The compound described by Li3Co2Si3O10 is Chalcostibite-derived structured and crystallizes in the triclinic P1 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(17), one O(4), one O(7), and one O(9) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(3)O4 tetrahedra, corners with three equivalent Si(4)O4 tetrahedra,  an edgeedge with one Co(2)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the second Li site, Li(2) is bonded in a 5-coordinate geometry to one O(10), one O(16), one O(2), one O(20), and one O(8) atom. In the third Li site, Li(3) is bonded to one O(15), one O(18), one O(3), and one O(8) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Si(5)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids,  an edgeedge with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the fourth Li site, Li(4) is bonded to one O(13), one O(18), one O(3), and one O(6) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(5)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra, corners with three equivalent Co(4)O5 trigonal bipyramids,  an edgeedge with one Co(1)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fifth Li site, Li(5) is bonded in a distorted pentagonal planar geometry to one O(1), one O(11), one O(13), one O(19), and one O(5) atom. In the sixth Li site, Li(6) is bonded to one O(12), one O(14), one O(17), and one O(4) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(4)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, corners with three equivalent Co(2)O5 trigonal bipyramids, and  an edgeedge with one Li(1)O4 trigonal pyramid. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(15), one O(18), one O(20), one O(6), and one O(8) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Si(5)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the second Co site, Co(2) is bonded to one O(12), one O(14), one O(2), one O(4), and one O(7) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, corners with three equivalent Li(6)O4 trigonal pyramids, and  an edgeedge with one Li(1)O4 trigonal pyramid. In the third Co site, Co(3) is bonded in a 5-coordinate geometry to one O(14), one O(17), one O(19), one O(7), and one O(9) atom. In the fourth Co site, Co(4) is bonded to one O(1), one O(13), one O(15), one O(3), and one O(6) 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 Si(2)O4 tetrahedra, corners with three equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Co(1)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(11), one O(19), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Co(4)O5 trigonal bipyramid. In the second Si site, Si(2) is bonded to one O(13), one O(3), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, corners with three equivalent Co(4)O5 trigonal bipyramids,  a cornercorner with one Li(3)O4 trigonal pyramid, and corners with three equivalent Li(4)O4 trigonal pyramids. In the third Si site, Si(3) is bonded to one O(10), one O(12), one O(14), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Co(2)O5 trigonal bipyramids,  a cornercorner with one Li(1)O4 trigonal pyramid, and corners with three equivalent Li(6)O4 trigonal pyramids. In the fourth Si site, Si(4) is bonded to one O(11), one O(17), one O(7), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Li(6)O4 trigonal pyramid, and corners with three equivalent Li(1)O4 trigonal pyramids. In the fifth Si site, Si(5) is bonded to one O(15), one O(16), one O(18), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Co(4)O5 trigonal bipyramid, corners with three equivalent Co(1)O5 trigonal bipyramids,  a cornercorner with one Li(4)O4 trigonal pyramid, and corners with three equivalent Li(3)O4 trigonal pyramids. In the sixth Si site, Si(6) is bonded to one O(10), one O(16), one O(2), and one O(20) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, 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 distorted trigonal planar geometry to one Li(5), one Co(4), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(2), one Co(2), and one Si(6) atom. In the third O site, O(3) is bonded to one Li(3), one Li(4), one Co(4), and one Si(2) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(6)LiCo2Si tetrahedra,  an edgeedge with one O(18)Li2CoSi tetrahedra, and  an edgeedge with one O(15)LiCo2Si tetrahedra. In the fourth O site, O(4) is bonded to one Li(1), one Li(6), one Co(2), and one Si(3) atom to form distorted OLi2CoSi tetrahedra that share  an edgeedge with one O(17)Li2CoSi tetrahedra and  an edgeedge with one O(7)LiCo2Si tetrahedra. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(5), one Si(1), and one Si(2) atom. In the sixth O site, O(6) is bonded to one Li(4), one Co(1), one Co(4), and one Si(2) atom to form distorted OLiCo2Si tetrahedra that share corners with three equivalent O(3)Li2CoSi tetrahedra,  an edgeedge with one O(18)Li2CoSi tetrahedra, and  an edgeedge with one O(15)LiCo2Si tetrahedra. In the seventh O site, O(7) is bonded to one Li(1), one Co(2), one Co(3), and one Si(4) atom to form a mixture of distorted corner and edge-sharing OLiCo2Si tetrahedra. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Co(1), and one Si(5) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(1), one Co(3), and one Si(4) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Li(2), one Si(3), and one Si(6) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Li(5), one Si(1), and one Si(4) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(6), one Co(2), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Li(4), one Li(5), one Co(4), and one Si(2) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Li(6), one Co(2), one Co(3), and one Si(3) atom. In the fifteenth O site, O(15) is bonded to one Li(3), one Co(1), one Co(4), and one Si(5) atom to form distorted OLiCo2Si tetrahedra that share corners with three equivalent O(18)Li2CoSi tetrahedra,  an edgeedge with one O(3)Li2CoSi tetrahedra, and  an edgeedge with one O(6)LiCo2Si tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Li(2), one Si(5), and one Si(6) atom. In the seventeenth O site, O(17) is bonded to one Li(1), one Li(6), one Co(3), and one Si(4) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(7)LiCo2Si tetrahedra and  an edgeedge with one O(4)Li2CoSi tetrahedra. In the eighteenth O site, O(18) is bonded to one Li(3), one Li(4), one Co(1), and one Si(5) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(15)LiCo2Si tetrahedra,  an edgeedge with one O(3)Li2CoSi tetrahedra, and  an edgeedge with one O(6)LiCo2Si tetrahedra. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Li(5), one Co(3), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(1), and one Si(6) atom. is represented by the CIF file [CIF]
data_Li3Co2Si3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.347
_cell_length_b   5.362
_cell_length_c   16.944
_cell_angle_alpha   90.767
_cell_angle_beta   94.821
_cell_angle_gamma   119.217
_symmetry_Int_Tables_number   1
_cell_volume   421.734
_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  0.502  0.676  0.056  1.0
  Li  Li1  1  0.376  0.555  0.730  1.0
  Li  Li2  1  0.503  0.824  0.554  1.0
  Li  Li3  1  0.498  0.177  0.446  1.0
  Li  Li4  1  0.616  0.441  0.266  1.0
  Li  Li5  1  0.499  0.325  0.948  1.0
  Co  Co6  1  0.187  0.177  0.587  1.0
  Co  Co7  1  0.813  0.996  0.917  1.0
  Co  Co8  1  0.195  0.009  0.089  1.0
  Co  Co9  1  0.812  0.825  0.414  1.0
  Si  Si10  1  0.009  0.140  0.250  1.0
  Si  Si11  1  0.150  0.477  0.403  1.0
  Si  Si12  1  0.149  0.665  0.898  1.0
  Si  Si13  1  0.853  0.332  0.098  1.0
  Si  Si14  1  0.849  0.526  0.597  1.0
  Si  Si15  1  0.991  0.861  0.750  1.0
  O  O16  1  0.800  0.864  0.297  1.0
  O  O17  1  0.773  0.889  0.807  1.0
  O  O18  1  0.429  0.782  0.437  1.0
  O  O19  1  0.442  0.662  0.934  1.0
  O  O20  1  0.228  0.408  0.316  1.0
  O  O21  1  0.131  0.210  0.455  1.0
  O  O22  1  0.856  0.057  0.052  1.0
  O  O23  1  0.161  0.536  0.605  1.0
  O  O24  1  0.147  0.629  0.086  1.0
  O  O25  1  0.171  0.724  0.803  1.0
  O  O26  1  0.826  0.266  0.194  1.0
  O  O27  1  0.858  0.361  0.911  1.0
  O  O28  1  0.840  0.471  0.397  1.0
  O  O29  1  0.135  0.935  0.943  1.0
  O  O30  1  0.864  0.790  0.544  1.0
  O  O31  1  0.766  0.599  0.684  1.0
  O  O32  1  0.564  0.344  0.063  1.0
  O  O33  1  0.573  0.219  0.564  1.0
  O  O34  1  0.234  0.108  0.199  1.0
  O  O35  1  0.198  0.141  0.706  1.0
[/CIF]
.
The compound described by Li3Co2Si3O10 is Chalcostibite-derived structured and crystallizes in the triclinic P1 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(17), one O(4), one O(7), and one O(9) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(3)O4 tetrahedra, corners with three equivalent Si(4)O4 tetrahedra,  an edgeedge with one Co(2)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the second Li site, Li(2) is bonded in a 5-coordinate geometry to one O(10), one O(16), one O(2), one O(20), and one O(8) atom. In the third Li site, Li(3) is bonded to one O(15), one O(18), one O(3), and one O(8) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra, corners with three equivalent Si(5)O4 tetrahedra, corners with three equivalent Co(1)O5 trigonal bipyramids,  an edgeedge with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the fourth Li site, Li(4) is bonded to one O(13), one O(18), one O(3), and one O(6) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(5)O4 tetrahedra, corners with three equivalent Si(2)O4 tetrahedra, corners with three equivalent Co(4)O5 trigonal bipyramids,  an edgeedge with one Co(1)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fifth Li site, Li(5) is bonded in a distorted pentagonal planar geometry to one O(1), one O(11), one O(13), one O(19), and one O(5) atom. In the sixth Li site, Li(6) is bonded to one O(12), one O(14), one O(17), and one O(4) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Si(4)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, corners with three equivalent Co(2)O5 trigonal bipyramids, and  an edgeedge with one Li(1)O4 trigonal pyramid. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(15), one O(18), one O(20), one O(6), and one O(8) atom to form CoO5 trigonal bipyramids that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Si(5)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Co(4)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the second Co site, Co(2) is bonded to one O(12), one O(14), one O(2), one O(4), and one O(7) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra, corners with three equivalent Li(6)O4 trigonal pyramids, and  an edgeedge with one Li(1)O4 trigonal pyramid. In the third Co site, Co(3) is bonded in a 5-coordinate geometry to one O(14), one O(17), one O(19), one O(7), and one O(9) atom. In the fourth Co site, Co(4) is bonded to one O(1), one O(13), one O(15), one O(3), and one O(6) 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 Si(2)O4 tetrahedra, corners with three equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Co(1)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(11), one O(19), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Co(4)O5 trigonal bipyramid. In the second Si site, Si(2) is bonded to one O(13), one O(3), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, corners with three equivalent Co(4)O5 trigonal bipyramids,  a cornercorner with one Li(3)O4 trigonal pyramid, and corners with three equivalent Li(4)O4 trigonal pyramids. In the third Si site, Si(3) is bonded to one O(10), one O(12), one O(14), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(6)O4 tetrahedra, corners with three equivalent Co(2)O5 trigonal bipyramids,  a cornercorner with one Li(1)O4 trigonal pyramid, and corners with three equivalent Li(6)O4 trigonal pyramids. In the fourth Si site, Si(4) is bonded to one O(11), one O(17), one O(7), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Co(2)O5 trigonal bipyramid,  a cornercorner with one Li(6)O4 trigonal pyramid, and corners with three equivalent Li(1)O4 trigonal pyramids. In the fifth Si site, Si(5) is bonded to one O(15), one O(16), one O(18), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Co(4)O5 trigonal bipyramid, corners with three equivalent Co(1)O5 trigonal bipyramids,  a cornercorner with one Li(4)O4 trigonal pyramid, and corners with three equivalent Li(3)O4 trigonal pyramids. In the sixth Si site, Si(6) is bonded to one O(10), one O(16), one O(2), and one O(20) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Co(1)O5 trigonal bipyramid, 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 distorted trigonal planar geometry to one Li(5), one Co(4), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(2), one Co(2), and one Si(6) atom. In the third O site, O(3) is bonded to one Li(3), one Li(4), one Co(4), and one Si(2) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(6)LiCo2Si tetrahedra,  an edgeedge with one O(18)Li2CoSi tetrahedra, and  an edgeedge with one O(15)LiCo2Si tetrahedra. In the fourth O site, O(4) is bonded to one Li(1), one Li(6), one Co(2), and one Si(3) atom to form distorted OLi2CoSi tetrahedra that share  an edgeedge with one O(17)Li2CoSi tetrahedra and  an edgeedge with one O(7)LiCo2Si tetrahedra. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(5), one Si(1), and one Si(2) atom. In the sixth O site, O(6) is bonded to one Li(4), one Co(1), one Co(4), and one Si(2) atom to form distorted OLiCo2Si tetrahedra that share corners with three equivalent O(3)Li2CoSi tetrahedra,  an edgeedge with one O(18)Li2CoSi tetrahedra, and  an edgeedge with one O(15)LiCo2Si tetrahedra. In the seventh O site, O(7) is bonded to one Li(1), one Co(2), one Co(3), and one Si(4) atom to form a mixture of distorted corner and edge-sharing OLiCo2Si tetrahedra. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Co(1), and one Si(5) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(1), one Co(3), and one Si(4) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Li(2), one Si(3), and one Si(6) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Li(5), one Si(1), and one Si(4) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Li(6), one Co(2), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Li(4), one Li(5), one Co(4), and one Si(2) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Li(6), one Co(2), one Co(3), and one Si(3) atom. In the fifteenth O site, O(15) is bonded to one Li(3), one Co(1), one Co(4), and one Si(5) atom to form distorted OLiCo2Si tetrahedra that share corners with three equivalent O(18)Li2CoSi tetrahedra,  an edgeedge with one O(3)Li2CoSi tetrahedra, and  an edgeedge with one O(6)LiCo2Si tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Li(2), one Si(5), and one Si(6) atom. In the seventeenth O site, O(17) is bonded to one Li(1), one Li(6), one Co(3), and one Si(4) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(7)LiCo2Si tetrahedra and  an edgeedge with one O(4)Li2CoSi tetrahedra. In the eighteenth O site, O(18) is bonded to one Li(3), one Li(4), one Co(1), and one Si(5) atom to form distorted OLi2CoSi tetrahedra that share corners with three equivalent O(15)LiCo2Si tetrahedra,  an edgeedge with one O(3)Li2CoSi tetrahedra, and  an edgeedge with one O(6)LiCo2Si tetrahedra. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Li(5), one Co(3), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(1), and one Si(6) atom. is represented by the CIF file [CIF]
data_Li3Co2Si3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.347
_cell_length_b   5.362
_cell_length_c   16.944
_cell_angle_alpha   90.767
_cell_angle_beta   94.821
_cell_angle_gamma   119.217
_symmetry_Int_Tables_number   1
_cell_volume   421.734
_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  0.502  0.676  0.056  1.0
  Li  Li1  1  0.376  0.555  0.730  1.0
  Li  Li2  1  0.503  0.824  0.554  1.0
  Li  Li3  1  0.498  0.177  0.446  1.0
  Li  Li4  1  0.616  0.441  0.266  1.0
  Li  Li5  1  0.499  0.325  0.948  1.0
  Co  Co6  1  0.187  0.177  0.587  1.0
  Co  Co7  1  0.813  0.996  0.917  1.0
  Co  Co8  1  0.195  0.009  0.089  1.0
  Co  Co9  1  0.812  0.825  0.414  1.0
  Si  Si10  1  0.009  0.140  0.250  1.0
  Si  Si11  1  0.150  0.477  0.403  1.0
  Si  Si12  1  0.149  0.665  0.898  1.0
  Si  Si13  1  0.853  0.332  0.098  1.0
  Si  Si14  1  0.849  0.526  0.597  1.0
  Si  Si15  1  0.991  0.861  0.750  1.0
  O  O16  1  0.800  0.864  0.297  1.0
  O  O17  1  0.773  0.889  0.807  1.0
  O  O18  1  0.429  0.782  0.437  1.0
  O  O19  1  0.442  0.662  0.934  1.0
  O  O20  1  0.228  0.408  0.316  1.0
  O  O21  1  0.131  0.210  0.455  1.0
  O  O22  1  0.856  0.057  0.052  1.0
  O  O23  1  0.161  0.536  0.605  1.0
  O  O24  1  0.147  0.629  0.086  1.0
  O  O25  1  0.171  0.724  0.803  1.0
  O  O26  1  0.826  0.266  0.194  1.0
  O  O27  1  0.858  0.361  0.911  1.0
  O  O28  1  0.840  0.471  0.397  1.0
  O  O29  1  0.135  0.935  0.943  1.0
  O  O30  1  0.864  0.790  0.544  1.0
  O  O31  1  0.766  0.599  0.684  1.0
  O  O32  1  0.564  0.344  0.063  1.0
  O  O33  1  0.573  0.219  0.564  1.0
  O  O34  1  0.234  0.108  0.199  1.0
  O  O35  1  0.198  0.141  0.706  1.0
[/CIF]
.