Silver(III) fluoride: Difference between revisions
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| ⚫ | '''Silver (III) fluoride''', AgF<sub>3</sub>, is an unstable, bright-red, diamagnetic compound containing [[silver]] in the unusual +3 [[oxidation state]]. Its crystal structure is very similar to that of [[Gold(III) fluoride]]: it is a [[polymer]] consisting of rectangular AgF<sub>4</sub> units linked into chains by fluoro bridges. |
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{{Underlinked|date=April 2016}} |
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| ⚫ | '''Silver (III) fluoride''', AgF<sub>3</sub>, is an unstable, bright-red, diamagnetic compound containing silver in the unusual +3 oxidation state. Its crystal structure is very similar to that of [[Gold(III) fluoride]]: it is a polymer consisting of rectangular AgF<sub>4</sub> units linked into chains by fluoro bridges. |
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== Preparation == |
== Preparation == |
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Earlier preparations were more heroic, involving the use of [[krypton difluoride]] as fluorinating agent, and tended to produce the mixed-valence Ag<sub>3</sub>F<sub>8</sub>. |
Earlier preparations were more heroic, involving the use of [[krypton difluoride]] as fluorinating agent, and tended to produce the mixed-valence Ag<sub>3</sub>F<sub>8</sub>. |
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{{cite journal | title=Silver Trifluoride: Preparation, Crystal Structure, Some Properties, and Comparison with AuF3 | journal=J Am Chem Soc |year=1991 | volume=113 | pages=4192–4198}} |
{{cite journal | title=Silver Trifluoride: Preparation, Crystal Structure, Some Properties, and Comparison with AuF3 | journal=J Am Chem Soc |year=1991 | volume=113 | pages=4192–4198}} |
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{{Silver compounds}} |
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{{Uncategorized|date=April 2016}} |
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[[Category:Fluorides]] |
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[[Category:Silver compounds]] |
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Revision as of 02:25, 27 April 2016
Silver (III) fluoride, AgF3, is an unstable, bright-red, diamagnetic compound containing silver in the unusual +3 oxidation state. Its crystal structure is very similar to that of Gold(III) fluoride: it is a polymer consisting of rectangular AgF4 units linked into chains by fluoro bridges.
Preparation
AgF3 can be prepared by treating a solution containing tetrafluoroargentate ions in anhydrous hydrogen fluoride with boron trifluoride. In anhydrous-HF solution, it decomposes spontaneously to Ag3F8 overnight at room temperature.
Earlier preparations were more heroic, involving the use of krypton difluoride as fluorinating agent, and tended to produce the mixed-valence Ag3F8.
References
"Silver Trifluoride: Preparation, Crystal Structure, Some Properties, and Comparison with AuF3". J Am Chem Soc. 113: 4192–4198. 1991.