Alkaline Earth Metal Nitride Chalcogenides, Ca6N2Se3, Sr6N2Se3 and Sr6N2Te3

被引：0
|
作者：
Sun, Guowei [1 ]
Niewa, Rainer [1 ]
机构：
[1] Univ Stuttgart, Inst Inorgan Chem, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2025年 / 28卷 / 09期
关键词：
Selenides; Tellurides; Nitrides; Crystal structure; Sodium flux synthesis; CRYSTAL-STRUCTURE; FLUX; TOOL; CE;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The novel isotypic hexagonal alkaline earth metal nitride chalcogenides Ca6N2Se3, Sr6N2Se3 and Sr6N2Te3 (R 3c (No.167); Z=6) were synthesized from Ca(Sr)/Na flux at 1173 K. The compounds belong to the rare class of ternary metal nitride chalcogenides. The structures feature the shortest Ca/Sr-N bonds within the regular trigonal antiprismatic coordination (Ca-N: 235.17(8); Sr-N: 251.20(6) pm). Two crystallographic distinct nitrogen atoms are coordinated in a trigonal antiprism and a twisted trigonal prism, respectively, and are alternatively condensed via trigonal trans-faces to form one-dimensional chains infinity 1NAE6/2f3+. The chalcogenide ions in comparison realize rather ambiguous environments. Raman spectroscopic data are reported.
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页数：5
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