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Chemical compound From Wikipedia, the free encyclopedia
Einsteinium fluoride is a binary inorganic chemical compound of einsteinium and fluorine with the chemical formula EsF3.[1]
Names | |
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Other names
Einsteinium(III) fluoride, einsteinium trifluoride | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
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Properties | |
EsF3 | |
Molar mass | 309 g·mol−1 |
Appearance | crystals |
insoluble | |
Related compounds | |
Related compounds |
Californium(III) fluoride Berkelium(III) fluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Einsteinium fluoride can be precipitated from einsteinium(III) chloride solutions upon reaction with fluoride ions. An alternative preparation procedure is to expose einsteinium(III) oxide to chlorine trifluoride (ClF3) or F2 gas at a pressure of 1–2 atmospheres and a temperature between 300 and 400 °C. The EsF3 crystal structure is hexagonal, as in californium(III) fluoride (CfF3) where the Es3+ ions are 8-fold coordinated by fluorine ions in a bicapped trigonal prism arrangement.[2][3][4]
The compound forms crystals and is insoluble in water.[5]
The compound is reduced by metallic lithium:[6][7]
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