View source for Chemistry:Americium hexafluoride

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| ImageFile = Americium hexafluoride.svg
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| IUPACName = 
| OtherNames = Americium(VI) fluoride
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| Section1 = {{Chembox Identifiers
| CASNo = 90116-77-1
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| ChemSpiderID = 
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| SMILES = F[Am](F)(F)(F)(F)F
| StdInChI=1S/Am.6FH/h;6*1H/q+6;;;;;;/p-6
| StdInChIKey= MOPXCOMYGFTBPM-UHFFFAOYSA-H
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| Section2 = {{Chembox Properties
| Am=1|F=6
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| Section7 = {{Chembox Hazards
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|Section6={{Chembox Related
| OtherCompounds = [[Chemistry:Uranium hexafluoride|Uranium hexafluoride]]<br>[[Chemistry:Curium hexafluoride|Curium hexafluoride]]<br>[[Chemistry:Einsteinium hexafluoride|Einsteinium hexafluoride]]
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'''Americium hexafluoride''' is an inorganic chemical compound of [[Chemistry:Americium|americium]] metal and [[Chemistry:Fluorine|fluorine]] with the chemical formula {{chem|Am|F|6}}. It is still a hypothetical compound.<ref>{{cite book |last1=Meyer |first1=G. |last2=Morss |first2=L. R. |title=Synthesis of Lanthanide and Actinide Compounds |date=6 December 2012 |publisher=Springer Science & Business Media |isbn=978-94-011-3758-4 |page=80 |url=https://books.google.com/books?id=z0jvCAAAQBAJ&dq=Americium+hexafluoride&pg=PA80 |access-date=29 March 2023 |language=en}}</ref><ref>{{cite book |last1=O'Donnell |first1=T. A. |title=The Chemistry of Fluorine: Comprehensive Inorganic Chemistry |date=8 June 2017 |publisher=[[Company:Elsevier|Elsevier]] |isbn=978-1-4831-4642-3 |page=1093 |url=https://books.google.com/books?id=ED79BAAAQBAJ&dq=Americium+hexafluoride&pg=PA1093 |access-date=29 March 2023 |language=en}}</ref> Synthesis by fluorination of americium tetrafluoride was unsuccessfully attempted in 1990.<ref>{{cite journal |last1= Malm |first1= J. G. |last2= Weinstock |first2= B. |last3= Weaver |first3= E. E. |title= The Preparation and Properties of NpF<sub>6</sub>; a Comparison with PuF<sub>6</sub> |journal= The Journal of Physical Chemistry |year= 1958 |volume= 62 |issue= 12 |pages= 1506–1508 |doi= 10.1021/j150570a009 }}</ref> A thermochromatographic identification in 1986 remains inconclusive.<ref name=Seppelt>{{cite journal |last1=Seppelt |first1=Konrad |date=2015 |title=Molecular Hexafluorides |journal=Chemical Reviews |volume=115 |issue=2 |pages=1296–1306 |doi=10.1021/cr5001783|pmid=25418862 }}</ref> Calculations suggest that it may be distorted from octahedral symmetry.<ref name=Seppelt/>

==Synthesis==
It is proposed that {{chem|Am|F|6}} can be prepared by in both the condensed and gaseous states by the reaction of {{chem|Kr|F|2}} with [[Chemistry:Americium(III) fluoride|{{chem|Am|F|3}}]] in anhydrous HF at 313–333 K.<ref>{{cite book |last1=Silva |first1=R. J. |last2=Bidoglio |first2=G. |last3=Robouch |first3=P. B. |last4=Puigdomenech |first4=I. |last5=Wanner |first5=H. |last6=Rand |first6=M. H. |title=Chemical Thermodynamics of Americium |date=2 December 2012 |publisher=Newnes |isbn=978-0-444-59935-3 |page=114 |url=https://books.google.com/books?id=yK3sMN_6llAC&dq=Americium+hexafluoride&pg=PA114 |access-date=29 March 2023 |language=en}}</ref>

::{{chem2|AmF3 + KrF2 -> AmF6 + Kr}}<ref>{{cite book |last1=Прусаков |first1=Владимир Николаевич |title=Избранные научные труды |date=2013 |publisher=Rosatom |page=59 |url=http://elib.biblioatom.ru/text/prusakov_2013/go,58/ |access-date=29 March 2023 |language=ru}}</ref>

==References==
{{Reflist}}

{{Hexafluorides}}
{{Americium compounds}}
{{Fluorides}}

[[Category:Americium compounds]]
[[Category:Fluorides]]
[[Category:Metal halides]]
[[Category:Hexafluorides]]
[[Category:Hypothetical chemical compounds]]
[[Category:Theoretical chemistry]]
[[Category:Actinide halides]]



{{Sourceattribution|Americium hexafluoride}}