Yttrium iodide

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Crystal structure
Crystal structure of bismuth (III) iodide
__ Y 3+      __ I -
General
Surname Yttrium iodide
other names
  • Yttrium (III) iodide
  • Yttrium triiodide
Ratio formula YI 3
Brief description

light gray solid

External identifiers / databases
CAS number 13470-38-7
EC number 236-737-1
ECHA InfoCard 100.033.383
PubChem 83510
Wikidata Q1747583
properties
Molar mass 469.62 g mol −1
Physical state

firmly

density

4.62 g cm −3

Melting point

997 ° C

boiling point

1310 ° C

solubility

soluble in water, ethanol and acetone

safety instructions
GHS labeling of hazardous substances
08 - Dangerous to health

danger

H and P phrases H: 317-334-351
P: 261-280-342 + 311
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Yttrium iodide is an inorganic chemical compound of yttrium from the group of iodides .

Extraction and presentation

Yttrium iodide can be obtained by reacting yttrium with iodine .

It can also be obtained by reacting yttrium oxide or yttrium hydroxide with hydriodic acid.

properties

Yttrium iodide is a light gray to yellowish flaky solid that is soluble in water. It has a trigonal crystal system corresponding to that of bismuth triiodide with the space group R 3 (space group no. 148) and the lattice constants a = 7.4864 Å and c = 20.880 Å. It also occurs as a tri- and hexahydrate. Template: room group / 148

Individual evidence

  1. a b c d e data sheet Yttrium (III) iodide, anhydrous, flakes, 99.9% trace metals basis from Sigma-Aldrich , accessed on November 4, 2012 ( PDF ).
  2. a b c d e Jean D'Ans, Ellen Lax: Paperback for chemists and physicists . Springer DE, 1997, ISBN 3-540-60035-3 , pp. 802 ( limited preview in Google Book Search).
  3. WebElements: WebElements Periodic Table of the Elements | Yttrium | chemical reaction data
  4. J. Herzfeld, Otto Korn: Chemistry of the rare earths - reprint of the original from 1901 . BoD - Books on Demand, 2012, ISBN 3-86444-397-0 , p. 83 ( limited preview in Google Book search).
  5. David R. Lide: CRC Handbook of Chemistry and Physics . CRC Press, 2012, ISBN 1-4398-8049-2 , pp. 4–99 ( limited preview in Google Book Search).
  6. L. Jongen, G. Meyer: Yttrium triiodide, YI 3 . In: Acta Crystallographica , 2005 , E61 , pp. I51-152.
  7. ^ HJ Emeleus, Alan G. Sharpe, Alan G. Sharpe: Advances in Inorganic Chemistry and Radiochemistry . Academic Press, 1981, ISBN 0-12-023624-9 , pp. 65 ( limited preview in Google Book search).