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Materials Data on Na2Al17Si11B7(H3O31)2 by Materials Project

Na2Al17B7Si11(H3O31)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded in a 10-coordinate geometry to ten O atoms. There are a spread of Na–O bond distances ranging from 2.60–2.86 Å. In the second Na site, Na is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Na–O bond distances ranging from 2.32–2.98 Å. There are seventeen inequivalent Al sites. In the first Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, a cornercorner with one BO4 tetrahedra, corners with two SiO4 tetrahedra, and edges with three AlO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of Al–O bond distances ranging from 1.86–2.10 Å. In the second Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with three AlO6 octahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Al–O bond distances ranging from 1.88–2.03 Å. In the third Al site, Al is bonded to six O atoms to form AlO6 octahedra that share corners with two SiO4 tetrahedra and edges with four AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.89–2.04 Å. In the fourth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share corners with two SiO4 tetrahedra and edges with four AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–2.06 Å. In the fifth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, a cornercorner with one BO4 tetrahedra, corners with two SiO4 tetrahedra, and edges with three AlO6 octahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Al–O bond distances ranging from 1.88–2.03 Å. In the sixth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with three AlO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of Al–O bond distances ranging from 1.86–2.02 Å. In the seventh Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with two AlO6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are a spread of Al–O bond distances ranging from 1.89–1.96 Å. In the eighth Al site, Al is bonded to six O atoms to form distorted AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with two AlO6 octahedra. The corner-sharing octahedral tilt angles are 47°. There are a spread of Al–O bond distances ranging from 1.78–2.09 Å. In the ninth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one BO4 tetrahedra, a cornercorner with one SiO4 tetrahedra, and edges with four AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.88–2.06 Å. In the tenth Al site, Al is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Al–O bond distances ranging from 1.78–2.43 Å. In the eleventh Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with two AlO6 octahedra. The corner-sharing octahedral tilt angles are 47°. There are a spread of Al–O bond distances ranging from 1.78–2.07 Å. In the twelfth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with two AlO6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are a spread of Al–O bond distances ranging from 1.86–1.94 Å. In the thirteenth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with three AlO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of Al–O bond distances ranging from 1.86–2.04 Å. In the fourteenth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, a cornercorner with one BO4 tetrahedra, corners with two SiO4 tetrahedra, and edges with three AlO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of Al–O bond distances ranging from 1.89–2.03 Å. In the fifteenth Al site, Al is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Al–O bond distances ranging from 1.78–2.40 Å. In the sixteenth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with two AlO6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. In the seventeenth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one AlO6 octahedra, corners with three SiO4 tetrahedra, and edges with two AlO6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of Al–O bond distances ranging from 1.89–1.97 Å. There are seven inequivalent B sites. In the first B site, B is bonded in a trigonal planar geometry to three O atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the second B site, B is bonded to four O atoms to form BO4 tetrahedra that share corners with four AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–55°. There are a spread of B–O bond distances ranging from 1.48–1.52 Å. In the third B site, B is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.35 Å) and two longer (1.40 Å) B–O bond length. In the fourth B site, B is bonded in a trigonal planar geometry to three O atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the fifth B site, B is bonded in a trigonal planar geometry to three O atoms. There is two shorter (1.37 Å) and one longer (1.40 Å) B–O bond length. In the sixth B site, B is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.35 Å) and two longer (1.40 Å) B–O bond length. In the seventh B site, B is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.37 Å) and two longer (1.39 Å) B–O bond length. There are eleven inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO6 octahedra, a cornercorner with one BO4 tetrahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–57°. There are a spread of Si–O bond distances ranging from 1.61–1.67 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–56°. There are a spread of Si–O bond distances ranging from 1.57–1.66 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Si–O bond distances ranging from 1.61–1.66 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–53°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the fifth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–57°. There are a spread of Si–O bond distances ranging from 1.62–1.65 Å. In the sixth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–53°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the seventh Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO6 octahedra, a cornercorner with one BO4 tetrahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–63°. There are a spread of Si–O bond distances ranging from 1.62–1.65 Å. In the eighth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–57°. There are a spread of Si–O bond distances ranging from 1.57–1.66 Å. In the ninth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Si–O bond distances ranging from 1.61–1.66 Å. In the tenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–57°. There are a spread of Si–O bond distances ranging from 1.61–1.64 Å. In the eleventh Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–58°. There are a spread of Si–O bond distances ranging from 1.62–1.65 Å. There are six inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the fourth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. In the fifth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the sixth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. There are sixty-two inequivalent O sites. In the first O site, O is bonded in a trigonal planar geometry to two Al and one Si atom. In the second O site, O is bonded in a trigonal planar geometry to two Al and one B atom. In the third O site, O is bonded in a distorted trigonal planar geometry to two Al and one Si atom. In the fourth O site, O is bonded in a distorted trigonal planar geometry to two Al and one Si atom. In the fifth O site, O is bonded in a distorted trigonal planar geometry to two Al and one B atom. In the sixth O site, O is bonded in a distorted trigonal planar geometry to two Al and one B atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to one Na, one B, and one Si atom. In the eighth O site, O is bonded in a 2-coordinate geometry to one Na and two Si atoms. In the ninth O site, O is bonded in a trigonal planar geometry to two Al and one Si atom. In the tenth O site, O is bonded in a trigonal planar geometry to two Al and one Si atom. In the eleventh O site, O is bonded in a distorted bent 120 degrees geometry to one Na and two Si atoms. In the twelfth O site, O is bonded in a distorted bent 120 degrees geometry to one Na and two Si atoms. In the thirteenth O site, O is bonded in a distorted single-bond geometry to three Al and one H atom. In the fourteenth O site, O is bonded in a distorted single-bond geometry

36 MATERIALS SCIENCE↗

Materials Data on Na4Al3Si3B(HO3)4 by Materials Project

Na4Al3(SiO4)3BH4 crystallizes in the cubic P-43n space group. The structure is three-dimensional and consists of two BH4 clusters and one Na4Al3(SiO4)3 framework. In each BH4 cluster, B3+ is bonded in a tetrahedral geometry to four equivalent H1+ atoms. All B–H bond lengths are 1.23 Å. H1+ is bonded in a single-bond geometry to one B3+ atom. In the Na4Al3(SiO4)3 framework, Na1+ is bonded in a trigonal non-coplanar geometry to three equivalent O2- atoms. All Na–O bond lengths are 2.36 Å. Al3+ is bonded to four equivalent O2- atoms to form AlO4 tetrahedra that share corners with four equivalent SiO4 tetrahedra. All Al–O bond lengths are 1.76 Å. Si+1.33+ is bonded to four equivalent O2- atoms to form SiO4 tetrahedra that share corners with four equivalent AlO4 tetrahedra. All Si–O bond lengths are 1.64 Å. O2- is bonded in a 3-coordinate geometry to one Na1+, one Al3+, and one Si+1.33+ atom.

36 MATERIALS SCIENCE↗