Chemical Properties of ytterbium (CAS 7440-64-4)

InChI

InChI=1S/Yb

InChI Key

NAWDYIZEMPQZHO-UHFFFAOYSA-N

Formula

Yb

SMILES

[Yb]

Molecular Weight¹

173.05

CAS

7440-64-4

• IE : Ionization energy (eV).
• P_vap : Vapor pressure (kPa).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
IE	[5.90; 6.69]	eV
IE	6.25	eV	NIST
IE	6.25	eV	NIST
IE	6.25 ± 0.00	eV	NIST
IE	6.20 ± 0.10	eV	NIST
IE	6.30 ± 0.30	eV	NIST
IE	6.25 ± 0.00	eV	NIST
IE	6.25	eV	NIST
IE	6.25 ± 0.01	eV	NIST
IE	6.04 ± 0.04	eV	NIST
IE	5.90 ± 0.10	eV	NIST
IE	6.25 ± 0.02	eV	NIST
IE	Outlier 6.69 ± 0.08	eV	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.00e-03; 101.32]	kPa	[736.15; 1469.15]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.47498e+01
Coefficient B			-1.39541e+04
Coefficient C			-9.18500e+01
Temperature range, min.			736.15
Temperature range, max.			1469.15
Pvap	1.00e-03	kPa	736.15	Calculated Property
Pvap	0.01	kPa	817.59	Calculated Property
Pvap	0.08	kPa	899.04	Calculated Property
Pvap	0.39	kPa	980.48	Calculated Property
Pvap	1.44	kPa	1061.93	Calculated Property
Pvap	4.39	kPa	1143.37	Calculated Property
Pvap	11.40	kPa	1224.82	Calculated Property
Pvap	26.03	kPa	1306.26	Calculated Property
Pvap	53.60	kPa	1387.71	Calculated Property
Pvap	101.32	kPa	1469.15	Calculated Property

Sources

• Investigation in the variation of Gibbs energy of formation of RE6UO12 (RE = La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Tm, Yb, Lu) along the 4f series
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
Outlier This icon means that the value is more than 2 standard deviations away from the property mean.