The structure described by Na4Al3Si7(HO3)8 crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(19), one O(20), one O(21), one O(3), one O(4), and one O(9) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(10), one O(19), one O(20), one O(22), one O(3), and one O(4) atom. In the third Na site, Na(3) is bonded to one O(1), one O(11), one O(17), one O(18), one O(2), and one O(23) atom to form distorted NaO6 pentagonal pyramids that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, edges with two equivalent Na(4)O6 pentagonal pyramids,  an edgeedge with one Al(2)O4 tetrahedra, and  an edgeedge with one Si(1)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to one O(1), one O(12), one O(17), one O(18), one O(2), and one O(24) atom to form distorted NaO6 pentagonal pyramids that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, edges with two equivalent Na(3)O6 pentagonal pyramids,  an edgeedge with one Al(1)O4 tetrahedra, and  an edgeedge with one Si(2)O4 tetrahedra. There are three inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(12), one O(21), and one O(5) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  an edgeedge with one Na(4)O6 pentagonal pyramid. In the second Al site, Al(2) is bonded to one O(11), one O(2), one O(22), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  an edgeedge with one Na(3)O6 pentagonal pyramid. In the third Al site, Al(3) is bonded to one O(10), one O(23), one O(3), and one O(7) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. There are seven inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(13), one O(23), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, and  an edgeedge with one Na(3)O6 pentagonal pyramid. In the second Si site, Si(2) is bonded to one O(10), one O(14), one O(2), and one O(24) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, and  an edgeedge with one Na(4)O6 pentagonal pyramid. In the third Si site, Si(3) is bonded to one O(11), one O(15), one O(21), and one O(3) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(12), one O(16), one O(22), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(7)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(15), one O(16), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(13), one O(14), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)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 seventh Si site, Si(7) is bonded to one O(24), one O(4), one O(8), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(17) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(18) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(19) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(20) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(17) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(18) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(19) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(20) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Al(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Al(2), and one Si(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Al(3), and one Si(3) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(1), one Na(2), one Si(4), and one Si(7) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Al(1) and one Si(5) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Al(2) and one Si(5) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Al(3) and one Si(6) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Si(6) and one Si(7) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Si(1), and one Si(7) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(2), one Al(3), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Na(3), one Al(2), and one Si(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(1), and one Si(4) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(6) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Si(2) and one Si(6) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one Si(3) and one Si(5) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Si(4) and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a distorted water-like geometry to one Na(3), one Na(4), one H(1), and one H(5) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one Na(3), one Na(4), one H(2), and one H(6) atom. In the nineteenth O site, O(19) is bonded in a distorted water-like geometry to one Na(1), one Na(2), one H(3), and one H(7) atom. In the twentieth O site, O(20) is bonded in a distorted water-like geometry to one Na(1), one Na(2), one H(4), and one H(8) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Na(1), one Al(1), and one Si(3) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Na(2), one Al(2), and one Si(4) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Na(3), one Al(3), and one Si(1) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Na(4), one Si(2), and one Si(7) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na4Al3Si7(HO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.644
_cell_length_b   9.900
_cell_length_c   9.970
_cell_angle_alpha   84.111
_cell_angle_beta   109.408
_cell_angle_gamma   109.487
_symmetry_Int_Tables_number   1
_cell_volume   583.041
_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
  Na  Na0  1  0.557  0.935  0.446  1.0
  Na  Na1  1  0.190  0.058  0.563  1.0
  Na  Na2  1  0.375  0.562  0.939  1.0
  Na  Na3  1  0.876  0.443  0.058  1.0
  Al  Al4  1  0.318  0.576  0.313  1.0
  Al  Al5  1  0.423  0.420  0.686  1.0
  Al  Al6  1  0.489  0.924  0.813  1.0
  Si  Si7  1  0.322  0.812  0.078  1.0
  Si  Si8  1  0.430  0.190  0.922  1.0
  Si  Si9  1  0.261  0.689  0.580  1.0
  Si  Si10  1  0.993  0.310  0.416  1.0
  Si  Si11  1  0.753  0.497  0.500  1.0
  Si  Si12  1  0.001  0.001  0.000  1.0
  Si  Si13  1  0.746  0.077  0.182  1.0
  H  H14  1  0.710  0.606  0.208  1.0
  H  H15  1  0.895  0.393  0.792  1.0
  H  H16  1  0.855  0.894  0.706  1.0
  H  H17  1  0.260  0.109  0.295  1.0
  H  H18  1  0.854  0.705  0.114  1.0
  H  H19  1  0.037  0.296  0.889  1.0
  H  H20  1  0.900  0.796  0.609  1.0
  H  H21  1  0.497  0.206  0.393  1.0
  O  O22  1  0.266  0.651  0.141  1.0
  O  O23  1  0.476  0.354  0.864  1.0
  O  O24  1  0.360  0.854  0.638  1.0
  O  O25  1  0.860  0.145  0.345  1.0
  O  O26  1  0.577  0.544  0.361  1.0
  O  O27  1  0.665  0.449  0.637  1.0
  O  O28  1  0.782  0.953  0.860  1.0
  O  O29  1  0.944  0.048  0.136  1.0
  O  O30  1  0.547  0.926  0.193  1.0
  O  O31  1  0.422  0.083  0.806  1.0
  O  O32  1  0.367  0.581  0.695  1.0
  O  O33  1  0.089  0.416  0.301  1.0
  O  O34  1  0.104  0.868  0.058  1.0
  O  O35  1  0.194  0.143  0.964  1.0
  O  O36  1  0.985  0.636  0.547  1.0
  O  O37  1  0.798  0.357  0.451  1.0
  O  O38  1  0.738  0.613  0.116  1.0
  O  O39  1  0.009  0.389  0.884  1.0
  O  O40  1  0.875  0.888  0.613  1.0
  O  O41  1  0.377  0.113  0.387  1.0
  O  O42  1  0.319  0.695  0.432  1.0
  O  O43  1  0.186  0.298  0.564  1.0
  O  O44  1  0.369  0.805  0.930  1.0
  O  O45  1  0.640  0.192  0.073  1.0
[/CIF]
.
The structure described by Na4Al3Si7(HO3)8 crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(19), one O(20), one O(21), one O(3), one O(4), and one O(9) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(10), one O(19), one O(20), one O(22), one O(3), and one O(4) atom. In the third Na site, Na(3) is bonded to one O(1), one O(11), one O(17), one O(18), one O(2), and one O(23) atom to form distorted NaO6 pentagonal pyramids that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, edges with two equivalent Na(4)O6 pentagonal pyramids,  an edgeedge with one Al(2)O4 tetrahedra, and  an edgeedge with one Si(1)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to one O(1), one O(12), one O(17), one O(18), one O(2), and one O(24) atom to form distorted NaO6 pentagonal pyramids that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, edges with two equivalent Na(3)O6 pentagonal pyramids,  an edgeedge with one Al(1)O4 tetrahedra, and  an edgeedge with one Si(2)O4 tetrahedra. There are three inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(12), one O(21), and one O(5) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  an edgeedge with one Na(4)O6 pentagonal pyramid. In the second Al site, Al(2) is bonded to one O(11), one O(2), one O(22), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  an edgeedge with one Na(3)O6 pentagonal pyramid. In the third Al site, Al(3) is bonded to one O(10), one O(23), one O(3), and one O(7) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. There are seven inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(13), one O(23), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, and  an edgeedge with one Na(3)O6 pentagonal pyramid. In the second Si site, Si(2) is bonded to one O(10), one O(14), one O(2), and one O(24) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra,  a cornercorner with one Si(7)O4 tetrahedra, and  an edgeedge with one Na(4)O6 pentagonal pyramid. In the third Si site, Si(3) is bonded to one O(11), one O(15), one O(21), and one O(3) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(3)O6 pentagonal pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(12), one O(16), one O(22), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(7)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(15), one O(16), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(13), one O(14), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)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 seventh Si site, Si(7) is bonded to one O(24), one O(4), one O(8), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(4)O6 pentagonal pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(17) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(18) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(19) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(20) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(17) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(18) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(19) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(20) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Al(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Al(2), and one Si(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Al(3), and one Si(3) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(1), one Na(2), one Si(4), and one Si(7) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Al(1) and one Si(5) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Al(2) and one Si(5) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Al(3) and one Si(6) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Si(6) and one Si(7) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Si(1), and one Si(7) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(2), one Al(3), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Na(3), one Al(2), and one Si(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(1), and one Si(4) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(6) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Si(2) and one Si(6) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one Si(3) and one Si(5) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Si(4) and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a distorted water-like geometry to one Na(3), one Na(4), one H(1), and one H(5) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one Na(3), one Na(4), one H(2), and one H(6) atom. In the nineteenth O site, O(19) is bonded in a distorted water-like geometry to one Na(1), one Na(2), one H(3), and one H(7) atom. In the twentieth O site, O(20) is bonded in a distorted water-like geometry to one Na(1), one Na(2), one H(4), and one H(8) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Na(1), one Al(1), and one Si(3) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Na(2), one Al(2), and one Si(4) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Na(3), one Al(3), and one Si(1) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Na(4), one Si(2), and one Si(7) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na4Al3Si7(HO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.644
_cell_length_b   9.900
_cell_length_c   9.970
_cell_angle_alpha   84.111
_cell_angle_beta   109.408
_cell_angle_gamma   109.487
_symmetry_Int_Tables_number   1
_cell_volume   583.041
_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
  Na  Na0  1  0.557  0.935  0.446  1.0
  Na  Na1  1  0.190  0.058  0.563  1.0
  Na  Na2  1  0.375  0.562  0.939  1.0
  Na  Na3  1  0.876  0.443  0.058  1.0
  Al  Al4  1  0.318  0.576  0.313  1.0
  Al  Al5  1  0.423  0.420  0.686  1.0
  Al  Al6  1  0.489  0.924  0.813  1.0
  Si  Si7  1  0.322  0.812  0.078  1.0
  Si  Si8  1  0.430  0.190  0.922  1.0
  Si  Si9  1  0.261  0.689  0.580  1.0
  Si  Si10  1  0.993  0.310  0.416  1.0
  Si  Si11  1  0.753  0.497  0.500  1.0
  Si  Si12  1  0.001  0.001  0.000  1.0
  Si  Si13  1  0.746  0.077  0.182  1.0
  H  H14  1  0.710  0.606  0.208  1.0
  H  H15  1  0.895  0.393  0.792  1.0
  H  H16  1  0.855  0.894  0.706  1.0
  H  H17  1  0.260  0.109  0.295  1.0
  H  H18  1  0.854  0.705  0.114  1.0
  H  H19  1  0.037  0.296  0.889  1.0
  H  H20  1  0.900  0.796  0.609  1.0
  H  H21  1  0.497  0.206  0.393  1.0
  O  O22  1  0.266  0.651  0.141  1.0
  O  O23  1  0.476  0.354  0.864  1.0
  O  O24  1  0.360  0.854  0.638  1.0
  O  O25  1  0.860  0.145  0.345  1.0
  O  O26  1  0.577  0.544  0.361  1.0
  O  O27  1  0.665  0.449  0.637  1.0
  O  O28  1  0.782  0.953  0.860  1.0
  O  O29  1  0.944  0.048  0.136  1.0
  O  O30  1  0.547  0.926  0.193  1.0
  O  O31  1  0.422  0.083  0.806  1.0
  O  O32  1  0.367  0.581  0.695  1.0
  O  O33  1  0.089  0.416  0.301  1.0
  O  O34  1  0.104  0.868  0.058  1.0
  O  O35  1  0.194  0.143  0.964  1.0
  O  O36  1  0.985  0.636  0.547  1.0
  O  O37  1  0.798  0.357  0.451  1.0
  O  O38  1  0.738  0.613  0.116  1.0
  O  O39  1  0.009  0.389  0.884  1.0
  O  O40  1  0.875  0.888  0.613  1.0
  O  O41  1  0.377  0.113  0.387  1.0
  O  O42  1  0.319  0.695  0.432  1.0
  O  O43  1  0.186  0.298  0.564  1.0
  O  O44  1  0.369  0.805  0.930  1.0
  O  O45  1  0.640  0.192  0.073  1.0
[/CIF]
.