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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Rb2Te by Materials Project

Rb2Te is Cotunnite structured and 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 five equivalent Te2- atoms to form distorted RbTe5 square pyramids that share corners with eight equivalent RbTe5 square pyramids, corners with eight equivalent RbTe4 tetrahedra, edges with six equivalent RbTe5 square pyramids, and edges with six equivalent RbTe4 tetrahedra. There are a spread of Rb–Te bond distances ranging from 3.78–4.23 Å. In the second Rb1+ site, Rb1+ is bonded to four equivalent Te2- atoms to form RbTe4 tetrahedra that share corners with eight equivalent RbTe5 square pyramids, corners with eight equivalent RbTe4 tetrahedra, edges with six equivalent RbTe5 square pyramids, and edges with two equivalent RbTe4 tetrahedra. There are a spread of Rb–Te bond distances ranging from 3.60–3.69 Å. Te2- is bonded in a 9-coordinate geometry to nine Rb1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb2Te3 by Materials Project

Rb2Te3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Rb is bonded in a 8-coordinate geometry to eight Te atoms. There are a spread of Rb–Te bond distances ranging from 3.69–4.07 Å. There are three inequivalent Te sites. In the first Te site, Te is bonded in a 7-coordinate geometry to six equivalent Rb and one Te atom. The Te–Te bond length is 2.88 Å. In the second Te site, Te is bonded in a 7-coordinate geometry to six equivalent Rb and one Te atom. The Te–Te bond length is 2.88 Å. In the third Te site, Te is bonded in a 6-coordinate geometry to four equivalent Rb and two Te atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbTe6 by Materials Project

RbTe6 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Rb1+ is bonded in a 12-coordinate geometry to twelve Te+0.17- atoms. There are a spread of Rb–Te bond distances ranging from 3.69–4.25 Å. There are three inequivalent Te+0.17- sites. In the first Te+0.17- site, Te+0.17- is bonded in a 4-coordinate geometry to two equivalent Rb1+ and three Te+0.17- atoms. There are a spread of Te–Te bond distances ranging from 2.83–3.55 Å. In the second Te+0.17- site, Te+0.17- is bonded in a 2-coordinate geometry to two equivalent Rb1+ and four Te+0.17- atoms. There are a spread of Te–Te bond distances ranging from 3.20–3.37 Å. In the third Te+0.17- site, Te+0.17- is bonded in a 7-coordinate geometry to two equivalent Rb1+ and five Te+0.17- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb2Te5 by Materials Project

Rb2Te5 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Rb1+ is bonded in a 9-coordinate geometry to nine Te+0.40- atoms. There are a spread of Rb–Te bond distances ranging from 3.75–4.02 Å. There are two inequivalent Te+0.40- sites. In the first Te+0.40- site, Te+0.40- is bonded in an octahedral geometry to two equivalent Rb1+ and four equivalent Te+0.40- atoms. All Te–Te bond lengths are 3.08 Å. In the second Te+0.40- site, Te+0.40- is bonded in a 7-coordinate geometry to four equivalent Rb1+ and three Te+0.40- atoms. There are one shorter (2.84 Å) and one longer (3.43 Å) Te–Te bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb2Te by Materials Project

Rb2Te 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 six equivalent Te2- atoms to form RbTe6 octahedra that share corners with twelve equivalent RbTe6 octahedra, corners with twelve equivalent RbTe5 trigonal bipyramids, edges with six equivalent RbTe6 octahedra, faces with two equivalent RbTe6 octahedra, and faces with six equivalent RbTe5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 51–52°. There are a spread of Rb–Te bond distances ranging from 4.08–4.10 Å. In the second Rb1+ site, Rb1+ is bonded to five equivalent Te2- atoms to form RbTe5 trigonal bipyramids that share corners with twelve equivalent RbTe6 octahedra, corners with eight equivalent RbTe5 trigonal bipyramids, edges with six equivalent RbTe5 trigonal bipyramids, and faces with six equivalent RbTe6 octahedra. The corner-sharing octahedra tilt angles range from 30–60°. There are a spread of Rb–Te bond distances ranging from 3.54–4.09 Å. Te2- is bonded in a 11-coordinate geometry to eleven Rb1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb2Te by Materials Project

Rb2Te is Fluorite structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Rb1+ is bonded to four equivalent Te2- atoms to form a mixture of corner and edge-sharing RbTe4 tetrahedra. All Rb–Te bond lengths are 3.73 Å. Te2- is bonded in a body-centered cubic geometry to eight equivalent Rb1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb2Te by Materials Project

Rb2Te 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 six equivalent Te2- atoms to form distorted RbTe6 octahedra that share corners with twelve equivalent RbTe6 octahedra, corners with twelve equivalent RbTe5 trigonal bipyramids, edges with six equivalent RbTe6 octahedra, faces with two equivalent RbTe6 octahedra, and faces with six equivalent RbTe5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 51–52°. There are a spread of Rb–Te bond distances ranging from 4.02–4.21 Å. In the second Rb1+ site, Rb1+ is bonded to five equivalent Te2- atoms to form distorted RbTe5 trigonal bipyramids that share corners with twelve equivalent RbTe6 octahedra, corners with eight equivalent RbTe5 trigonal bipyramids, edges with six equivalent RbTe5 trigonal bipyramids, and faces with six equivalent RbTe6 octahedra. The corner-sharing octahedra tilt angles range from 29–61°. There are a spread of Rb–Te bond distances ranging from 3.55–4.13 Å. Te2- is bonded in a 11-coordinate geometry to eleven Rb1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbTe by Materials Project

RbTe crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. Rb1+ is bonded in a 8-coordinate geometry to eight equivalent Te1- atoms. There are a spread of Rb–Te bond distances ranging from 3.73–4.07 Å. Te1- is bonded in a 9-coordinate geometry to eight equivalent Rb1+ and one Te1- atom. The Te–Te bond length is 2.86 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbTe by Materials Project

RbTe crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six Te1- atoms. There are two shorter (3.78 Å) and four longer (3.82 Å) Rb–Te bond lengths. In the second Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six Te1- atoms. There are four shorter (3.72 Å) and two longer (3.76 Å) Rb–Te bond lengths. There are two inequivalent Te1- sites. In the first Te1- site, Te1- is bonded in a 8-coordinate geometry to six Rb1+ and one Te1- atom. The Te–Te bond length is 2.84 Å. In the second Te1- site, Te1- is bonded in a 8-coordinate geometry to six Rb1+ and one Te1- atom. The Te–Te bond length is 2.82 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbTe by Materials Project

RbTe is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Rb1+ is bonded to six equivalent Te1- atoms to form a mixture of corner and edge-sharing RbTe6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Rb–Te bond lengths are 3.74 Å. Te1- is bonded to six equivalent Rb1+ atoms to form a mixture of corner and edge-sharing TeRb6 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbTe by Materials Project

RbTe is Zincblende, Sphalerite structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Rb1+ is bonded to four equivalent Te1- atoms to form corner-sharing RbTe4 tetrahedra. All Rb–Te bond lengths are 3.64 Å. Te1- is bonded to four equivalent Rb1+ atoms to form corner-sharing TeRb4 tetrahedra.

36 MATERIALS SCIENCE↗