Barium oxide (data page)

This page provides supplementary chemical data on barium oxide.

Material Safety Data Sheet

• MSDS from SIRI

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, ΔfusH^o	? kJ/mol
Std entropy change of fusion, ΔfusS^o	? J/(mol·K)
Std enthalpy change of vaporization, ΔvapH^o	? kJ/mol
Std entropy change of vaporization, ΔvapS^o	? J/(mol·K)
Solid properties
Std enthalpy change of formation, ΔfH^osolid	−548.10 kJ/mol
Standard molar entropy, S^osolid	72.05 J/(mol K)
Heat capacity, cp	47.3 J/(mol K)
Liquid properties
Std enthalpy change of formation, ΔfH^oliquid	−491.63 kJ/mol
Standard molar entropy, S^oliquid	96.54 J/(mol K)
Heat capacity, cp	? J/(mol K)
Gas properties
Std enthalpy change of formation, ΔfH^ogas	−123.85 kJ/mol
Standard molar entropy, S^ogas	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, P.J.; Mallard, W.G. (eds.) NIST Chemistry WebBook, NIST Standard Reference Database Number 69. National Institute of Standards and Technology, Gaithersburg MD. http://webbook.nist.gov

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

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