Protactinium(V) chloride

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Protactinium(V) chloride
PaCl5.svg
Names
IUPAC name
Protactinium(V) chloride
Other names
Protactinium pentachloride, Protactinium chloride
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/5ClH.Pa/h5*1H;/q;;;;;+5/p-5
    Key: QRPCDPJECLHYKR-UHFFFAOYSA-I
  • Cl[Pa](Cl)(Cl)(Cl)Cl
Properties
PaCl5
Molar mass 408.301 g/mol
Appearance yellow monoclinic crystals[1]
Density 3.74 g/cm3[1]
Melting point 306 °C (583 °F; 579 K)[1]
Boiling point 420 °C (788 °F; 693 K)[2]
Structure
monoclinic, mS24
c12/c1, #15
Pa, 7, pentagonal bipyramidal
Cl, 1 and 2
Related compounds
Other cations
 Praseodymium(III) chloride
Uranium(IV) chloride
Thorium(IV) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Protactinium(V) chloride is the chemical compound composed of protactinium and chlorine with the formula PaCl5. It forms yellow monoclinic crystals and has a unique structure composed of chains of 7 coordinate, pentagonal bipyramidal, protactinium atoms sharing edges.[3]

References[]

  1. ^ a b c Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. p. 484. ISBN 0849305942. Retrieved 2008-07-17.
  2. ^ "Chemistry: WebElements Periodic Table: Professional Edition: Protactinium: compound data (protactinium (V) chloride)". WebElements. Retrieved 2008-07-17.[permanent dead link]
  3. ^ R. P. Dodge, G. S. Smith, Q. Johnson, R. E. Elson: „The Crystal Structure of Protactinium Pentachloride“, Acta Crystallogr., 1967, 22, 85–89; doi:10.1107/S0365110X67000155.


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