Penta­terbium lithium tris­tannide, Tb(5)LiSn(3)

The new ternary phase penta­terbium lithium tris­tannide, Tb(5)LiSn(3), crystallizes in the hexa­gonal Hf(5)CuSn(3) structure type, which is a ‘filled’ version of the binary RE (5)Sn(3) phases (Mn(5)Si(3)-type) (RE is rare earth). The asymmetric unit contains two Tb sites (site symmetries 3.2 and m2...

Descripción completa

Detalles Bibliográficos
Autores principales: Stetskiv, Andrij, Tarasiuk, Ivan, Misztal, Renata, Pavlyuk, Volodymyr
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2011
Materias:
Inorganic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3246906/
https://www.ncbi.nlm.nih.gov/pubmed/22219726
http://dx.doi.org/10.1107/S1600536811041328
Descripción
Sumario:The new ternary phase penta­terbium lithium tris­tannide, Tb(5)LiSn(3), crystallizes in the hexa­gonal Hf(5)CuSn(3) structure type, which is a ‘filled’ version of the binary RE (5)Sn(3) phases (Mn(5)Si(3)-type) (RE is rare earth). The asymmetric unit contains two Tb sites (site symmetries 3.2 and m2m), one Li site (site symmetry [Image: see text].m) and one Sn site (site symmetry m2m). The 14-vertex Frank–Kasper polyhedra are typical for Li and Tb atoms. The environment of the Sn atom is a pseudo-Frank–Kasper polyhedron with a coordination number of 13 for the tin atom. One of the Tb atoms is enclosed in a 17-vertex polyhedron. The metallic type of bonding was indicated by an analysis of the inter­atomic distances.

Ejemplares similares