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Aluminium oxide (data page)

Summary

This page provides supplementary chemical data on aluminium oxide.

Material Safety Data Sheet edit

  • SIRI
  • Science Stuff

Structure and properties edit

Structure and properties
Dielectric constant, ε11=ε22 9.34 ε0 at 25 °C
Dielectric constant, ε33 11.54 ε0 at 25 °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
Table of Refractive index
Wavelength(μm) no ne
0.193 1.92879 1.91743
0.213 1.88903 1.87839
0.222 1.8754 1.86504
0.226 1.87017 1.85991
0.244 1.85059 1.84075
0.248 1.84696 1.83719
0.257 1.83932 1.82972
0.266 1.83304 1.82358
0.280 1.82437 1.81509
0.308 1.81096 1.80198
0.325 1.80467 1.79582
0.337 1.80082 1.79206
0.351 1.79693 1.78825
0.355 1.79598 1.78732
0.442 1.78038 1.77206
0.458 1.77843 1.77015
0.488 1.7753 1.76711
0.515 1.77304 1.76486
0.532 1.7717 1.76355
0.590 1.76804 1.75996
0.633 1.7659 1.75787
0.670 1.76433 1.75632
0.694 1.76341 1.75542
0.755 1.76141 1.75346
0.780 1.76068 1.75274
0.800 1.76013 1.7522
0.820 1.75961 1.75168
0.980 1.75607 1.74819
1.064 1.75449 1.74663
1.320 1.75009 1.74227
1.550 1.74618 1.73838
2.010 1.73748 1.72973
2.24929 1.73232 1.72432
2.703 1.719 1.711
2.941 1.712 1.704
3.333 1.701 1.693
3.704 1.687 1.679
4.000 1.674 1.666
4.348 1.658 1.65
4.762 1.636 1.628
5.000 1.623 1.615
5.263 1.607 1.599
Table of Coefficients of Sellmeier equation
Coefficient for ordinary wave for extraordinary wave
B1 1.43134930 1.5039759
B2 6.5054713x10−1 5.5069141x10−1
B3 5.3414021 6.5937379
C1 5.2799261−3μm2 5.48041129−3μm2
C2 1.42382647−2μm2 1.47994281−2μm2
C3 3.250178342μm2 4.02895142μm2

Thermodynamic properties edit

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 		-1675.7 kJ/mol
Standard molar entropy,
Sosolid 		50.92 J/(mol K)
Heat capacity, cp 89.7248 J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		-1620.57 kJ/mol
Standard molar entropy,
Soliquid 		67.24 J/(mol K)
Heat capacity, cp 192.5 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas 		? kJ/mol
Standard molar entropy,
Sogas 		? J/(mol K)
Heat capacity, cp ? J/(mol K)

Spectral data edit

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 edit

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