Promethium(III) chloride

Promethium(III) chloride

Glowing powder mixture of promethium(III) chloride and zinc sulfide

Crystal structure
Names
Other names
Promethium chloride; Promethium trichloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.004 Edit this at Wikidata
EC Number
  • 237-420-0
  • InChI=1S/3ClH.Pm/h3*1H;/q;;;+3/p-3
    Key: KAKNBYVEBALXNX-UHFFFAOYSA-K
  • [Cl-].[Cl-].[Cl-].[Pm+3]
Properties
Cl3Pm
Molar mass 251 g·mol−1
Appearance purple solid[1]
yellow solid[2]
Density 4.19 g/cm3 (calc., XRD)[3]
Melting point 655 °C (1,211 °F; 928 K)[4]
Structure
Trigonal, hP8
P63/m, No. 176[3]
Related compounds
Other anions
 Promethium(III) oxide
Other cations
 Neodymium(III) chloride, Samarium(III) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Promethium(III) chloride is a chemical compound of promethium and chlorine with the formula PmCl3. It is an ionic, water soluble, crystalline salt that glows in the dark with a pale blue or green light due to promethium's intense radioactivity.

  1. ^ Cite error: The named reference Wiberg was invoked but never defined (see the help page).
  2. ^ Elkina, Veronika; Kurushkin, Mikhail (2020-07-10). "Promethium: To Strive, to Seek, to Find and Not to Yield". Frontiers in Chemistry. 8. doi:10.3389/fchem.2020.00588. ISSN 2296-2646. PMC 7366832. PMID 32754576.
  3. ^ a b Weigel, F.; Scherer, V. (1967). "Die Chemie des Promethiums". Radiochimica Acta. 7. doi:10.1524/ract.1967.7.1.40. S2CID 201840710.
  4. ^ Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.84. ISBN 1-4398-5511-0.