The material described by Na2Al2Si3(HO3)4 crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one H(6), one O(16), one O(21), one O(23), one O(24), one O(6), and one O(8) atom. In the second Na site, Na(2) is bonded in a 4-coordinate geometry to one O(14), one O(2), one O(3), and one O(9) atom. In the third Na site, Na(3) is bonded in a 5-coordinate geometry to one O(1), one O(15), one O(18), one O(2), and one O(22) atom. In the fourth Na site, Na(4) is bonded in a 8-coordinate geometry to one H(7), one O(1), one O(14), one O(15), one O(18), one O(20), one O(24), and one O(3) atom. There are four inequivalent Al sites. In the first Al site, Al(1) is bonded to one H(1), one O(1), one O(11), and one O(7) atom to form AlHO3 tetrahedra that share  a cornercorner with one Si(2)HO3 tetrahedra and  a cornercorner with one Si(6)O4 tetrahedra. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to one H(1), one O(12), one O(21), and one O(22) atom. In the third Al site, Al(3) is bonded to one O(13), one O(17), one O(23), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fourth Al site, Al(4) is bonded to one O(10), one O(20), one O(22), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(10), one O(19), one O(5), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(3)HO3 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the second Si site, Si(2) is bonded to one H(4), one O(1), one O(3), and one O(4) atom to form SiHO3 tetrahedra that share  a cornercorner with one Al(1)HO3 tetrahedra and  a cornercorner with one Si(5)O4 tetrahedra. In the third Si site, Si(3) is bonded to one H(3), one O(14), one O(16), and one O(19) atom to form corner-sharing SiHO3 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(18), one O(2), one O(21), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(20), one O(23), one O(3), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(2)HO3 tetrahedra, and  a cornercorner with one Si(1)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(11), one O(16), one O(17), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)HO3 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and  a cornercorner with one Si(3)HO3 tetrahedra. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted bent 150 degrees geometry to one Al(1) and one Al(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one Si(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one Si(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(13) atom. In the sixth H site, H(6) is bonded in a distorted linear geometry to one Na(1), one O(13), and one O(24) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one Na(4), one O(14), and one O(18) atom. In the eighth H site, H(8) is bonded in a distorted linear geometry to one O(15) and one O(4) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Al(1), and one Si(2) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Na(2), one Na(3), and one Si(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(2), one Na(4), one Si(2), and one Si(5) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Si(2), one H(2), and one H(8) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Si(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Al(3), and one Si(4) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Al(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Al(4), and one Si(6) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Si(1), and one Si(5) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Al(4) and one Si(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Al(1), one Si(6), and one O(15) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Al(2) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Al(3), one H(5), and one H(6) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Na(2), one Na(4), one Si(3), and one H(7) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Na(3), one Na(4), one H(8), and one O(11) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Na(1), one Si(3), and one Si(6) atom. In the seventeenth O site, O(17) is bonded in a bent 120 degrees geometry to one Al(3) and one Si(6) atom. In the eighteenth O site, O(18) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Si(4), and one H(7) atom. In the nineteenth O site, O(19) is bonded in a bent 120 degrees geometry to one Si(1) and one Si(3) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(4), and one Si(5) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 120 degrees geometry to one Na(1), one Al(2), and one Si(4) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Na(3), one Al(2), and one Al(4) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Na(1), one Al(3), and one Si(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted single-bond geometry to one Na(1), one Na(4), and one H(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2Al2Si3(HO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.461
_cell_length_b   9.490
_cell_length_c   9.995
_cell_angle_alpha   117.639
_cell_angle_beta   90.280
_cell_angle_gamma   95.557
_symmetry_Int_Tables_number   1
_cell_volume   623.021
_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
  Na  Na0  1  0.143  0.360  0.866  1.0
  Na  Na1  1  0.608  0.915  0.809  1.0
  Na  Na2  1  0.273  0.748  0.451  1.0
  Na  Na3  1  0.072  0.733  0.764  1.0
  Al  Al4  1  0.065  0.356  0.439  1.0
  Al  Al5  1  0.305  0.075  0.415  1.0
  Al  Al6  1  0.560  0.410  0.971  1.0
  Al  Al7  1  0.064  0.763  0.157  1.0
  Si  Si8  1  0.710  0.948  0.180  1.0
  Si  Si9  1  0.421  0.520  0.615  1.0
  Si  Si10  1  0.963  0.086  0.033  1.0
  Si  Si11  1  0.357  0.073  0.706  1.0
  Si  Si12  1  0.392  0.710  0.964  1.0
  Si  Si13  1  0.889  0.435  0.154  1.0
  H  H14  1  0.174  0.196  0.354  1.0
  H  H15  1  0.578  0.448  0.413  1.0
  H  H16  1  0.149  0.084  0.084  1.0
  H  H17  1  0.433  0.375  0.630  1.0
  H  H18  1  0.776  0.582  0.957  1.0
  H  H19  1  0.873  0.449  0.772  1.0
  H  H20  1  0.066  0.987  0.770  1.0
  H  H21  1  0.793  0.590  0.486  1.0
  O  O22  1  0.238  0.515  0.521  1.0
  O  O23  1  0.493  0.945  0.620  1.0
  O  O24  1  0.428  0.674  0.784  1.0
  O  O25  1  0.589  0.543  0.513  1.0
  O  O26  1  0.626  0.021  0.351  1.0
  O  O27  1  0.427  0.227  0.873  1.0
  O  O28  1  0.912  0.326  0.558  1.0
  O  O29  1  0.027  0.574  0.152  1.0
  O  O30  1  0.541  0.868  0.051  1.0
  O  O31  1  0.844  0.814  0.150  1.0
  O  O32  1  0.935  0.439  0.332  1.0
  O  O33  1  0.502  0.137  0.347  1.0
  O  O34  1  0.748  0.467  0.888  1.0
  O  O35  1  0.897  0.945  0.870  1.0
  O  O36  1  0.920  0.604  0.454  1.0
  O  O37  1  0.966  0.267  0.040  1.0
  O  O38  1  0.674  0.434  0.139  1.0
  O  O39  1  0.183  0.958  0.725  1.0
  O  O40  1  0.824  0.100  0.168  1.0
  O  O41  1  0.183  0.744  0.993  1.0
  O  O42  1  0.276  0.157  0.609  1.0
  O  O43  1  0.202  0.885  0.316  1.0
  O  O44  1  0.419  0.559  0.993  1.0
  O  O45  1  0.984  0.452  0.711  1.0
[/CIF]
.
The material described by Na2Al2Si3(HO3)4 crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one H(6), one O(16), one O(21), one O(23), one O(24), one O(6), and one O(8) atom. In the second Na site, Na(2) is bonded in a 4-coordinate geometry to one O(14), one O(2), one O(3), and one O(9) atom. In the third Na site, Na(3) is bonded in a 5-coordinate geometry to one O(1), one O(15), one O(18), one O(2), and one O(22) atom. In the fourth Na site, Na(4) is bonded in a 8-coordinate geometry to one H(7), one O(1), one O(14), one O(15), one O(18), one O(20), one O(24), and one O(3) atom. There are four inequivalent Al sites. In the first Al site, Al(1) is bonded to one H(1), one O(1), one O(11), and one O(7) atom to form AlHO3 tetrahedra that share  a cornercorner with one Si(2)HO3 tetrahedra and  a cornercorner with one Si(6)O4 tetrahedra. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to one H(1), one O(12), one O(21), and one O(22) atom. In the third Al site, Al(3) is bonded to one O(13), one O(17), one O(23), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fourth Al site, Al(4) is bonded to one O(10), one O(20), one O(22), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(10), one O(19), one O(5), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(3)HO3 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the second Si site, Si(2) is bonded to one H(4), one O(1), one O(3), and one O(4) atom to form SiHO3 tetrahedra that share  a cornercorner with one Al(1)HO3 tetrahedra and  a cornercorner with one Si(5)O4 tetrahedra. In the third Si site, Si(3) is bonded to one H(3), one O(14), one O(16), and one O(19) atom to form corner-sharing SiHO3 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(18), one O(2), one O(21), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(20), one O(23), one O(3), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(2)HO3 tetrahedra, and  a cornercorner with one Si(1)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(11), one O(16), one O(17), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)HO3 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and  a cornercorner with one Si(3)HO3 tetrahedra. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted bent 150 degrees geometry to one Al(1) and one Al(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one Si(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one Si(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(13) atom. In the sixth H site, H(6) is bonded in a distorted linear geometry to one Na(1), one O(13), and one O(24) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one Na(4), one O(14), and one O(18) atom. In the eighth H site, H(8) is bonded in a distorted linear geometry to one O(15) and one O(4) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Al(1), and one Si(2) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Na(2), one Na(3), and one Si(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(2), one Na(4), one Si(2), and one Si(5) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Si(2), one H(2), and one H(8) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Si(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Al(3), and one Si(4) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Al(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Na(1), one Al(4), and one Si(6) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Si(1), and one Si(5) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Al(4) and one Si(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Al(1), one Si(6), and one O(15) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Al(2) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Al(3), one H(5), and one H(6) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Na(2), one Na(4), one Si(3), and one H(7) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Na(3), one Na(4), one H(8), and one O(11) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Na(1), one Si(3), and one Si(6) atom. In the seventeenth O site, O(17) is bonded in a bent 120 degrees geometry to one Al(3) and one Si(6) atom. In the eighteenth O site, O(18) is bonded in a 2-coordinate geometry to one Na(3), one Na(4), one Si(4), and one H(7) atom. In the nineteenth O site, O(19) is bonded in a bent 120 degrees geometry to one Si(1) and one Si(3) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(4), and one Si(5) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 120 degrees geometry to one Na(1), one Al(2), and one Si(4) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Na(3), one Al(2), and one Al(4) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Na(1), one Al(3), and one Si(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted single-bond geometry to one Na(1), one Na(4), and one H(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2Al2Si3(HO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.461
_cell_length_b   9.490
_cell_length_c   9.995
_cell_angle_alpha   117.639
_cell_angle_beta   90.280
_cell_angle_gamma   95.557
_symmetry_Int_Tables_number   1
_cell_volume   623.021
_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
  Na  Na0  1  0.143  0.360  0.866  1.0
  Na  Na1  1  0.608  0.915  0.809  1.0
  Na  Na2  1  0.273  0.748  0.451  1.0
  Na  Na3  1  0.072  0.733  0.764  1.0
  Al  Al4  1  0.065  0.356  0.439  1.0
  Al  Al5  1  0.305  0.075  0.415  1.0
  Al  Al6  1  0.560  0.410  0.971  1.0
  Al  Al7  1  0.064  0.763  0.157  1.0
  Si  Si8  1  0.710  0.948  0.180  1.0
  Si  Si9  1  0.421  0.520  0.615  1.0
  Si  Si10  1  0.963  0.086  0.033  1.0
  Si  Si11  1  0.357  0.073  0.706  1.0
  Si  Si12  1  0.392  0.710  0.964  1.0
  Si  Si13  1  0.889  0.435  0.154  1.0
  H  H14  1  0.174  0.196  0.354  1.0
  H  H15  1  0.578  0.448  0.413  1.0
  H  H16  1  0.149  0.084  0.084  1.0
  H  H17  1  0.433  0.375  0.630  1.0
  H  H18  1  0.776  0.582  0.957  1.0
  H  H19  1  0.873  0.449  0.772  1.0
  H  H20  1  0.066  0.987  0.770  1.0
  H  H21  1  0.793  0.590  0.486  1.0
  O  O22  1  0.238  0.515  0.521  1.0
  O  O23  1  0.493  0.945  0.620  1.0
  O  O24  1  0.428  0.674  0.784  1.0
  O  O25  1  0.589  0.543  0.513  1.0
  O  O26  1  0.626  0.021  0.351  1.0
  O  O27  1  0.427  0.227  0.873  1.0
  O  O28  1  0.912  0.326  0.558  1.0
  O  O29  1  0.027  0.574  0.152  1.0
  O  O30  1  0.541  0.868  0.051  1.0
  O  O31  1  0.844  0.814  0.150  1.0
  O  O32  1  0.935  0.439  0.332  1.0
  O  O33  1  0.502  0.137  0.347  1.0
  O  O34  1  0.748  0.467  0.888  1.0
  O  O35  1  0.897  0.945  0.870  1.0
  O  O36  1  0.920  0.604  0.454  1.0
  O  O37  1  0.966  0.267  0.040  1.0
  O  O38  1  0.674  0.434  0.139  1.0
  O  O39  1  0.183  0.958  0.725  1.0
  O  O40  1  0.824  0.100  0.168  1.0
  O  O41  1  0.183  0.744  0.993  1.0
  O  O42  1  0.276  0.157  0.609  1.0
  O  O43  1  0.202  0.885  0.316  1.0
  O  O44  1  0.419  0.559  0.993  1.0
  O  O45  1  0.984  0.452  0.711  1.0
[/CIF]
.