title: Ytterbium(III) chloride (data page)
text: # 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 $μ_B$ |
  
  ## Thermodynamic properties
  
  Phase behavior :
  
  | Std enthalpy change of $fusionΔ_{fus}H^o$ | 58.1±11.6 kJ/mol |
  | - | - |
  | Std entropy change of $fusionΔ_{fus}S^o$ | 50.3±10.1 J/(mol•K) |
  | Std enthalpy change of $atomizationΔ_{at}H^o$ | 1166.5±4.3 kJ/mol |
  | Solid properties ||
  | Std enthalpy change of formation $Δ_fH^o_{solid}$ | −959.5±3.0 kJ/mol |
  | Standard molar entropy $S^o_{solid}$ | 163.5 J/(mol•K) |
  | Heat capacity $c_p$ | 101.4 J/(mol•K) |
  | Liquid properties ||
  | Std enthalpy change of formation $Δ_fH^o_{liquid}$ | −212.8 kJ/mol |
  | Gas properties ||
  | Std enthalpy change of formation $Δ_fH^o_{gas}$ | −651.1±5.0 kJ/mol |
  
  ## Spectral data
  
  UV-Vis :
  
  | $λ_{max}$ | 268 nm |
  | - | - |
  | Extinction coefficient | 303 $M^{−1}cm^{−1}$ |
  | IR ||
  | Major absorption bands | $ν_1$ = 368.0 $cm^{−1}$ $ν_2$ = 178.4 $cm^{−1}$ $ν_3$ = 330.7 $cm^{−1}$ $ν_4$ = 117.8 $cm^{−1}$ |
  | MS ||
  | Ionization potentials from electron impact | $YbCl_3^+$ = 10.9±0.1 eV $YbCl_2^+$ = 11.6±0.1 eV $YbCl^+$ = 14.3±0.1 eV |
  
  * view
  * Except where noted otherwise, data relate to Standard temperature and pressure.
  * Reliability of data general note.
  