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HOO anion


Reaction thermochemistry data

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

Data compiled by: John E. Bartmess

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Individual Reactions

HO2- + Hydrogen cation = Hydrogen peroxide

By formula: HO2- + H+ = H2O2

Quantity Value Units Method Reference Comment
Deltar1575.3 ± 2.1kJ/molG+TSRamond, Blanksby, et al., 2002gas phase; versus HCCH
Deltar1572. ± 8.8kJ/molG+TSBierbaum, Schmidt, et al., 1981gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Deltar1546.0 ± 1.7kJ/molIMRERamond, Blanksby, et al., 2002gas phase; versus HCCH
Deltar1542. ± 8.4kJ/molIMREBierbaum, Schmidt, et al., 1981gas phase; value altered from reference due to change in acidity scale

Vibrational and/or electronic energy levels

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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:   ?


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

Td = 8700 ± 50 gas Oakes, Harding, et al., 1985
Clifford, Wenthold, et al., 1998
Ramond, Blanksby, et al., 2002, 2

State:   X


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

a' 3 OO stretch 775 ± 250 gas PE Oakes, Harding, et al., 1985

Additional references: Jacox, 1994, page 51; Jacox, 2003, page 44

Notes

dPhotodissociation threshold

References

Go To: Top, Reaction 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.

Ramond, Blanksby, et al., 2002
Ramond, T.M.; Blanksby, S.J.; Kato, S.; Bierbaum, V.M.; Davico, G.E.; Schwartz, R.L.; Lineberger, W.C.; Elliso, Heat of formation of the hydroperoxyl radical HOO via negative ion studies, J. Phys. Chem. A, 2002, 106, 42, 9641-9647, https://doi.org/10.1021/jp014614h . [all data]

Bierbaum, Schmidt, et al., 1981
Bierbaum, V.M.; Schmidt, R.J.; DePuy, C.H.; Mead, R.H.; Schulz, P.A.; Lineberger, W.C., Reactions of carbanions with triplet and singlet molecular oxygen, J. Am. Chem. Soc., 1981, 103, 6262. [all data]

Oakes, Harding, et al., 1985
Oakes, J.M.; Harding, L.B.; Ellison, G.B., The photoelectron spectroscopy of HO2-, J. Chem. Phys., 1985, 83, 5400. [all data]

Clifford, Wenthold, et al., 1998
Clifford, E.P.; Wenthold, P.G.; Gareyev, R.; Lineberger, W.C.; DePuy, C.H.; Bierbaum, V.M.; Ellison, G.B., Photoelectron spectroscopy, gas phase acidity, and thermochemistry of tert-butyl hydroperoxide: Mechanisms for the rearrangement of peroxyl radicals, J. Chem. Phys., 1998, 109, 23, 10293, https://doi.org/10.1063/1.477725 . [all data]

Ramond, Blanksby, et al., 2002, 2
Ramond, R.M.; Blanksby, S.J.; Kato, S.; Bierbaum, V.M.; Davico, G.E.; Schwartz, R.L.; Lineberger, W.C.; Ellison, G.B., Heat of Formation of the Hydroperoxyl Radical HOO Via Negative Ion Studies, J. Phys. Chem. A, 2002, 106, 42, 9641, https://doi.org/10.1021/jp014614h . [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, 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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