Sodium Selenotetrelates with Isolated TtSe4-Tetrahedra (Tt = Si, Ge, Sn): Synthesis, Crystal Structures, Thermal Behavior, DFT Modeling, and Na Ion Conductivities

URN to cite this document:: urn:nbn:de:bvb:355-epub-586182
DOI to cite this document:: 10.5283/epub.58618

Kamm, Franziska ; Pielnhofer, Florian

; Pfitzner, Arno

License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 05 Jul 2024 17:09

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Abstract

Selenotetrelate compounds Na4TtSe4 (Tt = Si, Ge, Sn) were synthesized by solid-state reactions. A new modification of Na4SiSe4 (Na4SiSe4-cP72), which crystallizes in the cubic space group P4̅3n (no. 218) with a = 12.130(1) Å and V = 1784.453(5) Å3, and a new modification of Na4SnSe4 (Na4SnSe4-tI216), which crystallizes in the tetragonal space group I41/acd (no. 142) with a = 14.4053(4) Å, c = ...