Americium hexafluoride

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Americium hexafluoride is an inorganic chemical compound of americium metal and fluorine with the chemical formula AmF
6. It is still a hypothetical compound.[1][2] Synthesis by fluorination of americium tetrafluoride was unsuccessfully attempted in 1990.[3] A thermochromatographic identification in 1986 remains inconclusive.[4] Calculations suggest that it may be distorted from octahedral symmetry.[4]
Synthesis

It is proposed that AmF
6 can be prepared by in both the condensed and gaseous states by the reaction of KrF
2 with AmF
3 in anhydrous HF at 313–333 K.[5]

AmF₃ + KrF₂ → AmF₆ + Kr^[6]

References

Meyer, G.; Morss, L. R. (6 December 2012). Synthesis of Lanthanide and Actinide Compounds. Springer Science & Business Media. p. 80. ISBN 978-94-011-3758-4. Retrieved 29 March 2023.
O'Donnell, T. A. (8 June 2017). The Chemistry of Fluorine: Comprehensive Inorganic Chemistry. Elsevier. p. 1093. ISBN 978-1-4831-4642-3. Retrieved 29 March 2023.
Malm, J. G.; Weinstock, B.; Weaver, E. E. (1958). "The Preparation and Properties of NpF6; a Comparison with PuF6". The Journal of Physical Chemistry. 62 (12): 1506–1508. doi:10.1021/j150570a009.
Seppelt, Konrad (2015). "Molecular Hexafluorides". Chemical Reviews. 115 (2): 1296–1306. doi:10.1021/cr5001783. PMID 25418862.
Silva, R. J.; Bidoglio, G.; Robouch, P. B.; Puigdomenech, I.; Wanner, H.; Rand, M. H. (2 December 2012). Chemical Thermodynamics of Americium. Newnes. p. 114. ISBN 978-0-444-59935-3. Retrieved 29 March 2023.

Прусаков, Владимир Николаевич (2013). Избранные научные труды (in Russian). Rosatom. p. 59. Retrieved 29 March 2023.

Salts and covalent derivatives of the fluoride ion

HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 OF2 O2F2 OF O3F2 O4F2 ?OF4 F2 Ne NaF MgF2 AlF AlF3 SiF4 P2F4 PF3 PF5 S2F2 SF2 S2F4 SF3 SF4 S2F10 SF6 +SO4 ClF ClF3 ClF5 ?ArF2 ?ArF4 KF CaF CaF2 ScF3 TiF2 TiF3 TiF4 VF2 VF3 VF4 VF5 CrF2 CrF3 CrF4 CrF5 ?CrF6 MnF2 MnF3 MnF4 MnF5 FeF2 FeF3 FeF4 CoF2 CoF3 NiF2 NiF3 CuF CuF2 ?CuF3 ZnF2 GaF2 GaF3 GeF2 GeF4 AsF3 AsF5 Se2F2 SeF4 SeF6 +SeO3 BrF BrF3 BrF5 KrF2 ?KrF4 ?KrF6 RbF SrF SrF2 YF3 ZrF3 ZrF4 NbF4 NbF5 MoF4 MoF5 MoF6 TcF4 TcF 5 TcF6 RuF3 RuF 4 RuF5 RuF6 RhF3 RhF4 RhF5 RhF6 PdF2 Pd[PdF6] PdF4 Ag2F AgF AgF2 AgF3 CdF2 InF InF3 SnF2 SnF4 SbF3 SbF5 TeF4 TeF6 +TeO3 IF IF3 IF5 IF7 +IO3 XeF2 XeF4 XeF6 ?XeF8 CsF BaF2   LuF3 HfF4 TaF5 WF4 WF5 WF6 ReF4 ReF5 ReF6 ReF7 OsF4 OsF5 OsF6 OsF 7 ?OsF 8 IrF2 IrF3 IrF4 IrF5 IrF6 PtF2 Pt[PtF6] PtF4 PtF5 PtF6 AuF AuF3 Au2F10 ?AuF6 AuF5•F2 Hg2F2 HgF2 ?HgF4 TlF TlF3 PbF2 PbF4 BiF3 BiF5 PoF2 PoF4 PoF6 AtF ?AtF3 ?AtF5 RnF2 ?RnF 4 ?RnF 6 FrF RaF2   LrF3 Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og ↓ LaF3 CeF3 CeF4 PrF3 PrF4 NdF2 NdF3 NdF4 PmF3 SmF2 SmF3 EuF2 EuF3 GdF3 TbF3 TbF4 DyF2 DyF3 DyF4 HoF3 ErF3 TmF2 TmF3 YbF2 YbF3 AcF3 ThF4 PaF4 PaF5 UF3 UF4 UF5 UF6 NpF3 NpF4 NpF5 NpF6 PuF3 PuF4 PuF5 PuF6 AmF2 AmF3 AmF4 AmF6 CmF3 CmF4 CmF6 BkF3 BkF 4 CfF3  ?CfF4 EsF3 EsF4 ?EsF6 Fm Md N

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