Search NASA⌕ Search

SEARCH · Search NASA

Results for “KTeO7”

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.

2 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2019

Materials Data on KTeO7 by Materials Project

KTeO7 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one KTeO7 sheet oriented in the (1, 0, 0) direction. K is bonded in a 3-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.75–3.34 Å. Te is bonded in a distorted trigonal non-coplanar geometry to three O atoms. There are a spread of Te–O bond distances ranging from 1.84–2.08 Å. There are seven inequivalent O sites. In the first O site, O is bonded in a water-like geometry to two O atoms. There is one shorter (1.26 Å) and one longer (1.63 Å) O–O bond length. In the second O site, O is bonded in a distorted water-like geometry to one K and one Te atom. In the third O site, O is bonded in a distorted single-bond geometry to two equivalent K and one Te atom. In the fourth O site, O is bonded in a single-bond geometry to one O atom. The O–O bond length is 1.24 Å. In the fifth O site, O is bonded in a 4-coordinate geometry to two equivalent K, one Te, and one O atom. In the sixth O site, O is bonded in a single-bond geometry to one O atom. In the seventh O site, O is bonded in a 1-coordinate geometry to two equivalent K and one O atom.

36 MATERIALS SCIENCE↗
DOE OSTI2019

Materials Data on KTeO7 by Materials Project

KTeO7 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one KTeO7 sheet oriented in the (1, 0, 0) direction. K is bonded in a 2-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.67–3.38 Å. Te is bonded in a distorted trigonal non-coplanar geometry to three O atoms. There is two shorter (1.85 Å) and one longer (2.07 Å) Te–O bond length. There are seven inequivalent O sites. In the first O site, O is bonded in a water-like geometry to two O atoms. There is one shorter (1.26 Å) and one longer (1.59 Å) O–O bond length. In the second O site, O is bonded in a bent 150 degrees geometry to one K and one O atom. The O–O bond length is 1.23 Å. In the third O site, O is bonded in a 2-coordinate geometry to two equivalent K and one Te atom. In the fourth O site, O is bonded in a single-bond geometry to one O atom. In the fifth O site, O is bonded in a distorted bent 150 degrees geometry to one K and one O atom. In the sixth O site, O is bonded in a 1-coordinate geometry to two equivalent K, one Te, and one O atom. In the seventh O site, O is bonded in a 1-coordinate geometry to two equivalent K and one Te atom.

36 MATERIALS SCIENCE↗