Protactinium(V) chloride

Names
IUPAC name

Protactinium(V) chloride

Other names

Protactinium pentachloride, Protactinium chloride

Identifiers

CAS Number

* 13760-41-3

3D model (JSmol)

* Interactive image

ChemSpider |

* 9222996

PubChem CID

* 11047828

InChI

* InChI=1S/5ClH.Pa/h5*1H;/q;;;;;+5/p-5

Key: QRPCDPJECLHYKR-UHFFFAOYSA-I

SMILES

* Cl[Pa](Cl)(Cl)(Cl)Cl

Properties

Chemical formula

| 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

Crystal structure

| monoclinic, mS24

Space group

| c12/c1, #15

Coordination geometry

| Pa, 7, pentagonal bipyramidal
Cl, 1 and 2
Related compounds

Other anions

| Protactinium(V) fluoride
Protactinium(V) bromide
Protactinium(V) iodide

Other cations

| Praseodymium(III) chloride
Uranium(IV) chloride
Thorium(IV) chloride

Related compounds

| Protactinium(IV) chloride

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Tracking categories (test):

* SizeSet

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]

Protactinium(V) chloride can react with boron tribromide at high temperatures to form protactinium(V) bromide.[4] It also reacts with fluorine to form protactinium(V) fluoride at high temperatures.[4]

## See also

* Protactinium(IV) chloride

## References

1. ↑ 1.0 1.1 1.2 Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 484. ISBN 0849305942. https://books.google.com/books?id=lFjg0L-uOxoC&q="Protactinium(V)+chloride"&pg=PT869. Retrieved 2008-07-17.
2. ↑ "Chemistry: WebElements Periodic Table: Professional Edition: Protactinium: compound data (protactinium (V) chloride)". WebElements. http://202.114.88.54/g/web18/wangluo/webelements/webelements/compounds/text/pa/cl5pa1-13760413.html. [yes|permanent dead link|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.
4. ↑ 4.0 4.1 Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6, S. 1177.

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Protactinium compounds

Pa(IV)|

* PaO2
* Pa(C8H8)2

Pa(V)|

* Pa2O5
* PaCl5

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Salts and covalent derivatives of the chloride ion

HCl |  |  |  | He

|
|
|
|

LiCl | BeCl2 | BCl3
B2Cl4 | CCl4 | NCl3
ClN3 | Cl2O
ClO2
Cl2O7 | ClF
ClF3
ClF5 | Ne
NaCl | MgCl2 | AlCl
AlCl3 | SiCl4 | P2Cl4
PCl3
PCl5 | S2Cl2
SCl2
SCl4 | Cl2 | Ar
KCl | CaCl
CaCl2 | ScCl3 | TiCl2
TiCl3
TiCl4 | VCl2
VCl3
VCl4
VCl5 | CrCl2
CrCl3
CrCl4 | MnCl2 | FeCl2
FeCl3 | CoCl2
CoCl3 | NiCl2 | CuCl
CuCl2 | ZnCl2 | GaCl2
GaCl3 | GeCl2
GeCl4 | AsCl3
AsCl5 | Se2Cl2
SeCl4 | BrCl | KrCl
RbCl | SrCl2 | YCl3 | ZrCl3
ZrCl4 | NbCl4
NbCl5 | MoCl2
MoCl3
MoCl4
MoCl5
MoCl6 | TcCl4 | RuCl3 | RhCl3 | PdCl2 | AgCl | CdCl2 | InCl
InCl2
InCl3 | SnCl2
SnCl4 | SbCl3
SbCl5 | Te3Cl2
TeCl4 | ICl
ICl3 | XeCl
XeCl2
CsCl | BaCl2 |  | HfCl4 | TaCl5 | WCl2
WCl3
WCl4
WCl5
WCl6 | Re3Cl9
ReCl4
ReCl5
ReCl6 | OsCl4 | IrCl2
IrCl3
IrCl4 | PtCl2
PtCl4 | AuCl
AuCl3 | Hg2Cl2,
HgCl2 | TlCl | PbCl2,
PbCl4 | BiCl3 | PoCl2,
PoCl4 | AtCl  | RnCl2
FrCl | RaCl2 |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
LaCl3 | CeCl3 | PrCl3 | NdCl2,
NdCl3 | PmCl3 | SmCl2,
SmCl3 | EuCl2,
EuCl3 | GdCl3 | TbCl3 | DyCl2,
DyCl3 | HoCl3 | ErCl3 | TmCl2
TmCl3 | YbCl2
YbCl3 | LuCl3
AcCl3 | ThCl4 | PaCl5 | UCl3
UCl4
UCl5
UCl6 | NpCl4 | PuCl3 | AmCl2
AmCl3 | CmCl3 | BkCl3 | CfCl3 | EsCl3 | Fm  | Md  | No  | LrCl3

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