The material described by Li5Fe5Si7O24 crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(11), one O(18), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra, and  an edgeedge with one Fe(2)O4 tetrahedra. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(14), one O(15), one O(16), and one O(7) atom. In the third Li site, Li(3) is bonded to one O(14), one O(16), one O(17), and one O(24) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  an edgeedge with one Fe(2)O4 tetrahedra, and  an edgeedge with one Fe(4)O4 tetrahedra. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(13), one O(20), one O(21), and one O(23) atom. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(21), one O(22), one O(23), and one O(6) atom. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(11), one O(13), and one O(6) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. In the second Fe site, Fe(2) is bonded to one O(14), one O(17), one O(18), and one O(9) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the third Fe site, Fe(3) is bonded to one O(13), one O(15), one O(17), and one O(21) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the fourth Fe site, Fe(4) is bonded to one O(16), one O(20), one O(22), and one O(24) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(5)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fifth Fe site, Fe(5) is bonded to one O(19), one O(20), one O(23), and one O(4) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and  a cornercorner with one Si(7)O4 tetrahedra. There are seven inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(2), one O(21), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(2), one O(24), one O(3), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the third Si site, Si(3) is bonded to one O(1), one O(3), one O(5), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(7)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(10), one O(12), one O(4), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(11), one O(16), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the sixth Si site, Si(6) is bonded to one O(12), one O(14), one O(15), and one O(19) atom to form SiO4 tetrahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the seventh Si site, Si(7) is bonded to one O(1), one O(18), one O(22), and one O(23) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one Si(3) and one Si(7) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Si(2) and one Si(3) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Fe(5) and one Si(4) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(3) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(5), one Fe(1), and one Si(1) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Li(2), one Si(2), and one Si(5) atom. In the eighth O site, O(8) is bonded in a linear geometry to one Si(4) and one Si(5) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Li(1), one Fe(2), and one Si(3) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Li(1), one Fe(1), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one Si(5) atom. In the twelfth O site, O(12) is bonded in a linear geometry to one Si(4) and one Si(6) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Li(4), one Fe(1), and one Fe(3) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(3), one Fe(2), and one Si(6) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Fe(3), and one Si(6) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(4), and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Li(3), one Fe(2), and one Fe(3) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Li(1), one Fe(2), and one Si(7) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one Fe(5) and one Si(6) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Li(4), one Fe(4), and one Fe(5) atom. In the twenty-first O site, O(21) is bonded in a rectangular see-saw-like geometry to one Li(4), one Li(5), one Fe(3), and one Si(1) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Li(5), one Fe(4), and one Si(7) atom. In the twenty-third O site, O(23) is bonded in a 4-coordinate geometry to one Li(4), one Li(5), one Fe(5), and one Si(7) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Li(3), one Fe(4), and one Si(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Fe5Si7O24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.849
_cell_length_b   7.977
_cell_length_c   9.318
_cell_angle_alpha   89.672
_cell_angle_beta   89.959
_cell_angle_gamma   89.657
_symmetry_Int_Tables_number   1
_cell_volume   583.402
_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  0.301  0.577  0.746  1.0
  Li  Li1  1  0.756  0.500  0.249  1.0
  Li  Li2  1  0.538  0.255  0.280  1.0
  Li  Li3  1  0.027  0.239  0.966  1.0
  Li  Li4  1  0.243  0.999  0.005  1.0
  Fe  Fe5  1  0.171  0.615  0.003  1.0
  Fe  Fe6  1  0.418  0.433  0.506  1.0
  Fe  Fe7  1  0.116  0.322  0.259  1.0
  Fe  Fe8  1  0.625  0.177  0.997  1.0
  Fe  Fe9  1  0.914  0.065  0.730  1.0
  Si  Si10  1  0.070  0.911  0.254  1.0
  Si  Si11  1  0.667  0.879  0.251  1.0
  Si  Si12  1  0.368  0.846  0.489  1.0
  Si  Si13  1  0.878  0.657  0.757  1.0
  Si  Si14  1  0.595  0.588  0.008  1.0
  Si  Si15  1  0.832  0.382  0.508  1.0
  Si  Si16  1  0.333  0.128  0.740  1.0
  O  O17  1  0.375  0.991  0.613  1.0
  O  O18  1  0.870  0.873  0.296  1.0
  O  O19  1  0.542  0.856  0.390  1.0
  O  O20  1  0.855  0.845  0.699  1.0
  O  O21  1  0.194  0.878  0.393  1.0
  O  O22  1  0.139  0.803  0.116  1.0
  O  O23  1  0.642  0.711  0.147  1.0
  O  O24  1  0.740  0.616  0.886  1.0
  O  O25  1  0.364  0.658  0.560  1.0
  O  O26  1  0.073  0.624  0.817  1.0
  O  O27  1  0.406  0.621  0.941  1.0
  O  O28  1  0.839  0.527  0.628  1.0
  O  O29  1  0.087  0.420  0.077  1.0
  O  O30  1  0.641  0.391  0.432  1.0
  O  O31  1  0.949  0.431  0.368  1.0
  O  O32  1  0.616  0.401  0.083  1.0
  O  O33  1  0.327  0.343  0.341  1.0
  O  O34  1  0.361  0.320  0.680  1.0
  O  O35  1  0.877  0.199  0.570  1.0
  O  O36  1  0.824  0.154  0.902  1.0
  O  O37  1  0.094  0.100  0.187  1.0
  O  O38  1  0.445  0.093  0.887  1.0
  O  O39  1  0.142  0.099  0.809  1.0
  O  O40  1  0.611  0.055  0.175  1.0
[/CIF]
.
The material described by Li5Fe5Si7O24 crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(11), one O(18), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra, and  an edgeedge with one Fe(2)O4 tetrahedra. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(14), one O(15), one O(16), and one O(7) atom. In the third Li site, Li(3) is bonded to one O(14), one O(16), one O(17), and one O(24) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  an edgeedge with one Fe(2)O4 tetrahedra, and  an edgeedge with one Fe(4)O4 tetrahedra. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(13), one O(20), one O(21), and one O(23) atom. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(21), one O(22), one O(23), and one O(6) atom. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(11), one O(13), and one O(6) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. In the second Fe site, Fe(2) is bonded to one O(14), one O(17), one O(18), and one O(9) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the third Fe site, Fe(3) is bonded to one O(13), one O(15), one O(17), and one O(21) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the fourth Fe site, Fe(4) is bonded to one O(16), one O(20), one O(22), and one O(24) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(5)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fifth Fe site, Fe(5) is bonded to one O(19), one O(20), one O(23), and one O(4) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and  a cornercorner with one Si(7)O4 tetrahedra. There are seven inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(2), one O(21), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(2), one O(24), one O(3), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the third Si site, Si(3) is bonded to one O(1), one O(3), one O(5), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(7)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(10), one O(12), one O(4), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(11), one O(16), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the sixth Si site, Si(6) is bonded to one O(12), one O(14), one O(15), and one O(19) atom to form SiO4 tetrahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(3)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the seventh Si site, Si(7) is bonded to one O(1), one O(18), one O(22), and one O(23) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one Si(3) and one Si(7) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Si(2) and one Si(3) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Fe(5) and one Si(4) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(3) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(5), one Fe(1), and one Si(1) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Li(2), one Si(2), and one Si(5) atom. In the eighth O site, O(8) is bonded in a linear geometry to one Si(4) and one Si(5) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Li(1), one Fe(2), and one Si(3) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Li(1), one Fe(1), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one Si(5) atom. In the twelfth O site, O(12) is bonded in a linear geometry to one Si(4) and one Si(6) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Li(4), one Fe(1), and one Fe(3) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(3), one Fe(2), and one Si(6) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Fe(3), and one Si(6) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(4), and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Li(3), one Fe(2), and one Fe(3) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Li(1), one Fe(2), and one Si(7) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one Fe(5) and one Si(6) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Li(4), one Fe(4), and one Fe(5) atom. In the twenty-first O site, O(21) is bonded in a rectangular see-saw-like geometry to one Li(4), one Li(5), one Fe(3), and one Si(1) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Li(5), one Fe(4), and one Si(7) atom. In the twenty-third O site, O(23) is bonded in a 4-coordinate geometry to one Li(4), one Li(5), one Fe(5), and one Si(7) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Li(3), one Fe(4), and one Si(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Fe5Si7O24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.849
_cell_length_b   7.977
_cell_length_c   9.318
_cell_angle_alpha   89.672
_cell_angle_beta   89.959
_cell_angle_gamma   89.657
_symmetry_Int_Tables_number   1
_cell_volume   583.402
_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  0.301  0.577  0.746  1.0
  Li  Li1  1  0.756  0.500  0.249  1.0
  Li  Li2  1  0.538  0.255  0.280  1.0
  Li  Li3  1  0.027  0.239  0.966  1.0
  Li  Li4  1  0.243  0.999  0.005  1.0
  Fe  Fe5  1  0.171  0.615  0.003  1.0
  Fe  Fe6  1  0.418  0.433  0.506  1.0
  Fe  Fe7  1  0.116  0.322  0.259  1.0
  Fe  Fe8  1  0.625  0.177  0.997  1.0
  Fe  Fe9  1  0.914  0.065  0.730  1.0
  Si  Si10  1  0.070  0.911  0.254  1.0
  Si  Si11  1  0.667  0.879  0.251  1.0
  Si  Si12  1  0.368  0.846  0.489  1.0
  Si  Si13  1  0.878  0.657  0.757  1.0
  Si  Si14  1  0.595  0.588  0.008  1.0
  Si  Si15  1  0.832  0.382  0.508  1.0
  Si  Si16  1  0.333  0.128  0.740  1.0
  O  O17  1  0.375  0.991  0.613  1.0
  O  O18  1  0.870  0.873  0.296  1.0
  O  O19  1  0.542  0.856  0.390  1.0
  O  O20  1  0.855  0.845  0.699  1.0
  O  O21  1  0.194  0.878  0.393  1.0
  O  O22  1  0.139  0.803  0.116  1.0
  O  O23  1  0.642  0.711  0.147  1.0
  O  O24  1  0.740  0.616  0.886  1.0
  O  O25  1  0.364  0.658  0.560  1.0
  O  O26  1  0.073  0.624  0.817  1.0
  O  O27  1  0.406  0.621  0.941  1.0
  O  O28  1  0.839  0.527  0.628  1.0
  O  O29  1  0.087  0.420  0.077  1.0
  O  O30  1  0.641  0.391  0.432  1.0
  O  O31  1  0.949  0.431  0.368  1.0
  O  O32  1  0.616  0.401  0.083  1.0
  O  O33  1  0.327  0.343  0.341  1.0
  O  O34  1  0.361  0.320  0.680  1.0
  O  O35  1  0.877  0.199  0.570  1.0
  O  O36  1  0.824  0.154  0.902  1.0
  O  O37  1  0.094  0.100  0.187  1.0
  O  O38  1  0.445  0.093  0.887  1.0
  O  O39  1  0.142  0.099  0.809  1.0
  O  O40  1  0.611  0.055  0.175  1.0
[/CIF]
.