Strontium selenide
Chemical compound From Wikipedia, the free encyclopedia
Strontium selenide is an inorganic compound with the chemical formula SrSe.
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CompTox Dashboard (EPA) |
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| SrSe | |
| Molar mass | 166.58 |
| Appearance | White powder, turns reddish brown when exposed to air[1] |
| Density | 4.5 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Preparation
Strontium selenide can be prepared by reducing strontium selenate with hydrogen at 600 °C.[2] It can also be produced by reacting strontium and hydrogen selenide in liquid ammonia.[3]
Properties
Strontium selenide crystallizes in the orthorhombic crystal system with space group Fm3m. It has a NaCl structure.[4][5] It transforms into a CsCl structure with a space group Pm3m under high pressure (14 GPa).[6]
It reacts with mercury selenide and germanium diselenide at high temperature to obtain the SrHgGeSe4 crystal.[7] It reacts with thorium and selenium at high temperature in the presence of tin to obtain SrTh2Se5.[8]
References
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