The structure described by Na3YGeSi2SO12 crystallizes in the monoclinic Cc space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 3-coordinate geometry to one O(1), one O(11), one O(7), and one O(9) atom. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(6), one O(7), and one O(8) atom. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(7), one O(8), and one O(9) atom. Y(1) is bonded to one O(1), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form YO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and corners with two equivalent S(1)O4 tetrahedra. Ge(1) is bonded to one O(10), one O(11), one O(5), and one O(6) atom to form distorted GeO4 tetrahedra that share corners with two equivalent Si(1)O4 tetrahedra and corners with two equivalent Si(2)O4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(10), one O(6), and one O(9) atom to form SiO4 tetrahedra that share corners with two equivalent Y(1)O6 octahedra and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-33°. In the second Si site, Si(2) is bonded to one O(11), one O(2), one O(5), and one O(8) atom to form SiO4 tetrahedra that share corners with two equivalent Y(1)O6 octahedra and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-37°. S(1) is bonded to one O(12), one O(3), one O(4), and one O(7) atom to form SO4 tetrahedra that share corners with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-40°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Y(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Y(1), and one Si(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Y(1) and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Na(2) and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ge(1) and one Si(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Na(2), one Ge(1), and one Si(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(3), one Y(1), and one S(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Na(2), one Na(3), one Y(1), and one Si(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Y(1), and one Si(1) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(1), and one Si(1) atom. In the eleventh O site, O(11) is bonded in a trigonal pyramidal geometry to one Na(1), one Na(3), one Ge(1), and one Si(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), and one S(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3YSi2GeSO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.085
_cell_length_b   9.085
_cell_length_c   9.190
_cell_angle_alpha   94.595
_cell_angle_beta   117.086
_cell_angle_gamma   117.279
_symmetry_Int_Tables_number   1
_cell_volume   558.810
_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
  Ge  Ge0  1  0.330  0.389  0.619  1.0
  Ge  Ge1  1  0.230  0.789  0.119  1.0
  Na  Na2  1  0.487  0.763  0.598  1.0
  Na  Na3  1  0.133  0.377  0.885  1.0
  Na  Na4  1  0.835  0.611  0.098  1.0
  Na  Na5  1  0.508  0.251  0.385  1.0
  Na  Na6  1  0.021  0.515  0.524  1.0
  Na  Na7  1  0.009  0.003  0.024  1.0
  O  O8  1  0.628  0.689  0.106  1.0
  O  O9  1  0.418  0.489  0.300  1.0
  O  O10  1  0.814  0.916  0.503  1.0
  O  O11  1  0.811  0.382  0.800  1.0
  O  O12  1  0.417  0.978  0.606  1.0
  O  O13  1  0.587  0.189  0.003  1.0
  O  O14  1  0.362  0.287  0.905  1.0
  O  O15  1  0.597  0.528  0.724  1.0
  O  O16  1  0.256  0.169  0.503  1.0
  O  O17  1  0.196  0.627  0.224  1.0
  O  O18  1  0.618  0.043  0.405  1.0
  O  O19  1  0.334  0.747  0.003  1.0
  O  O20  1  0.633  0.390  0.216  1.0
  O  O21  1  0.819  0.567  0.588  1.0
  O  O22  1  0.019  0.789  0.399  1.0
  O  O23  1  0.021  0.269  0.088  1.0
  O  O24  1  0.827  0.084  0.716  1.0
  O  O25  1  0.610  0.880  0.899  1.0
  O  O26  1  0.317  0.535  0.764  1.0
  O  O27  1  0.213  0.455  0.441  1.0
  O  O28  1  0.978  0.234  0.567  1.0
  O  O29  1  0.986  0.728  0.941  1.0
  O  O30  1  0.229  0.947  0.264  1.0
  O  O31  1  0.333  0.090  0.067  1.0
  S  S32  1  0.807  0.072  0.543  1.0
  S  S33  1  0.471  0.236  0.043  1.0
  Si  Si34  1  0.488  0.725  0.952  1.0
  Si  Si35  1  0.208  0.449  0.254  1.0
  Si  Si36  1  0.804  0.546  0.754  1.0
  Si  Si37  1  0.226  0.964  0.452  1.0
  Y  Y38  1  0.720  0.660  0.360  1.0
  Y  Y39  1  0.701  0.141  0.860  1.0
[/CIF]
.
The structure described by Na3YGeSi2SO12 crystallizes in the monoclinic Cc space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 3-coordinate geometry to one O(1), one O(11), one O(7), and one O(9) atom. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(6), one O(7), and one O(8) atom. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(7), one O(8), and one O(9) atom. Y(1) is bonded to one O(1), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form YO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and corners with two equivalent S(1)O4 tetrahedra. Ge(1) is bonded to one O(10), one O(11), one O(5), and one O(6) atom to form distorted GeO4 tetrahedra that share corners with two equivalent Si(1)O4 tetrahedra and corners with two equivalent Si(2)O4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(10), one O(6), and one O(9) atom to form SiO4 tetrahedra that share corners with two equivalent Y(1)O6 octahedra and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-33°. In the second Si site, Si(2) is bonded to one O(11), one O(2), one O(5), and one O(8) atom to form SiO4 tetrahedra that share corners with two equivalent Y(1)O6 octahedra and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-37°. S(1) is bonded to one O(12), one O(3), one O(4), and one O(7) atom to form SO4 tetrahedra that share corners with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-40°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Y(1), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Y(1), and one Si(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Y(1) and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Na(2) and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ge(1) and one Si(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Na(2), one Ge(1), and one Si(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Na(1), one Na(2), one Na(3), one Y(1), and one S(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Na(2), one Na(3), one Y(1), and one Si(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Y(1), and one Si(1) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(1), and one Si(1) atom. In the eleventh O site, O(11) is bonded in a trigonal pyramidal geometry to one Na(1), one Na(3), one Ge(1), and one Si(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), and one S(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3YSi2GeSO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.085
_cell_length_b   9.085
_cell_length_c   9.190
_cell_angle_alpha   94.595
_cell_angle_beta   117.086
_cell_angle_gamma   117.279
_symmetry_Int_Tables_number   1
_cell_volume   558.810
_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
  Ge  Ge0  1  0.330  0.389  0.619  1.0
  Ge  Ge1  1  0.230  0.789  0.119  1.0
  Na  Na2  1  0.487  0.763  0.598  1.0
  Na  Na3  1  0.133  0.377  0.885  1.0
  Na  Na4  1  0.835  0.611  0.098  1.0
  Na  Na5  1  0.508  0.251  0.385  1.0
  Na  Na6  1  0.021  0.515  0.524  1.0
  Na  Na7  1  0.009  0.003  0.024  1.0
  O  O8  1  0.628  0.689  0.106  1.0
  O  O9  1  0.418  0.489  0.300  1.0
  O  O10  1  0.814  0.916  0.503  1.0
  O  O11  1  0.811  0.382  0.800  1.0
  O  O12  1  0.417  0.978  0.606  1.0
  O  O13  1  0.587  0.189  0.003  1.0
  O  O14  1  0.362  0.287  0.905  1.0
  O  O15  1  0.597  0.528  0.724  1.0
  O  O16  1  0.256  0.169  0.503  1.0
  O  O17  1  0.196  0.627  0.224  1.0
  O  O18  1  0.618  0.043  0.405  1.0
  O  O19  1  0.334  0.747  0.003  1.0
  O  O20  1  0.633  0.390  0.216  1.0
  O  O21  1  0.819  0.567  0.588  1.0
  O  O22  1  0.019  0.789  0.399  1.0
  O  O23  1  0.021  0.269  0.088  1.0
  O  O24  1  0.827  0.084  0.716  1.0
  O  O25  1  0.610  0.880  0.899  1.0
  O  O26  1  0.317  0.535  0.764  1.0
  O  O27  1  0.213  0.455  0.441  1.0
  O  O28  1  0.978  0.234  0.567  1.0
  O  O29  1  0.986  0.728  0.941  1.0
  O  O30  1  0.229  0.947  0.264  1.0
  O  O31  1  0.333  0.090  0.067  1.0
  S  S32  1  0.807  0.072  0.543  1.0
  S  S33  1  0.471  0.236  0.043  1.0
  Si  Si34  1  0.488  0.725  0.952  1.0
  Si  Si35  1  0.208  0.449  0.254  1.0
  Si  Si36  1  0.804  0.546  0.754  1.0
  Si  Si37  1  0.226  0.964  0.452  1.0
  Y  Y38  1  0.720  0.660  0.360  1.0
  Y  Y39  1  0.701  0.141  0.860  1.0
[/CIF]
.