(SiO)3

Formula: O₃Si₃
Molecular weight: 132.2547
CAS Registry Number: 12439-83-7
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Vibrational and/or electronic energy levels

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State: X

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


a₂	4	Deformation	74	T	Ar	IR	Hastie, Hauge, et al., 1969
e'	5	SiO stretch	971.9	s	Ar	IR	Anderson and Ogden, 1969 Hastie, Hauge, et al., 1969 Andrews and McCluskey, 1992
	5	SiO stretch	972.6		N₂	IR	Anderson and Ogden, 1969
	6	SiO stretch	629.0	w	Ar	IR	Anderson and Ogden, 1969 Hastie, Hauge, et al., 1969
	6	SiO stretch	631.5		N₂	IR	Anderson and Ogden, 1969
	7	Deformation	311.5	w	Ar	IR	Anderson and Ogden, 1969 Hastie, Hauge, et al., 1969
	7	Deformation	312.0		N₂	IR	Anderson and Ogden, 1969

Additional references: Jacox, 1994, page 346

Notes

Weak

Strong

Tentative assignment or approximate value

References

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Hastie, Hauge, et al., 1969
Hastie, J.W.; Hauge, R.H.; Margrave, J.L., Reactions and structures of matrix-isolated SiO species at low temperatures from infrared spectra, Inorg. Chim. Acta, 1969, 3, 601, https://doi.org/10.1016/S0020-1693(00)92559-3 . [all data]

Anderson and Ogden, 1969
Anderson, J.S.; Ogden, J.S., Matrix Isolation Studies of Group-IV Oxides. I. Infrared Spectra and Structures of SiO, Si2O2, and Si3O3, J. Chem. Phys., 1969, 51, 10, 4189, https://doi.org/10.1063/1.1671778 . [all data]

Andrews and McCluskey, 1992
Andrews, L.; McCluskey, M., Bending modes of SiO2 and GeO2 in solid argon, J. Mol. Spectrosc., 1992, 154, 1, 223, https://doi.org/10.1016/0022-2852(92)90042-M . [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]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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