Chemistry:Ytterbium(III) iodide

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Ytterbium(III) iodide
Kristallstruktur Bismut(III)-iodid.png
Names
Other names
Ytterbium triiodide
Ytterbium iodide
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 237-474-5
Properties
YbI3
Appearance yellow crystals[1]
Melting point 700 °C (1,292 °F; 973 K) decomposes[1]
soluble[1]
Hazards
GHS pictograms GHS07: Harmful
GHS Signal word Warning
H315, H319, H335
P261, P264, P264+265Script error: No such module "Preview warning".Category:GHS errors, P271, P280, P302+352, P304+340, P305+351+338, P319Script error: No such module "Preview warning".Category:GHS errors, P321, P332+317Script error: No such module "Preview warning".Category:GHS errors, P337+317Script error: No such module "Preview warning".Category:GHS errors, P362+364Script error: No such module "Preview warning".Category:GHS errors, P403+233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Ytterbium(III) iodide is one of ytterbium's iodides, with the chemical formula of YbI3.

Preparation

Ytterbium(III) iodide can be prepared by reacting metallic ytterbium with iodine at 500°C with a 30 atm pressure:[3]

2 Yb + 3 I2 → 2 YbI3

Ytterbium(III) oxide, ytterbium(III) hydroxide or ytterbium(III) carbonate can react with hydroiodic acid to obtain ytterbium(III) iodide in aqueous solution:

Yb2O3 + 6 HI → 2 YbI3 + 3 H2O
Yb(OH)3 + 3 HI → YbI3 + 3 H2O
Yb2(CO3)3 + 6 HI → 2 YbI3 + 3 H2O + 3 CO2

The ytterbium(III) iodide hydrate crystallized from the solution can be heated with ammonium iodide to obtain the anhydrous form.[4]

Reactions

Ytterbium(III) iodide decomposes to ytterbium(II) iodide upon heating:[5]

2 YbI3 → 2 YbI2 + I2

References

  1. 1.0 1.1 1.2 Lide, David R., ed (2009). CRC Handbook of Chemistry and Physics (90th ed.). Boca Raton, Florida: CRC Press. pp. 4-99. ISBN 978-1-4200-9084-0. 
  2. "Ytterbium iodide (YbI3)" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/83751#section=Safety-and-Hazards. 
  3. Asprey, L. B.; Keenan, T. K.; Kruse, F. H. Preparation and crystal data for lanthanide and actinide triiodides. Inorg. Chem., 1964. 3 (8): 1137-1240
  4. 无机化学丛书 第七卷 钪 稀土元素. 科学出版社. pp 211
  5. G. Jantsch, N. Skalla, H. Jawurek (1931-11-10). "Zur Kenntnis der Halogenide der seltenen Erden. V. Über die Halogenide des Ytterbiums" (in en). Zeitschrift für anorganische und allgemeine Chemie 201 (1): 207–220. doi:10.1002/zaac.19312010119. https://onlinelibrary.wiley.com/doi/10.1002/zaac.19312010119. Retrieved 2022-09-15. 
HI He
LiI BeI2 BI3 CI4 NI3 I2O4,
I2O5,
I4O9
IF,
IF3,
IF5,
IF7
Ne
NaI MgI2 AlI3 SiI4 PI3,
P2I4
S ICl,
ICl3
Ar
KI CaI2 Sc TiI4 VI3 CrI3 MnI2 FeI2 CoI2 NiI2 CuI ZnI2 Ga2I6 GeI2,
GeI4
AsI3 Se IBr Kr
RbI SrI2 YI3 ZrI4 NbI5 Mo Tc Ru Rh Pd AgI CdI2 InI3 SnI4,
SnI2
SbI3 TeI4 I Xe
CsI BaI2   HfI4 TaI5 W Re Os Ir Pt AuI Hg2I2,
HgI2
TlI PbI2 BiI3 Po AtI Rn
Fr RaI2   Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
La Ce Pr Nd Pm SmI2 Eu Gd TbI3 Dy Ho Er Tm Yb Lu
Ac ThI4 Pa UI3,
UI4
Np Pu Am Cm Bk Cf EsI3 Fm Md No Lr