The crystal structure described by Na2H5TeSO10 crystallizes in the monoclinic Cc space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(2), one O(5), one O(6), one O(7), and one O(9) atom to form distorted NaO6 octahedra that share corners with two equivalent S(1)O4 tetrahedra, edges with two equivalent Te(1)O6 octahedra, and  an edgeedge with one Na(2)O6 pentagonal pyramid. In the second Na site, Na(2) is bonded to one O(1), one O(3), one O(4), one O(7), one O(8), and one O(9) atom to form distorted NaO6 pentagonal pyramids that share corners with two equivalent Te(1)O6 octahedra, corners with two equivalent S(1)O4 tetrahedra,  an edgeedge with one Na(1)O6 octahedra, and  an edgeedge with one S(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. There are five inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(1) and one O(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(3) and one O(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(8) atom. Te(1) is bonded to one O(1), one O(10), one O(2), one O(5), one O(6), and one O(8) atom to form TeO6 octahedra that share corners with two equivalent Na(2)O6 pentagonal pyramids and edges with two equivalent Na(1)O6 octahedra. S(1) is bonded to one O(3), one O(4), one O(7), and one O(9) atom to form SO4 tetrahedra that share corners with two equivalent Na(1)O6 octahedra, corners with two equivalent Na(2)O6 pentagonal pyramids, and  an edgeedge with one Na(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-64°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(2), one H(1), and one Te(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Na(1), one H(3), and one Te(1) atom. In the third O site, O(3) is bonded in a distorted tetrahedral geometry to one Na(2), one H(1), one H(4), and one S(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(2) and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Na(1), one H(4), and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Na(1), one H(2), and one Te(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one S(1) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Na(2), one H(5), and one Te(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one S(1) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one Na(1) and one Te(1) atom. is represented by the CIF card [CIF]
data_Na2TeH5SO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.877
_cell_length_b   5.877
_cell_length_c   15.362
_cell_angle_alpha   88.115
_cell_angle_beta   88.115
_cell_angle_gamma   124.425
_symmetry_Int_Tables_number   1
_cell_volume   436.539
_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  0.903  0.417  0.619  1.0
  Na  Na1  1  0.613  0.465  0.811  1.0
  Na  Na2  1  0.417  0.903  0.119  1.0
  Na  Na3  1  0.465  0.613  0.311  1.0
  Te  Te4  1  0.993  0.015  0.002  1.0
  Te  Te5  1  0.015  0.993  0.502  1.0
  H  H6  1  0.934  0.701  0.376  1.0
  H  H7  1  0.938  0.408  0.008  1.0
  H  H8  1  0.693  0.622  0.114  1.0
  H  H9  1  0.844  0.257  0.432  1.0
  H  H10  1  0.457  0.440  0.486  1.0
  H  H11  1  0.701  0.934  0.876  1.0
  H  H12  1  0.408  0.938  0.508  1.0
  H  H13  1  0.622  0.693  0.614  1.0
  H  H14  1  0.257  0.844  0.932  1.0
  H  H15  1  0.440  0.457  0.986  1.0
  S  S16  1  0.859  0.366  0.248  1.0
  S  S17  1  0.366  0.859  0.748  1.0
  O  O18  1  0.885  0.834  0.391  1.0
  O  O19  1  0.690  0.650  0.561  1.0
  O  O20  1  0.949  0.446  0.340  1.0
  O  O21  1  0.729  0.507  0.218  1.0
  O  O22  1  0.784  0.141  0.489  1.0
  O  O23  1  0.834  0.885  0.891  1.0
  O  O24  1  0.808  0.204  0.020  1.0
  O  O25  1  0.466  0.117  0.693  1.0
  O  O26  1  0.340  0.316  0.440  1.0
  O  O27  1  0.662  0.064  0.246  1.0
  O  O28  1  0.446  0.949  0.840  1.0
  O  O29  1  0.507  0.729  0.718  1.0
  O  O30  1  0.141  0.784  0.989  1.0
  O  O31  1  0.650  0.690  0.061  1.0
  O  O32  1  0.171  0.106  0.110  1.0
  O  O33  1  0.204  0.808  0.520  1.0
  O  O34  1  0.316  0.340  0.940  1.0
  O  O35  1  0.064  0.662  0.746  1.0
  O  O36  1  0.117  0.466  0.193  1.0
  O  O37  1  0.106  0.171  0.610  1.0
[/CIF]
.
The crystal structure described by Na2H5TeSO10 crystallizes in the monoclinic Cc space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(2), one O(5), one O(6), one O(7), and one O(9) atom to form distorted NaO6 octahedra that share corners with two equivalent S(1)O4 tetrahedra, edges with two equivalent Te(1)O6 octahedra, and  an edgeedge with one Na(2)O6 pentagonal pyramid. In the second Na site, Na(2) is bonded to one O(1), one O(3), one O(4), one O(7), one O(8), and one O(9) atom to form distorted NaO6 pentagonal pyramids that share corners with two equivalent Te(1)O6 octahedra, corners with two equivalent S(1)O4 tetrahedra,  an edgeedge with one Na(1)O6 octahedra, and  an edgeedge with one S(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. There are five inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(1) and one O(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(3) and one O(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(8) atom. Te(1) is bonded to one O(1), one O(10), one O(2), one O(5), one O(6), and one O(8) atom to form TeO6 octahedra that share corners with two equivalent Na(2)O6 pentagonal pyramids and edges with two equivalent Na(1)O6 octahedra. S(1) is bonded to one O(3), one O(4), one O(7), and one O(9) atom to form SO4 tetrahedra that share corners with two equivalent Na(1)O6 octahedra, corners with two equivalent Na(2)O6 pentagonal pyramids, and  an edgeedge with one Na(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-64°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(2), one H(1), and one Te(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Na(1), one H(3), and one Te(1) atom. In the third O site, O(3) is bonded in a distorted tetrahedral geometry to one Na(2), one H(1), one H(4), and one S(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(2) and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Na(1), one H(4), and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Na(1), one H(2), and one Te(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one S(1) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Na(2), one H(5), and one Te(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one S(1) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one Na(1) and one Te(1) atom. is represented by the CIF card [CIF]
data_Na2TeH5SO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.877
_cell_length_b   5.877
_cell_length_c   15.362
_cell_angle_alpha   88.115
_cell_angle_beta   88.115
_cell_angle_gamma   124.425
_symmetry_Int_Tables_number   1
_cell_volume   436.539
_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  0.903  0.417  0.619  1.0
  Na  Na1  1  0.613  0.465  0.811  1.0
  Na  Na2  1  0.417  0.903  0.119  1.0
  Na  Na3  1  0.465  0.613  0.311  1.0
  Te  Te4  1  0.993  0.015  0.002  1.0
  Te  Te5  1  0.015  0.993  0.502  1.0
  H  H6  1  0.934  0.701  0.376  1.0
  H  H7  1  0.938  0.408  0.008  1.0
  H  H8  1  0.693  0.622  0.114  1.0
  H  H9  1  0.844  0.257  0.432  1.0
  H  H10  1  0.457  0.440  0.486  1.0
  H  H11  1  0.701  0.934  0.876  1.0
  H  H12  1  0.408  0.938  0.508  1.0
  H  H13  1  0.622  0.693  0.614  1.0
  H  H14  1  0.257  0.844  0.932  1.0
  H  H15  1  0.440  0.457  0.986  1.0
  S  S16  1  0.859  0.366  0.248  1.0
  S  S17  1  0.366  0.859  0.748  1.0
  O  O18  1  0.885  0.834  0.391  1.0
  O  O19  1  0.690  0.650  0.561  1.0
  O  O20  1  0.949  0.446  0.340  1.0
  O  O21  1  0.729  0.507  0.218  1.0
  O  O22  1  0.784  0.141  0.489  1.0
  O  O23  1  0.834  0.885  0.891  1.0
  O  O24  1  0.808  0.204  0.020  1.0
  O  O25  1  0.466  0.117  0.693  1.0
  O  O26  1  0.340  0.316  0.440  1.0
  O  O27  1  0.662  0.064  0.246  1.0
  O  O28  1  0.446  0.949  0.840  1.0
  O  O29  1  0.507  0.729  0.718  1.0
  O  O30  1  0.141  0.784  0.989  1.0
  O  O31  1  0.650  0.690  0.061  1.0
  O  O32  1  0.171  0.106  0.110  1.0
  O  O33  1  0.204  0.808  0.520  1.0
  O  O34  1  0.316  0.340  0.940  1.0
  O  O35  1  0.064  0.662  0.746  1.0
  O  O36  1  0.117  0.466  0.193  1.0
  O  O37  1  0.106  0.171  0.610  1.0
[/CIF]
.