Chemical Properties of ruthenium (CAS 7440-18-8)

InChI

InChI=1S/Ru

InChI Key

KJTLSVCANCCWHF-UHFFFAOYSA-N

Formula

Ru

SMILES

[Ru]

Molecular Weight¹

101.07

CAS

7440-18-8

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• EA : Electron affinity (eV).
• IE : Ionization energy (eV).
• P_vap : Vapor pressure (kPa).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
PAff	774.00	kJ/mol	NIST
BasG	751.40	kJ/mol	NIST
EA	1.05 ± 0.00	eV	NIST
IE	[7.16; 7.37]	eV
IE	7.36 ± 0.00	eV	NIST
IE	7.36	eV	NIST
IE	7.36 ± 0.00	eV	NIST
IE	7.16 ± 0.07	eV	NIST
IE	7.37	eV	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.12e-03; 100.33]	kPa	[2588.15; 4388.15]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.94819e+01
Coefficient B			-6.16964e+04
Coefficient C			-2.40060e+02
Temperature range, min.			2588.15
Temperature range, max.			4388.15
Pvap	1.12e-03	kPa	2588.15	Calculated Property
Pvap	8.82e-03	kPa	2788.15	Calculated Property
Pvap	0.05	kPa	2988.15	Calculated Property
Pvap	0.24	kPa	3188.15	Calculated Property
Pvap	0.89	kPa	3388.15	Calculated Property
Pvap	2.87	kPa	3588.15	Calculated Property
Pvap	8.11	kPa	3788.15	Calculated Property
Pvap	20.52	kPa	3988.15	Calculated Property
Pvap	47.23	kPa	4188.15	Calculated Property
Pvap	100.33	kPa	4388.15	Calculated Property

Sources

• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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