Protactinium(IV) chloride

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Protactinium(IV) chloride
Names
IUPAC name
Protactinium(IV) chloride
Identifiers
3D model (
JSmol
)
  • InChI=1S/4ClH.Pa/h4*1H;/q;;;;+4/p-4
    Key: YVRMMEYNJWFJEX-UHFFFAOYSA-J
  • [Pa](Cl)(Cl)(Cl)Cl
Properties
PaCl4
Molar mass 372.848 g mol−1
Appearance chartreuse
Density 4.72 g/cm3
Structure
tetragonal[1]，tI20
I41/amd , No. 141
Related compounds
Other anions
Protactinium(IV) iodide
Other cations
Uranium(IV) chloride
Thorium(IV) chloride
Praseodymium(III) chloride
Related compounds
 Protactinium(V) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Protactinium(IV) chloride is an

radioactive, and has the chemical formula of PaCl4. It is a chartreuse-coloured (yellowish-green) crystal[1] of the tetragonal crystal system
.

Preparation

Protactinium(IV) chloride can be prepared by the

reduction of protactinium(V) chloride:[2]

It can also be obtained by the chlorination of protactinium(IV) oxide:[2]

It can also be formed during the thermal decomposition of protactinium oxychloride at 500 °C in a vacuum:[3]

Properties

Protactinium(IV) chloride is a chartreuse,

uranium(IV) chloride type.[4]

References

  1. ^
    doi:10.1039/DT9730000686.{{cite journal}}: CS1 maint: multiple names: authors list (link
    )
  2. ^
    ISBN 3-432-02328-6
    , pp. 1176.
  3. ISBN 978-0-08057861-3
  4. ISBN 978-94-007-0211-0, S. 201 (English, [1]
    in Google Books).
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