Barium oxide (data page)

This page provides supplementary chemical data on barium oxide.

Material Safety Data Sheet SDS from Millipore Sigma

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 changeof fusion, ΔfusHo ? kJ/mol Std entropy changeof fusion, ΔfusSo ? J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo ? kJ/mol Std entropy changeof vaporization, ΔvapSo ? J/(mol·K) Solid properties Std enthalpy changeof 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 changeof 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 changeof 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