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phenide 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

C6H5- + Hydrogen cation = Benzene

By formula: C6H5- + H+ = C6H6

Quantity Value Units Method Reference Comment
Deltar1678.7 ± 2.1kJ/molG+TSDavico, Bierbaum, et al., 1995gas phase; Revised per Ervin and DeTuro, 2002 change in NH3 acidity. Alecu, Gao, et al., 2007 using thermal methods, agrees with this BDE: 112.8±0.6; value altered from reference due to change in acidity scale
Deltar1678.5 ± 0.88kJ/molD-EAGunion, Gilles, et al., 1992gas phase
Deltar1677. ± 10.kJ/molTDEqMeot-ner and Sieck, 1986gas phase
Deltar1680. ± 42.kJ/molCIDTGraul and Squires, 1990gas phase
Deltar1665. ± 23.kJ/molG+TSBohme and Young, 1971gas phase
Quantity Value Units Method Reference Comment
Deltar1641.8 ± 1.7kJ/molIMREDavico, Bierbaum, et al., 1995gas phase; Revised per Ervin and DeTuro, 2002 change in NH3 acidity. Alecu, Gao, et al., 2007 using thermal methods, agrees with this BDE: 112.8±0.6; value altered from reference due to change in acidity scale
Deltar1636. ± 8.4kJ/molTDEqMeot-ner and Sieck, 1986gas phase
Deltar1632. ± 27.kJ/molIMRBBartmess and McIver Jr., 1979gas phase
Deltar1628. ± 23.kJ/molIMRBBohme and Young, 1971gas phase

Gas phase ion energetics 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

Protonation reactions

C6H5- + Hydrogen cation = Benzene

By formula: C6H5- + H+ = C6H6

Quantity Value Units Method Reference Comment
Deltar1678.7 ± 2.1kJ/molG+TSDavico, Bierbaum, et al., 1995gas phase; Revised per Ervin and DeTuro, 2002 change in NH3 acidity. Alecu, Gao, et al., 2007 using thermal methods, agrees with this BDE: 112.8±0.6; value altered from reference due to change in acidity scale
Deltar1678.5 ± 0.88kJ/molD-EAGunion, Gilles, et al., 1992gas phase
Deltar1677. ± 10.kJ/molTDEqMeot-ner and Sieck, 1986gas phase
Deltar1680. ± 42.kJ/molCIDTGraul and Squires, 1990gas phase
Deltar1665. ± 23.kJ/molG+TSBohme and Young, 1971gas phase
Quantity Value Units Method Reference Comment
Deltar1641.8 ± 1.7kJ/molIMREDavico, Bierbaum, et al., 1995gas phase; Revised per Ervin and DeTuro, 2002 change in NH3 acidity. Alecu, Gao, et al., 2007 using thermal methods, agrees with this BDE: 112.8±0.6; value altered from reference due to change in acidity scale
Deltar1636. ± 8.4kJ/molTDEqMeot-ner and Sieck, 1986gas phase
Deltar1632. ± 27.kJ/molIMRBBartmess and McIver Jr., 1979gas phase
Deltar1628. ± 23.kJ/molIMRBBohme and Young, 1971gas phase

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 = 8840 ± 50 gas Gunion, Gilles, et al., 1992

Additional references: Jacox, 1994, page 388

Notes

dPhotodissociation threshold

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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.

Davico, Bierbaum, et al., 1995
Davico, G.E.; Bierbaum, V.M.; Depuy, C.H.; Ellison, G.B.; Squires, R.R., The C-H bond energy of benzene, J. Am. Chem. Soc., 1995, 117, 9, 2590, https://doi.org/10.1021/ja00114a023 . [all data]

Ervin and DeTuro, 2002
Ervin, K.M.; DeTuro, V.F., Anchoring the gas-phase acidity scale, J. Phys. Chem. A, 2002, 106, 42, 9947-9956, https://doi.org/10.1021/jp020594n . [all data]

Alecu, Gao, et al., 2007
Alecu, I.M.; Gao, Y.D.; Hsieh, P.C.; Sand, J.P.; Ors, A.; McLeod, A.; Marshall, P., Studies of the kinetics and thermochemistry of the forward and reverse reaction Cl+C6H6=HCl+C6H5, J. Phys. Chem. A, 2007, 111, 19, 3970-3976, https://doi.org/10.1021/jp067212o . [all data]

Gunion, Gilles, et al., 1992
Gunion, R.F.; Gilles, M.K.; Polak, M.L.; Lineberger, W.C., Ultraviolet Photoelectron Spectroscopy of the Phenide, Benzyl, and Phenoxide Anions., Int. J. Mass Spectrom. Ion Proc., 1992, 117, 601, https://doi.org/10.1016/0168-1176(92)80115-H . [all data]

Meot-ner and Sieck, 1986
Meot-ner, M.; Sieck, L.W., Relative acidities of water and methanol, and the stabilities of the dimer adducts, J. Phys. Chem., 1986, 90, 6687. [all data]

Graul and Squires, 1990
Graul, S.T.; Squires, R.R., Gas-Phase Acidities Derived from Threshold Energies for Activated Reactions, J. Am. Chem. Soc., 1990, 112, 7, 2517, https://doi.org/10.1021/ja00163a007 . [all data]

Bohme and Young, 1971
Bohme, D.K.; Young, L.B., Electron affinities from thermal proton transfer reactions: C6H5 and C6H5CH2, Can. J. Chem., 1971, 49, 2918. [all data]

Bartmess and McIver Jr., 1979
Bartmess, J.E.; McIver Jr., The Gas Phase Acidity Scale in Gas Phase Ion Chemistry, Gas Phase Ion Chemistry, V. 2, M.T. Bowers, Ed., Academic Press, NY, 1979, Ch. 11, Elsevier, 1979. [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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