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

References

Except where noted otherwise, data relate to standard ambient temperature and pressure.

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