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Neptunium(III) iodida

Neptunium(III) iodida
Penanda
Model 3D (JSmol)
3DMet {{{3DMet}}}
Nomor EC
Nomor RTECS {{{value}}}
  • InChI=1S/3HI.Np/h3*1H;/q;;;+3/p-3
    Key: CZAMOQBPJFUDFF-UHFFFAOYSA-K
  • [I-].[I-].[I-].[Np+3]
Sifat
I3Np
Massa molar 617,71 g·mol−1
Penampilan Padatan cokelat[1]
Densitas 6,82 g·cm−3[2]
Titik lebur 767 °C[1]
Struktur
Ortorombik
Ccmm (No. 63)
a = 430 pm, b = 1403 pm, c = 995 pm
Senyawa terkait
Anion lain
Neptunium(III) fluorida
Neptunium(III) klorida
Neptunium(III) bromida
Kation lainnya
Uranium(III) iodida
Plutonium(III) iodida
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
Referensi

Neptunium(III) iodida adalah sebuah senyawa iodida dari neptunium dengan rumus kimia NpI3.

Pembuatan

Neptunium(III) iodida dapat diproduksi melalui reaksi antara neptunium dioksida dan aluminium iodida:[3]

6 NpO
2
+ 8 AlI
3
→ 6 NpI
3
+ 4 Al
2
O
3
+ 3 I
2

Sifat

Neptunium(III) iodida adalah padatan berwarna cokelat yang bersifat higroskopis dengan titik lebur 767 °C. Ia memiliki struktur ortorombik (struktur plutonium(III) bromida), grup ruang Ccmm (No. 63), parameter kisi a = 430 pm, b = 1403 pm, dan c = 995 pm.[4]

Referensi

  1. ^ a b Holleman, A. F.; Wiberg, E. (2001), Inorganic Chemistry, San Diego: Academic Press, hlm. 1969, ISBN 0-12-352651-5 
  2. ^ Gmelins Handbuch der anorganischen Chemie, System Nr. 71, Transurane, Teil C, S. 154–155.
  3. ^ Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band II, Ferdinand Enke, Stuttgart 1978, ISBN 3-432-87813-3, S. 1269.
  4. ^ C. Keller: Die Chemie des Neptuniums. In: Fortschr. chem. Forsch., 1969/70, 13/1, S. 69.

Bacaan lebih lanjut

  • Yoshida, Zenko; Johnson, Stephen G.; Kimura, Takaumi; Krsul, John R. (2006), Morss, Lester R.; Edelstein, Norman M.; Fuger, Jean, ed., "Neptunium", The Chemistry of the Actinide and Transactinide Elements (dalam bahasa Inggris), Dordrecht: Springer Netherlands, hlm. 699–812, doi:10.1007/1-4020-3598-5_6, ISBN 978-1-4020-3555-5, diakses tanggal 9 Februari 2024 

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