Tungsten tetrabromide monoxide

Formula: Br₄OW
Molecular weight: 519.46
CAS Registry Number: 13520-77-9
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Gas phase ion energetics data

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV)	Method	Reference
10.3 ± 0.3	EI	Gupta, 1971

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference
OBrW⁺	18.3 ± 0.5	?	EI	Kaposi, Popovic, et al., 1977
BrOW⁺	18.1 ± 0.8	?	EI	Gupta, 1971
BrW⁺	26.1 ± 0.5	?	EI	Kaposi, Popovic, et al., 1977
OBr₂W⁺	14.5 ± 0.2	?	EI	Kaposi, Popovic, et al., 1977
Br₂OW⁺	14.4 ± 0.5	?	EI	Gupta, 1971
Br₂W⁺	20.9 ± 0.4	?	EI	Kaposi, Popovic, et al., 1977
Br₂W⁺	21.4 ± 0.5	?	EI	Gupta, 1971
OBr₃W⁺	10.5 ± 0.2	?	EI	Kaposi, Popovic, et al., 1977
OBr₃W⁺	10.3 ± 0.2	?	EI	Gupta, 1971
Br₃W⁺	17.9 ± 0.4	?	EI	Kaposi, Popovic, et al., 1977
Br₃W⁺	18.1 ± 0.5	?	EI	Gupta, 1971

References

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Gupta, 1971
Gupta, S.K., A thermodynamic investigation of the tungsten-oxygen-bromine system, J. Phys. Chem., 1971, 75, 112. [all data]

Kaposi, Popovic, et al., 1977
Kaposi, O.; Popovic, A.; Marsel, J., Mass spectrometric studies of tungsten bromides and oxybromides, J. Inorg. Nucl. Chem., 1977, 39, 1809. [all data]

Notes

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Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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