Synthesis and crystal structure of rare-earth biuret complexes with linear pentaiodide ions: Infinite polyiodide chains in a cationic framework

2021 ◽  
Vol 1227 ◽  
pp. 129526
Author(s):  
Elena V. Savinkina ◽  
Denis V. Golubev ◽  
Mikhail S. Grigoriev ◽  
Aleksandr V. Kornilov
2006 ◽  
Vol 408-412 ◽  
pp. 1173-1176 ◽  
Author(s):  
Migaku Kobayashi ◽  
Ryouko Katsuraya ◽  
Syou Kurita ◽  
Makoto Yamaguchi ◽  
Hiroshisa Satoh ◽  
...  

2017 ◽  
Vol 72 (2) ◽  
pp. 95-99 ◽  
Author(s):  
Yang Chi ◽  
Yan Zhuang ◽  
Sheng-Ping Guo

AbstractThe synthesis and crystal structure of the rare earth borogermanate EuGeBO5 are reported. It is synthesized by high-temperature solid-state reaction and crystallizes in the monoclinic space group P21/c (no. 14) with the unit cell parameters a=4.8860(5), b=7.5229(8), c=9.9587(10) Å, and β=91.709(3)°. Its crystal structure features a polyanion-type layer (GeBO5)3− constructed by BO4 and GeO4 tetrahedra connected alternatingly. Eu3+ ions are located in cavities and are coordinated by eight O atoms. Various structures of the related compounds REMM′O5 (RE=rare earth metal; M=Si, Ge, and Sn; M′=B, Al, and Ga) are also discussed.


1986 ◽  
Vol 65 (1) ◽  
pp. 1-5 ◽  
Author(s):  
S. Zemni ◽  
Duc. Tranqui ◽  
P. Chaudouet ◽  
R. Madar ◽  
J.P. Senateur

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