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aluminium oxide

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Condensed phase thermochemistry data

Go To: Top, Vibrational and/or electronic energy levels, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Quantity Value Units Method Reference Comment
Deltafliquid-1620.57kJ/molReviewChase, 1998Data last reviewed in December, 1979
Quantity Value Units Method Reference Comment
liquid,1 bar67.24J/mol*KReviewChase, 1998Data last reviewed in December, 1979
Quantity Value Units Method Reference Comment
Deltafsolid-1675.7 ± 1.3kJ/molReviewCox, Wagman, et al., 1984 corundum phase; CODATA Review value
Deltafsolid-1675.69kJ/molReviewChase, 1998«alpha» phase; Data last reviewed in December, 1979
Quantity Value Units Method Reference Comment
solid,1 bar50.92 ± 0.10J/mol*KReviewCox, Wagman, et al., 1984 corundum phase; CODATA Review value

Liquid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2327. - 4000.
A 192.4640
B 9.519856×10-8
C -2.858928×10-8
D 2.929147×10-9
E 5.599405×10-8
F -1757.711
G 177.1008
H -1620.568
ReferenceChase, 1998
Comment Data last reviewed in December, 1979

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 2327.298. - 2327.298. - 2327.298. - 2327.
A 102.4290108.6830106.9180106.0880
B 38.7498037.2263036.6219036.33740
C -15.91090-14.20650-13.97590-13.86730
D 2.6281812.1936012.1579902.141221
E -3.007551-3.209881-3.157761-3.133231
F -1717.930-1701.600-1710.500-1705.970
G 146.9970155.1360151.7920153.9350
H -1675.690-1656.860-1666.490-1662.300
ReferenceChase, 1998Chase, 1998Chase, 1998Chase, 1998
Comment «alpha» phase; Data last reviewed in December, 1979 «gamma» phase; Data last reviewed in December, 1979 «delta» phase; Data last reviewed in December, 1979 kappa phase; Data last reviewed in December, 1979

Vibrational and/or electronic energy levels

Go To: Top, Condensed phase thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Marilyn E. Jacox

State:   B


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 9600 ± 640 gas Desai, Wu, et al., 1997

State:   A


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 4920 ± 160 gas Desai, Wu, et al., 1997

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

1211.2 Ar IR Andrews, Burkholder, et al., 1992
Sym. stretch 850 ± 80 gas PE Desai, Wu, et al., 1997

Additional references: Jacox, 1994, page 283; Jacox, 1998, page 297

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

Go To: Top, Condensed phase thermochemistry data, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Desai, Wu, et al., 1997
Desai, S.R.; Wu, H.; Rohlfing, C.M.; Wang, L.-S., A Study of the Structure and Bonding of Small Aluminum Oxide Clusters by Photoelectron Spectroscopy: AlxOy- (x=1-2, y=1-5), J. Chem. Phys., 1997, 106, 4, 1309, https://doi.org/10.1063/1.474085 . [all data]

Andrews, Burkholder, et al., 1992
Andrews, L.; Burkholder, T.R.; Yustein, J.T., Reactions of pulsed-laser evaporated aluminum atoms with oxygen: infrared spectra of the reaction products in solid argon, J. Phys. Chem., 1992, 96, 25, 10182, https://doi.org/10.1021/j100204a018 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]


Notes

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