Chemistry:Americium(III) iodide
From HandWiki
| Names | |
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| IUPAC name
Americium(III) iodide
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| Other names
Americium triiodide
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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| Properties | |
| AmI3 | |
| Molar mass | 624 g·mol−1 |
| Related compounds | |
Other anions
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Americium(III) fluoride Americium(III) chloride Americium(III) bromide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Americium(III) iodide or americium triiodide is the chemical compound, a salt composed of americium and iodine with the formula AmI3.
Preparation
Americium(III) iodide can be prepared by reacting americium(III) chloride with ammonium iodide:[2]
- AmCl
3 + 3 NH
4I → AmI
3 + 3NH
4Cl
Properties
Americium(III) iodide takes the form of yellow crystals. The crystal form is orthorhombic. It melts around 960 °C. The density is 6.9 g/cm3.[1] The compound consists of Am3+ and I− ions. It crystallizes in the trigonal crystal system in the space group R3 (space group no. 148) with the lattice parameters a = 742 pm and c = 2055 pm and six formula units per unit cell. Its crystal structure is isotypic with bismuth(III) iodide.[2][3]
References
- ↑ 1.0 1.1 Haynes, William M. (2011) (in en). CRC Handbook of Chemistry and Physics, 92nd Edition. CRC Press. pp. 4–46. ISBN 9781439855126. https://books.google.com/books?id=pYPRBQAAQBAJ&pg=SA4-PA46.
- ↑ 2.0 2.1 Asprey, L. B.; Keenan, T. K.; Kruse, F. H. (Jul 1965). "Crystal Structures of the Trifluorides, Trichlorides, Tribromides, and Triiodides of Americium and Curium" (in en). Inorganic Chemistry 4 (7): 985–986. doi:10.1021/ic50029a013. ISSN 0020-1669. https://pubs.acs.org/doi/abs/10.1021/ic50029a013.
- ↑ Gmelins Handbuch der anorganischen Chemie, System No. 71, Transurane, Teil C, pp. 154.
| 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 | |||
 |  |
