Ytterbium(III) chloride (data page)

This page provides supplementary chemical data on Ytterbium(III) chloride

Structure and properties data

Structure and properties
Standard reduction potential, E°	1.620 eV
Crystallographic constants	a = 6.73 b = 11.65 c = 6.38 β = 110.4°
Effective nuclear charge	3.290
Bond strength	1194±7 kJ/mol
Bond length	2.434 (Yb-Cl)
Bond angle	111.5° (Cl-Yb-Cl)
Magnetic susceptibility	4.4 μB

Thermodynamic properties

Phase behavior
Std enthalpy change of fusionΔfusHo	58.1±11.6 kJ/mol
Std entropy change of fusionΔfusSo	50.3±10.1 J/(mol•K)
Std enthalpy change of atomizationΔatHo	1166.5±4.3 kJ/mol
Solid properties
Std enthalpy change of formation ΔfHosolid	−959.5±3.0 kJ/mol
Standard molar entropy Sosolid	163.5 J/(mol•K)
Heat capacity cp	101.4 J/(mol•K)
Liquid properties
Std enthalpy change of formation ΔfHoliquid	−212.8 kJ/mol
Gas properties
Std enthalpy change of formation ΔfHogas	−651.1±5.0 kJ/mol

Spectral data

UV-Vis
λmax	268 nm
Extinction coefficient	303 M−1cm−1
IR
Major absorption bands	ν1 = 368.0 cm−1 ν2 = 178.4 cm−1 ν3 = 330.7 cm−1 ν4 = 117.8 cm−1
MS
Ionization potentials from electron impact	YbCl3+ = 10.9±0.1 eV YbCl2+ = 11.6±0.1 eV YbCl+ = 14.3±0.1 eV

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• Except where noted otherwise, data relate to Standard temperature and pressure.
• Reliability of data general note.