Barium oxide (data page)

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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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