Ytterbium(III) chloride (data page)

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

Structure and properties data

Structure and propertiesStandard reductionpotential, E°1.620 eVCrystallographic constantsa = 6.73b = 11.65c = 6.38β = 110.4°Effective nuclearcharge3.290 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 changeof fusionΔfusHo 58.1±11.6 kJ/mol Std entropy changeof fusionΔfusSo 50.3±10.1 J/(mol•K) Std enthalpy changeof atomizationΔatHo 1166.5±4.3 kJ/mol Solid properties Std enthalpy changeof formation ΔfHosolid −959.5±3.0 kJ/mol Standard molar entropySosolid 163.5 J/(mol•K) Heat capacity cp 101.4 J/(mol•K) Liquid properties Std enthalpy changeof formation ΔfHoliquid −212.8 kJ/mol Gas properties Std enthalpy changeof 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 fromelectron impact YbCl3+ = 10.9±0.1 eVYbCl2+ = 11.6±0.1 eVYbCl+ = 14.3±0.1 eV

References