Na3InGeSi2SO12 crystallizes in the monoclinic Cc space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(7), one O(9), and two equivalent O(5) atoms. 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. In(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 InO6 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 in a 4-coordinate geometry to one O(10), one O(11), one O(12), one O(5), and one O(6) atom. 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 In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-36°. 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 In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-35°. 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 In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-38°. 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 In(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 In(1), and one Si(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Na(1), one In(1), and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond 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 two equivalent Na(1), 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 In(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 In(1), and one Si(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(3), one In(1), and one Si(1) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Na(1), 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 distorted rectangular see-saw-like 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 distorted single-bond geometry to one Na(2), one Na(3), one Ge(1), and one S(1) atom.
Na3InGeSi2SO12 crystallizes in the monoclinic Cc space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(7), one O(9), and two equivalent O(5) atoms. The Na(1)-O(1) bond length is 2.32 Å. The Na(1)-O(10) bond length is 2.78 Å. The Na(1)-O(11) bond length is 2.40 Å. The Na(1)-O(3) bond length is 3.01 Å. The Na(1)-O(7) bond length is 2.58 Å. The Na(1)-O(9) bond length is 2.33 Å. There is one shorter (2.78 Å) and one longer (2.86 Å) Na(1)-O(5) bond length. 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. The Na(2)-O(10) bond length is 2.37 Å. The Na(2)-O(12) bond length is 2.53 Å. The Na(2)-O(2) bond length is 2.56 Å. The Na(2)-O(4) bond length is 2.63 Å. The Na(2)-O(6) bond length is 2.79 Å. The Na(2)-O(7) bond length is 2.44 Å. The Na(2)-O(8) bond length is 2.46 Å. 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. The Na(3)-O(10) bond length is 2.53 Å. The Na(3)-O(11) bond length is 2.49 Å. The Na(3)-O(12) bond length is 2.62 Å. The Na(3)-O(7) bond length is 2.75 Å. The Na(3)-O(8) bond length is 2.39 Å. The Na(3)-O(9) bond length is 2.53 Å. In(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 InO6 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. The In(1)-O(1) bond length is 2.08 Å. The In(1)-O(2) bond length is 2.10 Å. The In(1)-O(3) bond length is 2.08 Å. The In(1)-O(7) bond length is 2.21 Å. The In(1)-O(8) bond length is 2.15 Å. The In(1)-O(9) bond length is 2.15 Å. Ge(1) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(12), one O(5), and one O(6) atom. The Ge(1)-O(10) bond length is 1.91 Å. The Ge(1)-O(11) bond length is 1.83 Å. The Ge(1)-O(12) bond length is 2.40 Å. The Ge(1)-O(5) bond length is 1.82 Å. The Ge(1)-O(6) bond length is 1.84 Å. 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 In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-36°. The Si(1)-O(1) bond length is 1.60 Å. The Si(1)-O(10) bond length is 1.73 Å. The Si(1)-O(6) bond length is 1.71 Å. The Si(1)-O(9) bond length is 1.62 Å. 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 In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-35°. The Si(2)-O(11) bond length is 1.69 Å. The Si(2)-O(2) bond length is 1.61 Å. The Si(2)-O(5) bond length is 1.69 Å. The Si(2)-O(8) bond length is 1.61 Å. 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 In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-38°. The S(1)-O(12) bond length is 1.49 Å. The S(1)-O(3) bond length is 1.47 Å. The S(1)-O(4) bond length is 1.47 Å. The S(1)-O(7) bond length is 1.51 Å. 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 In(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 In(1), and one Si(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Na(1), one In(1), and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond 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 two equivalent Na(1), 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 In(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 In(1), and one Si(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Na(3), one In(1), and one Si(1) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Na(1), 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 distorted rectangular see-saw-like 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 distorted single-bond geometry to one Na(2), one Na(3), one Ge(1), and one S(1) atom.