Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “F-Pr-Zr”

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.

Materials Data on PrZr3F15 by Materials Project

PrZr3F15 crystallizes in the trigonal R3m space group. The structure is three-dimensional. Pr3+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are a spread of Pr–F bond distances ranging from 2.38–2.46 Å. Zr4+ is bonded to seven F1- atoms to form corner-sharing ZrF7 pentagonal bipyramids. There are a spread of Zr–F bond distances ranging from 2.01–2.21 Å. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two equivalent Zr4+ atoms. In the second F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the third F1- site, F1- is bonded in a distorted linear geometry to one Pr3+ and one Zr4+ atom. In the fourth F1- site, F1- is bonded in a linear geometry to one Pr3+ and one Zr4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on PrZr3F15 by Materials Project

PrZr3F15 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Pr3+ sites. In the first Pr3+ site, Pr3+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Pr–F bond distances ranging from 2.35–2.44 Å. In the second Pr3+ site, Pr3+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Pr–F bond distances ranging from 2.36–2.41 Å. There are six inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Zr–F bond distances ranging from 2.05–2.46 Å. In the second Zr4+ site, Zr4+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Zr–F bond distances ranging from 2.04–2.38 Å. In the third Zr4+ site, Zr4+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Zr–F bond distances ranging from 2.02–2.08 Å. In the fourth Zr4+ site, Zr4+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Zr–F bond distances ranging from 2.03–2.35 Å. In the fifth Zr4+ site, Zr4+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Zr–F bond distances ranging from 2.05–2.36 Å. In the sixth Zr4+ site, Zr4+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Zr–F bond distances ranging from 2.01–2.08 Å. There are thirty inequivalent F1- sites. In the first F1- site, F1- is bonded in a linear geometry to two Zr4+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the third F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two Zr4+ atoms. In the fifth F1- site, F1- is bonded in a linear geometry to one Pr3+ and one Zr4+ atom. In the sixth F1- site, F1- is bonded in a linear geometry to one Pr3+ and one Zr4+ atom. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two Zr4+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two Zr4+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the twelfth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the thirteenth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two Zr4+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the fifteenth F1- site, F1- is bonded in a linear geometry to two Zr4+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the seventeenth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two Zr4+ atoms. In the eighteenth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two Zr4+ atoms. In the nineteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two Zr4+ atoms. In the twentieth F1- site, F1- is bonded in a bent 150 degrees geometry to two Zr4+ atoms. In the twenty-first F1- site, F1- is bonded in a distorted single-bond geometry to two Zr4+ atoms. In the twenty-second F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the twenty-third F1- site, F1- is bonded in a bent 150 degrees geometry to two Zr4+ atoms. In the twenty-fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two Zr4+ atoms. In the twenty-fifth F1- site, F1- is bonded in a linear geometry to one Pr3+ and one Zr4+ atom. In the twenty-sixth F1- site, F1- is bonded in a linear geometry to one Pr3+ and one Zr4+ atom. In the twenty-seventh F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the twenty-eighth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two Zr4+ atoms. In the twenty-ninth F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the thirtieth F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on PrZr2F11 by Materials Project

PrZr2F11 crystallizes in the orthorhombic Ibam space group. The structure is three-dimensional. Pr3+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are four shorter (2.40 Å) and four longer (2.42 Å) Pr–F bond lengths. Zr4+ is bonded to seven F1- atoms to form distorted corner-sharing ZrF7 pentagonal bipyramids. There are a spread of Zr–F bond distances ranging from 2.06–2.13 Å. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the second F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two equivalent Zr4+ atoms. In the third F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the fourth F1- site, F1- is bonded in a linear geometry to two equivalent Zr4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on PrZrF7 by Materials Project

PrZrF7 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. Pr3+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Pr–F bond distances ranging from 2.31–2.47 Å. Zr4+ is bonded in an octahedral geometry to six F1- atoms. There are four shorter (2.04 Å) and two longer (2.05 Å) Zr–F bond lengths. There are seven inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two equivalent Pr3+ atoms. In the second F1- site, F1- is bonded in a distorted linear geometry to one Pr3+ and one Zr4+ atom. In the third F1- site, F1- is bonded in a distorted linear geometry to one Pr3+ and one Zr4+ atom. In the fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the fifth F1- site, F1- is bonded in a distorted linear geometry to one Pr3+ and one Zr4+ atom. In the sixth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on PrZr3F15 by Materials Project

PrZr3F15 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Pr3+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Pr–F bond distances ranging from 2.35–2.40 Å. There are two inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Zr–F bond distances ranging from 2.02–2.09 Å. In the second Zr4+ site, Zr4+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Zr–F bond distances ranging from 2.05–2.45 Å. There are eight inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to two Zr4+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two Zr4+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two equivalent Zr4+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to one Pr3+ and one Zr4+ atom. In the seventh F1- site, F1- is bonded in a linear geometry to two equivalent Zr4+ atoms. In the eighth F1- site, F1- is bonded in a linear geometry to one Pr3+ and one Zr4+ atom.

36 MATERIALS SCIENCE↗