Chemical Properties of Protactinium (CAS 7440-13-3)

InChI

InChI=1S/Pa

InChI Key

XLROVYAPLOFLNU-UHFFFAOYSA-N

Formula

SMILES

[Pa]

Molecular Weight¹

231.04

CAS

7440-13-3

Other Names

PA
Protoactinium

IE : Ionization energy (eV).
¹: Molecular weight from the IUPAC atomic weights tables.

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Physical Properties

Property	Value	Unit	Source
IE	[5.89; 5.89]	eV
IE	5.89 ± 0.12	eV	NIST
IE	5.89	eV	NIST
IE	5.89 ± 0.12	eV	NIST
IE	5.89 ± 0.12	eV	NIST

Sources

NIST Webbook

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