uranium trioxide

Formula: O₃U
Molecular weight: 286.0271
CAS Registry Number: 1344-58-7
Information on this page:
Other data available:
- Condensed phase thermochemistry data
- Gas phase ion energetics data
Data at other public NIST sites:
- X-ray Photoelectron Spectroscopy Database, version 5.0
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Vibrational and/or electronic energy levels

State: X

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


a₁	1	UO stretch	843.5	Ar	IR	Gabelnick, Reedy, et al., 1973 Gabelnick, Reedy, et al., 1973, 2
	2	UO₂ s-stretch	760.3	Ne	IR	Zhou, Andrews, et al., 2000
	2	UO₂ s-stretch	745.6	Ar	IR	Gabelnick, Reedy, et al., 1973 Gabelnick, Reedy, et al., 1973, 2 Hunt and Andrews, 1993 Sankaran, Sundararajan, et al., 1999 Zhou, Andrews, et al., 2000
	2	UO₂ s-stretch	740.7	Kr	IR	Gabelnick, Reedy, et al., 1973
	3	Bend	186.2	Ar	IR	Green, Reedy, et al., 1980
b₁	4	OPLA	151.5	Ar	IR	Green, Reedy, et al., 1980
b₂	5	UO₂ a-stretch	865.3	Ne	IR	Zhou, Andrews, et al., 2000
	5	UO₂ a-stretch	852.6	Ar	IR	Gabelnick, Reedy, et al., 1973 Gabelnick, Reedy, et al., 1973, 2 Hunt and Andrews, 1993 Sankaran, Sundararajan, et al., 1999 Zhou, Andrews, et al., 2000
	5	UO₂ a-stretch	848.1	Kr	IR	Gabelnick, Reedy, et al., 1973
	6	Bend	211.6	Ar	IR	Green, Reedy, et al., 1980

Additional references: Jacox, 1998, page 251; Jacox, 2003, page 228

References

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Gabelnick, Reedy, et al., 1973
Gabelnick, S.D.; Reedy, G.T.; Chasanov, M.G., Infrared spectra of matrix-isolated uranium oxide species. I. The stretching region, J. Chem. Phys., 1973, 58, 10, 4468, https://doi.org/10.1063/1.1679009 . [all data]

Gabelnick, Reedy, et al., 1973, 2
Gabelnick, S.D.; Reedy, G.T.; Chasanov, M.G., Infrared spectra of matrix-isolated uranium oxide species. II. Spectral interpretation and structure of UO3, J. Chem. Phys., 1973, 59, 12, 6397, https://doi.org/10.1063/1.1680018 . [all data]

Zhou, Andrews, et al., 2000
Zhou, M.; Andrews, L.; Ismail, N.; Marsden, C., Infrared Spectra of UO, J. Phys. Chem. A, 2000, 104, 23, 5495, https://doi.org/10.1021/jp000292q . [all data]

Hunt and Andrews, 1993
Hunt, R.D.; Andrews, L., Reactions of pulsed-laser evaporated uranium atoms with molecular oxygen: Infrared spectra of UO, UO2, UO3, UO2+, UO22+, and UO3--O2 in solid argon, J. Chem. Phys., 1993, 98, 5, 3690, https://doi.org/10.1063/1.464045 . [all data]

Sankaran, Sundararajan, et al., 1999
Sankaran, K.; Sundararajan, K.; Viswanathan, K.S., A matrix isolation FTIR investigation of laser-ablated uranium oxide in argon and nitrogen matrices, Bull. Mater. Sci., 1999, 22, 4, 785, https://doi.org/10.1007/BF02745606 . [all data]

Green, Reedy, et al., 1980
Green, D.W.; Reedy, G.T.; Gabelnick, S.D., Infrared spectra of matrix-isolated uranium oxides. III. Low-frequency modes, J. Chem. Phys., 1980, 73, 9, 4207, https://doi.org/10.1063/1.440704 . [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]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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