This page provides supplementary chemical data on barium oxide.

Material Safety Data Sheet

Structure and properties

Structure and properties
Index of refraction, nD  ?
Dielectric constant, εr  ? ε0 at ? °C
Bond strength  ?
Bond length  ?
Bond angle  ?
Magnetic susceptibility  ?

Thermodynamic properties

Phase behavior
Triple point  ? K (? °C), ? Pa
Critical point  ? K (? °C), ? Pa
Std enthalpy change
of fusion, ΔfusHo		  ? kJ/mol
Std entropy change
of fusion, ΔfusSo		  ? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo		  ? kJ/mol
Std entropy change
of vaporization, ΔvapSo		  ? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid		 −548.10 kJ/mol
Standard molar entropy,
Sosolid		 72.05 J/(mol K)
Heat capacity, cp 47.3 J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		 −491.63 kJ/mol
Standard molar entropy,
Soliquid		 96.54 J/(mol K)
Heat capacity, cp  ? J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas		 −123.85 kJ/mol
Standard molar entropy,
Sogas		 235.45 J/(mol K)
Heat capacity, cp  ? J/(mol K)

Spectral data

UV-Vis
λmax  ? nm
Extinction coefficient, ε  ?
IR
Major absorption bands  ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments		  

References

  • Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD)
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