Borotellurites
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Borotellurites are chemical mixed anion compounds that contain any kind of borate and tellurite ions bound together via oxygen. They are distinct from borotellurates in which tellurium is in +6 oxidation state. There are also analogous boroselenites, with selenium instead of tellurium, and borosulfates containing sulfur. Borotellurites are colourless.
List
| chem | mw | crystal system | space group | unit cell | volume | density | comments | references |
|---|---|---|---|---|---|---|---|---|
| K3BaTeB7O15 | monoclinic | P21/c | a=8.979 b=6.303 c=25.869 β=98.095° | transparent above 235 nm | [1] | |||
| LaTeBO5 | 357.32 | orthorhombic | Pbca | a=10.8220 b=6.9216 c=11.5812 Z=8 | 867.50 | 5.472 | colourless; large birefringence | [2] |
References
- ^ Zhang, Ting; Deng, Li-Han; Xie, Wen-Long; Bai, Chun-Yan; Feng, Jun-Wei; Zheng, Jing-Jing; An, Dong-Hai (March 2022). "K3BaTeB7O15: A new borotellurite with mixed metal cations". Journal of Molecular Structure. 1252: 132181. doi:10.1016/j.molstruc.2021.132181.
- ^ Wang, Jiankang; Wu, Hongping; Yu, Hongwei; Hu, Zhanggui; Wang, Jiyang; Wu, Yicheng (2021). "LaTeBO 5 : a new borotellurite with a large birefringence activated by the highly distorted [Te (iv) O 4 ] group". Dalton Transactions. 50 (36): 12404–12407. doi:10.1039/D1DT01639C. ISSN 1477-9226.