Ge7H10O19(H2O)4 crystallizes in the triclinic P1 space group. The structure consists of four water molecules inside a Ge7H10O19 framework. In the Ge7H10O19 framework, there are seven inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(2)O6 octahedra,  an edgeedge with one Ge(3)O6 octahedra, and  an edgeedge with one Ge(4)O6 octahedra. In the second Ge site, Ge(2) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(1)O6 octahedra,  an edgeedge with one Ge(3)O6 octahedra, and  an edgeedge with one Ge(4)O6 octahedra. In the third Ge site, Ge(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(2), and one O(4) atom to form GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(1)O6 octahedra,  an edgeedge with one Ge(2)O6 octahedra, and  an edgeedge with one Ge(4)O6 octahedra. In the fourth Ge site, Ge(4) is bonded to one O(1), one O(14), one O(15), one O(16), one O(3), and one O(4) atom to form distorted GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(1)O6 octahedra,  an edgeedge with one Ge(2)O6 octahedra, and  an edgeedge with one Ge(3)O6 octahedra. In the fifth Ge site, Ge(5) is bonded to one O(11), one O(14), one O(5), and one O(8) atom to form corner-sharing GeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-58°. In the sixth Ge site, Ge(6) is bonded to one O(12), one O(15), one O(6), and one O(9) atom to form corner-sharing GeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-59°. In the seventh Ge site, Ge(7) is bonded to one O(10), one O(13), one O(16), and one O(7) atom to form corner-sharing GeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-58°. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(2) and one O(21) 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 linear geometry to one O(17) and one O(8) atom. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(11) and one O(18) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one O(17) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one O(17) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one O(18) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one O(18) atom. In the ninth H site, H(14) is bonded in a single-bond geometry to one O(21) atom. In the tenth H site, H(15) is bonded in a distorted single-bond geometry to one O(21) atom. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to one Ge(1), one Ge(3), and one Ge(4) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ge(1), one Ge(2), one Ge(3), and one H(1) atom. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one Ge(1), one Ge(2), and one Ge(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Ge(2), one Ge(3), and one Ge(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(5) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Ge(1), one Ge(6), and one H(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(7) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Ge(2), one Ge(5), and one H(3) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(6) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(7) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Ge(3), one Ge(5), and one H(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Ge(3) and one Ge(6) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Ge(3) and one Ge(7) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Ge(4) and one Ge(5) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Ge(4) and one Ge(6) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Ge(4) and one Ge(7) atom. In the seventeenth O site, O(17) is bonded in a trigonal non-coplanar geometry to one H(3), one H(6), and one H(7) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one H(4), one H(8), and one H(9) atom. In the nineteenth O site, O(21) is bonded in a trigonal non-coplanar geometry to one H(1), one H(14), and one H(15) atom.
Ge7H10O19(H2O)4 crystallizes in the triclinic P1 space group. The structure consists of four water molecules inside a Ge7H10O19 framework. In the Ge7H10O19 framework, there are seven inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(2)O6 octahedra,  an edgeedge with one Ge(3)O6 octahedra, and  an edgeedge with one Ge(4)O6 octahedra. The Ge(1)-O(1) bond length is 1.97 Å. The Ge(1)-O(2) bond length is 2.03 Å. The Ge(1)-O(3) bond length is 1.96 Å. The Ge(1)-O(5) bond length is 1.81 Å. The Ge(1)-O(6) bond length is 2.00 Å. The Ge(1)-O(7) bond length is 1.82 Å. In the second Ge site, Ge(2) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(1)O6 octahedra,  an edgeedge with one Ge(3)O6 octahedra, and  an edgeedge with one Ge(4)O6 octahedra. The Ge(2)-O(10) bond length is 1.82 Å. The Ge(2)-O(2) bond length is 2.09 Å. The Ge(2)-O(3) bond length is 1.97 Å. The Ge(2)-O(4) bond length is 1.90 Å. The Ge(2)-O(8) bond length is 1.99 Å. The Ge(2)-O(9) bond length is 1.83 Å. In the third Ge site, Ge(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(2), and one O(4) atom to form GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(1)O6 octahedra,  an edgeedge with one Ge(2)O6 octahedra, and  an edgeedge with one Ge(4)O6 octahedra. The Ge(3)-O(1) bond length is 1.95 Å. The Ge(3)-O(11) bond length is 2.02 Å. The Ge(3)-O(12) bond length is 1.84 Å. The Ge(3)-O(13) bond length is 1.82 Å. The Ge(3)-O(2) bond length is 2.06 Å. The Ge(3)-O(4) bond length is 1.91 Å. In the fourth Ge site, Ge(4) is bonded to one O(1), one O(14), one O(15), one O(16), one O(3), and one O(4) atom to form distorted GeO6 octahedra that share  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra,  an edgeedge with one Ge(1)O6 octahedra,  an edgeedge with one Ge(2)O6 octahedra, and  an edgeedge with one Ge(3)O6 octahedra. The Ge(4)-O(1) bond length is 2.03 Å. The Ge(4)-O(14) bond length is 1.86 Å. The Ge(4)-O(15) bond length is 1.85 Å. The Ge(4)-O(16) bond length is 1.82 Å. The Ge(4)-O(3) bond length is 1.99 Å. The Ge(4)-O(4) bond length is 2.24 Å. In the fifth Ge site, Ge(5) is bonded to one O(11), one O(14), one O(5), and one O(8) atom to form corner-sharing GeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-58°. The Ge(5)-O(11) bond length is 1.83 Å. The Ge(5)-O(14) bond length is 1.73 Å. The Ge(5)-O(5) bond length is 1.74 Å. The Ge(5)-O(8) bond length is 1.83 Å. In the sixth Ge site, Ge(6) is bonded to one O(12), one O(15), one O(6), and one O(9) atom to form corner-sharing GeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-59°. The Ge(6)-O(12) bond length is 1.75 Å. The Ge(6)-O(15) bond length is 1.74 Å. The Ge(6)-O(6) bond length is 1.86 Å. The Ge(6)-O(9) bond length is 1.76 Å. In the seventh Ge site, Ge(7) is bonded to one O(10), one O(13), one O(16), and one O(7) atom to form corner-sharing GeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-58°. The Ge(7)-O(10) bond length is 1.77 Å. The Ge(7)-O(13) bond length is 1.77 Å. The Ge(7)-O(16) bond length is 1.76 Å. The Ge(7)-O(7) bond length is 1.77 Å. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(2) and one O(21) atom. The H(1)-O(2) bond length is 1.10 Å. The H(1)-O(21) bond length is 1.36 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. The H(2)-O(6) bond length is 1.00 Å. In the third H site, H(3) is bonded in a linear geometry to one O(17) and one O(8) atom. The H(3)-O(17) bond length is 1.53 Å. The H(3)-O(8) bond length is 1.06 Å. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(11) and one O(18) atom. The H(4)-O(11) bond length is 1.04 Å. The H(4)-O(18) bond length is 1.58 Å. In the fifth H site, H(6) is bonded in a single-bond geometry to one O(17) atom. The H(6)-O(17) bond length is 0.98 Å. In the sixth H site, H(7) is bonded in a single-bond geometry to one O(17) atom. The H(7)-O(17) bond length is 0.98 Å. In the seventh H site, H(8) is bonded in a single-bond geometry to one O(18) atom. The H(8)-O(18) bond length is 0.98 Å. In the eighth H site, H(9) is bonded in a single-bond geometry to one O(18) atom. The H(9)-O(18) bond length is 0.98 Å. In the ninth H site, H(14) is bonded in a single-bond geometry to one O(21) atom. The H(14)-O(21) bond length is 0.98 Å. In the tenth H site, H(15) is bonded in a distorted single-bond geometry to one O(21) atom. The H(15)-O(21) bond length is 1.01 Å. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to one Ge(1), one Ge(3), and one Ge(4) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ge(1), one Ge(2), one Ge(3), and one H(1) atom. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one Ge(1), one Ge(2), and one Ge(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Ge(2), one Ge(3), and one Ge(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(5) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Ge(1), one Ge(6), and one H(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(7) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Ge(2), one Ge(5), and one H(3) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(6) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(7) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Ge(3), one Ge(5), and one H(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Ge(3) and one Ge(6) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Ge(3) and one Ge(7) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Ge(4) and one Ge(5) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Ge(4) and one Ge(6) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Ge(4) and one Ge(7) atom. In the seventeenth O site, O(17) is bonded in a trigonal non-coplanar geometry to one H(3), one H(6), and one H(7) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one H(4), one H(8), and one H(9) atom. In the nineteenth O site, O(21) is bonded in a trigonal non-coplanar geometry to one H(1), one H(14), and one H(15) atom.