Rubidium telluride

Rubidium telluride
Identifiers
CAS Number	12210-70-7^Y
3D model (JSmol)	Interactive image
ECHA InfoCard	100.032.159
EC Number	235-388-2
PubChem CID	82970
CompTox Dashboard (EPA)	DTXSID20894847
InChI InChI=1S/2Rb.Te
SMILES [Rb][Te][Rb]
Properties
Chemical formula	Rb₂Te
Molar mass	298.54 g/mol
Appearance	yellow-green powder
Melting point	775 °C (1,427 °F; 1,048 K)
Related compounds
Other anions	Rubidium oxide Rubidium sulfide Rubidium selenide Rubidium polonide
Other cations	Lithium telluride Sodium telluride Potassium telluride Caesium telluride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

Rubidium telluride is the inorganic compound with the formula Rb₂Te. It is a yellow-green powder that melts at either 775 °C or 880 °C (two different values have been reported). It is an obscure material of minor academic interest.^[1]

Like other alkali metal chalcogenides, Rb₂Te is prepared from the elements in liquid ammonia.^[2]

Rubidium telluride is used in some space-based UV detectors.^{[citation needed]}

The compound has several polymorphs. At room temperature, ω-Rb₂Te is a metastable antiflourite type structure, and transforms to α-Rb₂Te upon heating, which is a PbCl₂ type structure.^[3]

References

^ Stöwe, K.; Appel, S. (2002). "Polymorphic Forms of Rubidium Telluride Rb2Te". Angewandte Chemie International Edition. 41 (15): 2725–30. doi:10.1002/1521-3773(20020802)41:15<2725::AID-ANIE2725>3.0.CO;2-G. PMID 12203467.
^ Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1.
^ Alay-e-Abbas, S.M.; Shaukat, A. (2011). "First principles study of structural, electronic and optical properties of polymorphic forms of Rb2Te". Solid State Sciences. 13 (5). Elsevier BV: 1052–1059. doi:10.1016/j.solidstatesciences.2011.01.021. ISSN 1293-2558.

External links

Sangster, J.; Pelton, A. D. (1997). "The Rb-Te (rubidium-tellurium) system". Journal of Phase Equilibria. 18 (4): 394. doi:10.1007/s11669-997-0068-9.
"Rubidium compounds: dirubidium telluride". WebElements: the periodic table on the web. WebElements. Retrieved 17 November 2011.

v t e Rubidium compounds
RbAg₄I₅ RbBr RbCl RbCN RbClO₄ RbF RbH RbHSO₄ RbI RbI₃ RbN₃ RbNO₃ RbOH Rb₂CO₃ Rb₂C₂O₄ Rb₂O Rb₂O₂ RbO₂ Rb₂SO₄ Rb₂S Rb₂Se Rb₂Te RbMnO₄ RbTcO₄ RbC₂H₃O₂ Rb₃AsO₄ Rb₂SeO₄ RbGeI₃ Rb₂TiF₆

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