Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10

Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10

The crystal structure of K5PrLi2F10 is isotypic with those of other K5RELi2F10 compounds (RE = Eu, Nd). The lanthanoid ions are isolated in K5PrLi2F10, with a mean separation between the Pr ions of 7.356 Å. It classifies this crystal as a so-called self-activated material...

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Main Author: Anna Gagor
Format: Article
Language:English
Published: International Union of Crystallography 2009-11-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536809044043
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spelling doaj-cf77b1bb018d4c8ca8c21228afbb93812020-11-25T02:15:04ZengInternational Union of CrystallographyActa Crystallographica Section E1600-53682009-11-016511i81i8110.1107/S1600536809044043Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10Anna GagorThe crystal structure of K5PrLi2F10 is isotypic with those of other K5RELi2F10 compounds (RE = Eu, Nd). The lanthanoid ions are isolated in K5PrLi2F10, with a mean separation between the Pr ions of 7.356 Å. It classifies this crystal as a so-called self-activated material containing lanthanoid ions within the matrix. Except for two K+ and two F− ions, all atoms are located on sites with m symmetry. In the structure, distorted PrF8 dodecahedra and two different LiF4 tetrahedra share F atoms, forming sheets parallel to (100). The isolated PrF8 dodecahedra exhibit a mean Pr—F distance of 2.406 Å. The K+ cations are located within and between these sheets, leading to highly irregular KFx polyhedra with coordination numbers of eight and nine for the alkali metal cations. http://scripts.iucr.org/cgi-bin/paper?S1600536809044043
collection DOAJ
language English
format Article
sources DOAJ
author Anna Gagor
spellingShingle Anna Gagor
Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10
Acta Crystallographica Section E
author_facet Anna Gagor
author_sort Anna Gagor
title Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10
title_short Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10
title_full Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10
title_fullStr Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10
title_full_unstemmed Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10
title_sort pentapotassium praseodymium(iii) dilithium decafluoride, k5prli2f10
publisher International Union of Crystallography
series Acta Crystallographica Section E
issn 1600-5368
publishDate 2009-11-01
description The crystal structure of K5PrLi2F10 is isotypic with those of other K5RELi2F10 compounds (RE = Eu, Nd). The lanthanoid ions are isolated in K5PrLi2F10, with a mean separation between the Pr ions of 7.356 Å. It classifies this crystal as a so-called self-activated material containing lanthanoid ions within the matrix. Except for two K+ and two F− ions, all atoms are located on sites with m symmetry. In the structure, distorted PrF8 dodecahedra and two different LiF4 tetrahedra share F atoms, forming sheets parallel to (100). The isolated PrF8 dodecahedra exhibit a mean Pr—F distance of 2.406 Å. The K+ cations are located within and between these sheets, leading to highly irregular KFx polyhedra with coordination numbers of eight and nine for the alkali metal cations.
url http://scripts.iucr.org/cgi-bin/paper?S1600536809044043
work_keys_str_mv AT annagagor pentapotassiumpraseodymiumiiidilithiumdecafluoridek5prli2f10
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