Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Rb”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 1,513 records · Page 84

Materials Data on Rb2ZnBr4 by Materials Project

Rb2ZnBr4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 7-coordinate geometry to seven Br1- atoms. There are a spread of Rb–Br bond distances ranging from 3.58–3.99 Å. In the second Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine Br1- atoms. There are a spread of Rb–Br bond distances ranging from 3.51–4.13 Å. Zn2+ is bonded in a tetrahedral geometry to four Br1- atoms. There are a spread of Zn–Br bond distances ranging from 2.42–2.45 Å. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 1-coordinate geometry to four Rb1+ and one Zn2+ atom. In the second Br1- site, Br1- is bonded in a 1-coordinate geometry to four Rb1+ and one Zn2+ atom. In the third Br1- site, Br1- is bonded in a distorted single-bond geometry to four Rb1+ and one Zn2+ atom. In the fourth Br1- site, Br1- is bonded in a 1-coordinate geometry to four Rb1+ and one Zn2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on RbSO2F by Materials Project

RbSO2F crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Rb1+ is bonded in a 9-coordinate geometry to six equivalent O2- and three equivalent F1- atoms. There are four shorter (3.03 Å) and two longer (3.16 Å) Rb–O bond lengths. There are one shorter (3.00 Å) and two longer (3.28 Å) Rb–F bond lengths. S4+ is bonded in a trigonal non-coplanar geometry to two equivalent O2- and one F1- atom. Both S–O bond lengths are 1.48 Å. The S–F bond length is 1.83 Å. O2- is bonded in a distorted single-bond geometry to three equivalent Rb1+ and one S4+ atom. F1- is bonded in a 1-coordinate geometry to three equivalent Rb1+ and one S4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on RbTiAsO5 by Materials Project

RbTiOAsO4 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.79–3.26 Å. In the second Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.80–3.46 Å. There are two inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form distorted TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four AsO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are a spread of Ti–O bond distances ranging from 1.77–2.17 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four AsO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are a spread of Ti–O bond distances ranging from 1.81–2.08 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 48–54°. There is three shorter (1.72 Å) and one longer (1.74 Å) As–O bond length. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 49–52°. There is one shorter (1.70 Å) and three longer (1.73 Å) As–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+, one Ti4+, and one As5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one As5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+, one Ti4+, and one As5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Ti4+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Rb1+ and two Ti4+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one As5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one As5+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one As5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Rb1+, one Ti4+, and one As5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb2CuCl3 by Materials Project

Rb2CuCl3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded to seven Cl1- atoms to form distorted RbCl7 pentagonal bipyramids that share corners with four equivalent RbCl7 pentagonal bipyramids, corners with three equivalent CuCl4 tetrahedra, edges with eight RbCl7 pentagonal bipyramids, edges with three equivalent CuCl4 tetrahedra, and faces with two equivalent RbCl7 pentagonal bipyramids. There are a spread of Rb–Cl bond distances ranging from 3.33–3.42 Å. In the second Rb1+ site, Rb1+ is bonded to seven Cl1- atoms to form distorted RbCl7 pentagonal bipyramids that share corners with six RbCl7 pentagonal bipyramids, a cornercorner with one CuCl4 tetrahedra, edges with ten RbCl7 pentagonal bipyramids, and edges with four equivalent CuCl4 tetrahedra. There are a spread of Rb–Cl bond distances ranging from 3.28–3.38 Å. Cu1+ is bonded to four Cl1- atoms to form CuCl4 tetrahedra that share corners with four RbCl7 pentagonal bipyramids, corners with two equivalent CuCl4 tetrahedra, and edges with seven RbCl7 pentagonal bipyramids. There are two shorter (2.33 Å) and two longer (2.46 Å) Cu–Cl bond lengths. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded to five Rb1+ and one Cu1+ atom to form a mixture of distorted edge, face, and corner-sharing ClRb5Cu octahedra. The corner-sharing octahedra tilt angles range from 13–60°. In the second Cl1- site, Cl1- is bonded to five Rb1+ and one Cu1+ atom to form a mixture of distorted edge, face, and corner-sharing ClRb5Cu octahedra. The corner-sharing octahedra tilt angles range from 27–61°. In the third Cl1- site, Cl1- is bonded to four Rb1+ and two equivalent Cu1+ atoms to form a mixture of distorted edge, face, and corner-sharing ClRb4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 13–61°.

36 MATERIALS SCIENCE↗

Materials Data on Rb3H5Pt by Materials Project

Rb3PtH5 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a linear geometry to two equivalent H+0.20- atoms. Both Rb–H bond lengths are 3.02 Å. In the second Rb1+ site, Rb1+ is bonded in a 8-coordinate geometry to eight H+0.20- atoms. There are a spread of Rb–H bond distances ranging from 2.87–3.01 Å. Pt2- is bonded in a square co-planar geometry to four equivalent H+0.20- atoms. All Pt–H bond lengths are 1.67 Å. There are two inequivalent H+0.20- sites. In the first H+0.20- site, H+0.20- is bonded to six Rb1+ atoms to form corner-sharing HRb6 octahedra. The corner-sharing octahedra tilt angles range from 0–30°. In the second H+0.20- site, H+0.20- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Rb1+ and one Pt2- atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb3H5Pd by Materials Project

Rb3PdH5 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a linear geometry to two equivalent H1- atoms. Both Rb–H bond lengths are 3.05 Å. In the second Rb1+ site, Rb1+ is bonded in a 8-coordinate geometry to eight H1- atoms. There are a spread of Rb–H bond distances ranging from 2.86–3.04 Å. Pd2+ is bonded in a square co-planar geometry to four equivalent H1- atoms. All Pd–H bond lengths are 1.67 Å. There are two inequivalent H1- sites. In the first H1- site, H1- is bonded to six Rb1+ atoms to form corner-sharing HRb6 octahedra. The corner-sharing octahedra tilt angles range from 0–30°. In the second H1- site, H1- is bonded in a rectangular see-saw-like geometry to three equivalent Rb1+ and one Pd2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb2Sn(H2N)6 by Materials Project

Rb2Sn(NH2)6 crystallizes in the trigonal P-3 space group. The structure is two-dimensional and consists of one Rb2Sn(NH2)6 sheet oriented in the (0, 0, 1) direction. Rb1+ is bonded in a 9-coordinate geometry to three equivalent N3- and six equivalent H1+ atoms. All Rb–N bond lengths are 2.99 Å. There are three shorter (2.86 Å) and three longer (3.04 Å) Rb–H bond lengths. Sn4+ is bonded in an octahedral geometry to six equivalent N3- atoms. All Sn–N bond lengths are 2.22 Å. N3- is bonded in a distorted water-like geometry to one Rb1+, one Sn4+, and two H1+ atoms. Both N–H bond lengths are 1.03 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to two equivalent Rb1+ and one N3- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb3ZnH5 by Materials Project

Rb3ZnH5 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 8-coordinate geometry to eight H1- atoms. There are a spread of Rb–H bond distances ranging from 2.92–3.12 Å. In the second Rb1+ site, Rb1+ is bonded in a linear geometry to two equivalent H1- atoms. Both Rb–H bond lengths are 2.92 Å. Zn2+ is bonded in a tetrahedral geometry to four equivalent H1- atoms. All Zn–H bond lengths are 1.68 Å. There are two inequivalent H1- sites. In the first H1- site, H1- is bonded in a distorted single-bond geometry to three equivalent Rb1+ and one Zn2+ atom. In the second H1- site, H1- is bonded to six Rb1+ atoms to form corner-sharing HRb6 octahedra. The corner-sharing octahedra tilt angles range from 0–31°.

36 MATERIALS SCIENCE↗

Materials Data on Rb3MnH5 by Materials Project

Rb3MnH5 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a linear geometry to two equivalent H1- atoms. Both Rb–H bond lengths are 3.02 Å. In the second Rb1+ site, Rb1+ is bonded in a 4-coordinate geometry to eight H1- atoms. There are a spread of Rb–H bond distances ranging from 2.91–3.21 Å. Mn2+ is bonded in a tetrahedral geometry to four equivalent H1- atoms. All Mn–H bond lengths are 1.76 Å. There are two inequivalent H1- sites. In the first H1- site, H1- is bonded in a distorted single-bond geometry to three equivalent Rb1+ and one Mn2+ atom. In the second H1- site, H1- is bonded to six Rb1+ atoms to form corner-sharing HRb6 octahedra. The corner-sharing octahedra tilt angles range from 0–29°.

36 MATERIALS SCIENCE↗

Materials Data on Rb3MgH5 by Materials Project

Rb3MgH5 is Pb(Zr_(1-x)Ti_x)O3-like structured and crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 4-coordinate geometry to eight H1- atoms. There are a spread of Rb–H bond distances ranging from 2.87–3.22 Å. In the second Rb1+ site, Rb1+ is bonded in a linear geometry to two equivalent H1- atoms. Both Rb–H bond lengths are 3.08 Å. Mg2+ is bonded in a tetrahedral geometry to four equivalent H1- atoms. All Mg–H bond lengths are 1.85 Å. There are two inequivalent H1- sites. In the first H1- site, H1- is bonded in a 1-coordinate geometry to three equivalent Rb1+ and one Mg2+ atom. In the second H1- site, H1- is bonded to six Rb1+ atoms to form corner-sharing HRb6 octahedra. The corner-sharing octahedra tilt angles range from 0–29°.

36 MATERIALS SCIENCE↗

Materials Data on Rb2MgH4 by Materials Project

Rb2MgH4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a distorted single-bond geometry to one H1- atom. The Rb–H bond length is 2.83 Å. In the second Rb1+ site, Rb1+ is bonded in a 7-coordinate geometry to seven H1- atoms. There are a spread of Rb–H bond distances ranging from 2.87–3.14 Å. Mg2+ is bonded in a tetrahedral geometry to four H1- atoms. There are a spread of Mg–H bond distances ranging from 1.84–1.86 Å. There are three inequivalent H1- sites. In the first H1- site, H1- is bonded in a distorted single-bond geometry to two equivalent Rb1+ and one Mg2+ atom. In the second H1- site, H1- is bonded in a 3-coordinate geometry to two Rb1+ and one Mg2+ atom. In the third H1- site, H1- is bonded in a distorted single-bond geometry to two equivalent Rb1+ and one Mg2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb2MgH4 by Materials Project

Rb2MgH4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a trigonal non-coplanar geometry to three H1- atoms. There are two shorter (2.67 Å) and one longer (2.68 Å) Rb–H bond lengths. In the second Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to three H1- atoms. There are one shorter (2.65 Å) and two longer (2.80 Å) Rb–H bond lengths. Mg2+ is bonded in a tetrahedral geometry to four H1- atoms. There are a spread of Mg–H bond distances ranging from 1.84–1.88 Å. There are three inequivalent H1- sites. In the first H1- site, H1- is bonded in a bent 120 degrees geometry to one Rb1+ and one Mg2+ atom. In the second H1- site, H1- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and one Mg2+ atom. In the third H1- site, H1- is bonded in a 3-coordinate geometry to two Rb1+ and one Mg2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb4CO4 by Materials Project

Rb4CO4 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 4-coordinate geometry to four equivalent O2- atoms. All Rb–O bond lengths are 2.97 Å. In the second Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Rb–O bond distances ranging from 3.15–3.32 Å. C4+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.42 Å) and two longer (1.47 Å) C–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to four equivalent Rb1+ and one C4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to six Rb1+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb2Cr3O10 by Materials Project

Rb2Cr3O10 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Rb–O bond distances ranging from 3.00–3.43 Å. In the second Rb1+ site, Rb1+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Rb–O bond distances ranging from 2.94–3.38 Å. There are three inequivalent Cr6+ sites. In the first Cr6+ site, Cr6+ is bonded to four O2- atoms to form corner-sharing CrO4 tetrahedra. There is two shorter (1.61 Å) and two longer (1.74 Å) Cr–O bond length. In the second Cr6+ site, Cr6+ is bonded to four O2- atoms to form corner-sharing CrO4 tetrahedra. There is three shorter (1.63 Å) and one longer (1.83 Å) Cr–O bond length. In the third Cr6+ site, Cr6+ is bonded to four O2- atoms to form corner-sharing CrO4 tetrahedra. There is three shorter (1.63 Å) and one longer (1.83 Å) Cr–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two Rb1+ and one Cr6+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to three Rb1+ and one Cr6+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to two Rb1+ and one Cr6+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to two equivalent Rb1+ and one Cr6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one Cr6+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two Cr6+ atoms. In the seventh O2- site, O2- is bonded in a single-bond geometry to three Rb1+ and one Cr6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two Rb1+ and one Cr6+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to two Rb1+ and one Cr6+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two Cr6+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Rb3V2Br9 by Materials Project

Rb3V2Br9 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded to twelve Br1- atoms to form RbBr12 cuboctahedra that share corners with nine RbBr12 cuboctahedra, corners with three equivalent VBr6 octahedra, faces with seven RbBr12 cuboctahedra, and faces with four equivalent VBr6 octahedra. The corner-sharing octahedral tilt angles are 17°. There are a spread of Rb–Br bond distances ranging from 3.67–4.12 Å. In the second Rb1+ site, Rb1+ is bonded to twelve Br1- atoms to form RbBr12 cuboctahedra that share corners with twelve RbBr12 cuboctahedra, faces with six equivalent RbBr12 cuboctahedra, and faces with six equivalent VBr6 octahedra. There are six shorter (3.78 Å) and six longer (3.80 Å) Rb–Br bond lengths. V3+ is bonded to six Br1- atoms to form VBr6 octahedra that share corners with three equivalent RbBr12 cuboctahedra, faces with seven RbBr12 cuboctahedra, and a faceface with one VBr6 octahedra. There are three shorter (2.49 Å) and three longer (2.62 Å) V–Br bond lengths. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted single-bond geometry to four Rb1+ and one V3+ atom. In the second Br1- site, Br1- is bonded in a 2-coordinate geometry to four Rb1+ and two equivalent V3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Rb2V(PO4)2 by Materials Project

Rb2V(PO4)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Rb–O bond distances ranging from 2.96–3.32 Å. In the second Rb1+ site, Rb1+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Rb–O bond distances ranging from 2.86–3.38 Å. V4+ is bonded in a 5-coordinate geometry to five O2- atoms. There is one shorter (1.66 Å) and four longer (1.98 Å) V–O bond length. P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.64 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Rb1+ and one V4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+, one V4+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one V4+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two equivalent P5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on RbTiPO5 by Materials Project

RbTiOPO4 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.79–3.19 Å. In the second Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.80–3.48 Å. There are two inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 41–43°. There are a spread of Ti–O bond distances ranging from 1.81–2.11 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 41–43°. There are a spread of Ti–O bond distances ranging from 1.77–2.16 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–47°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–48°. There is one shorter (1.54 Å) and three longer (1.56 Å) P–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+, one Ti4+, and one P5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+, one Ti4+, and one P5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+, one Ti4+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Ti4+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Ti4+ atoms. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+, one Ti4+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+, one Ti4+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Ti4+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb2Cd2(SO4)3 by Materials Project

Rb2Cd2(SO4)3 crystallizes in the cubic P2_13 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 3-coordinate geometry to fifteen O2- atoms. There are a spread of Rb–O bond distances ranging from 3.01–3.52 Å. In the second Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.99–3.29 Å. There are two inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded to six O2- atoms to form CdO6 octahedra that share corners with six equivalent SO4 tetrahedra. There are three shorter (2.30 Å) and three longer (2.33 Å) Cd–O bond lengths. In the second Cd2+ site, Cd2+ is bonded to six O2- atoms to form CdO6 octahedra that share corners with six equivalent SO4 tetrahedra. There are three shorter (2.30 Å) and three longer (2.35 Å) Cd–O bond lengths. S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four CdO6 octahedra. The corner-sharing octahedra tilt angles range from 14–53°. There are a spread of S–O bond distances ranging from 1.48–1.50 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three Rb1+, one Cd2+, and one S6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+, one Cd2+, and one S6+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+, one Cd2+, and one S6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one Cd2+, and one S6+ atom.

36 MATERIALS SCIENCE↗