) is bonded to one O(2), one O(5), one O(6), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(3), and one O(8) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(4), one O(5), one O(6), and one O(9) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(4), one O(5), and one O(8) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Co(1)O5 trigonal bipyramid. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(10), one O(3), and one O(7) 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(2)O5 trigonal bipyramid. In the second Si site, Si(2) is bonded to one O(2), one O(3), one O(4), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and corners with three equivalent Co(2)O5 trigonal bipyramids. In the third Si site, Si(3) is bonded to one O(5), one O(6), one O(7), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and corners with three equivalent Co(1)O5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(3), one Co(2), and one Si(1) atom to form distorted OLi2CoSi trigonal pyramids that share  a cornercorner with one O(6)Li2CoSi tetrahedra and  a cornercorner with one O(5)LiCo2Si trigonal pyramid. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Co(2), and one Si(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Li(1), one Li(3), one Si(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Si(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Co(1), one Co(2), and one Si(3) atom to form distorted corner-sharing OLiCo2Si trigonal pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Co(1), and one Si(3) atom to form distorted OLi2CoSi tetrahedra that share  a cornercorner with one O(1)Li2CoSi trigonal pyramid and corners with three equivalent O(5)LiCo2Si trigonal pyramids. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Si(1), and one Si(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(3), one Co(2), and one Si(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(1), and one Si(3) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(3), one Co(1), and one Si(1) atom. is represented by the CIF file [CIF]
data_Li3Co2Si3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.397
_cell_length_b   5.398
_cell_length_c   16.902
_cell_angle_alpha   96.744
_cell_angle_beta   83.271
_cell_angle_gamma   118.853
_symmetry_Int_Tables_number   1
_cell_volume   427.265
_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  0.428  0.816  0.721  1.0
  Li  Li1  1  0.342  0.852  0.049  1.0
  Li  Li2  1  0.184  0.572  0.221  1.0
  Li  Li3  1  0.148  0.658  0.549  1.0
  Li  Li4  1  0.834  0.439  0.782  1.0
  Li  Li5  1  0.561  0.166  0.282  1.0
  Co  Co6  1  0.807  0.019  0.584  1.0
  Co  Co7  1  0.995  0.813  0.922  1.0
  Co  Co8  1  0.982  0.193  0.084  1.0
  Co  Co9  1  0.187  0.005  0.422  1.0
  Si  Si10  1  0.891  0.892  0.250  1.0
  Si  Si11  1  0.528  0.680  0.400  1.0
  Si  Si12  1  0.320  0.471  0.900  1.0
  Si  Si13  1  0.657  0.530  0.097  1.0
  Si  Si14  1  0.470  0.344  0.597  1.0
  Si  Si15  1  0.108  0.109  0.750  1.0
  O  O16  1  0.149  0.904  0.293  1.0
  O  O17  1  0.096  0.851  0.793  1.0
  O  O18  1  0.244  0.696  0.436  1.0
  O  O19  1  0.304  0.756  0.936  1.0
  O  O20  1  0.601  0.810  0.311  1.0
  O  O21  1  0.798  0.885  0.453  1.0
  O  O22  1  0.903  0.791  0.044  1.0
  O  O23  1  0.450  0.640  0.605  1.0
  O  O24  1  0.360  0.550  0.106  1.0
  O  O25  1  0.189  0.399  0.811  1.0
  O  O26  1  0.795  0.609  0.186  1.0
  O  O27  1  0.649  0.528  0.888  1.0
  O  O28  1  0.472  0.351  0.388  1.0
  O  O29  1  0.115  0.202  0.953  1.0
  O  O30  1  0.208  0.097  0.544  1.0
  O  O31  1  0.392  0.206  0.687  1.0
  O  O32  1  0.632  0.224  0.069  1.0
  O  O33  1  0.777  0.368  0.569  1.0
  O  O34  1  0.934  0.170  0.210  1.0
  O  O35  1  0.830  0.066  0.710  1.0
[/CIF]
.
The structure described by Li3Co2Si3O10 is Chalcostibite-derived structured and crystallizes in the monoclinic Cc space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(3), one O(6), and one O(7) atom. In the second Li site, Li(2) is bonded to one O(2), one O(5), one O(6), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(3), and one O(8) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(4), one O(5), one O(6), and one O(9) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, and  an edgeedge with one Co(2)O5 trigonal bipyramid. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(4), one O(5), and one O(8) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Co(1)O5 trigonal bipyramid. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(10), one O(3), and one O(7) 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(2)O5 trigonal bipyramid. In the second Si site, Si(2) is bonded to one O(2), one O(3), one O(4), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, and corners with three equivalent Co(2)O5 trigonal bipyramids. In the third Si site, Si(3) is bonded to one O(5), one O(6), one O(7), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid, and corners with three equivalent Co(1)O5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(3), one Co(2), and one Si(1) atom to form distorted OLi2CoSi trigonal pyramids that share  a cornercorner with one O(6)Li2CoSi tetrahedra and  a cornercorner with one O(5)LiCo2Si trigonal pyramid. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Co(2), and one Si(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Li(1), one Li(3), one Si(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Si(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Co(1), one Co(2), and one Si(3) atom to form distorted corner-sharing OLiCo2Si trigonal pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Co(1), and one Si(3) atom to form distorted OLi2CoSi tetrahedra that share  a cornercorner with one O(1)Li2CoSi trigonal pyramid and corners with three equivalent O(5)LiCo2Si trigonal pyramids. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Si(1), and one Si(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(3), one Co(2), and one Si(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(1), and one Si(3) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(3), one Co(1), and one Si(1) atom. is represented by the CIF file [CIF]
data_Li3Co2Si3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.397
_cell_length_b   5.398
_cell_length_c   16.902
_cell_angle_alpha   96.744
_cell_angle_beta   83.271
_cell_angle_gamma   118.853
_symmetry_Int_Tables_number   1
_cell_volume   427.265
_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  0.428  0.816  0.721  1.0
  Li  Li1  1  0.342  0.852  0.049  1.0
  Li  Li2  1  0.184  0.572  0.221  1.0
  Li  Li3  1  0.148  0.658  0.549  1.0
  Li  Li4  1  0.834  0.439  0.782  1.0
  Li  Li5  1  0.561  0.166  0.282  1.0
  Co  Co6  1  0.807  0.019  0.584  1.0
  Co  Co7  1  0.995  0.813  0.922  1.0
  Co  Co8  1  0.982  0.193  0.084  1.0
  Co  Co9  1  0.187  0.005  0.422  1.0
  Si  Si10  1  0.891  0.892  0.250  1.0
  Si  Si11  1  0.528  0.680  0.400  1.0
  Si  Si12  1  0.320  0.471  0.900  1.0
  Si  Si13  1  0.657  0.530  0.097  1.0
  Si  Si14  1  0.470  0.344  0.597  1.0
  Si  Si15  1  0.108  0.109  0.750  1.0
  O  O16  1  0.149  0.904  0.293  1.0
  O  O17  1  0.096  0.851  0.793  1.0
  O  O18  1  0.244  0.696  0.436  1.0
  O  O19  1  0.304  0.756  0.936  1.0
  O  O20  1  0.601  0.810  0.311  1.0
  O  O21  1  0.798  0.885  0.453  1.0
  O  O22  1  0.903  0.791  0.044  1.0
  O  O23  1  0.450  0.640  0.605  1.0
  O  O24  1  0.360  0.550  0.106  1.0
  O  O25  1  0.189  0.399  0.811  1.0
  O  O26  1  0.795  0.609  0.186  1.0
  O  O27  1  0.649  0.528  0.888  1.0
  O  O28  1  0.472  0.351  0.388  1.0
  O  O29  1  0.115  0.202  0.953  1.0
  O  O30  1  0.208  0.097  0.544  1.0
  O  O31  1  0.392  0.206  0.687  1.0
  O  O32  1  0.632  0.224  0.069  1.0
  O  O33  1  0.777  0.368  0.569  1.0
  O  O34  1  0.934  0.170  0.210  1.0
  O  O35  1  0.830  0.066  0.710  1.0
[/CIF]
.