Adenosine, 2'-deoxy-


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

C10H12N5O3- + Hydrogen cation = Adenosine, 2'-deoxy-

By formula: C10H12N5O3- + H+ = C10H13N5O3

Quantity Value Units Method Reference Comment
Δr340.82 ± 0.36kcal/molCIDCKumari, Devi, et al., 2010gas phase; The entropy of acidity values from the kinetic method given, seem unreasonably small for the structures shown - JEB

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess

Quantity Value Units Method Reference Comment
Proton affinity (review)237.0kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity229.2kcal/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.70 ± 0.10LPESStokes, Li, et al., 2007Vertical Detachment Energy: 1.14 eV; B

De-protonation reactions

C10H12N5O3- + Hydrogen cation = Adenosine, 2'-deoxy-

By formula: C10H12N5O3- + H+ = C10H13N5O3

Quantity Value Units Method Reference Comment
Δr340.82 ± 0.36kcal/molCIDCKumari, Devi, et al., 2010gas phase; The entropy of acidity values from the kinetic method given, seem unreasonably small for the structures shown - JEB; B

References

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

Kumari, Devi, et al., 2010
Kumari, S.; Devi, C.L.; Prabhakar, S.; Bhanuprakash, K.; Vairaman, M., Estimation of Gas-Phase Acidities of Deoxyribonucleosides: An Experimental and Theoretical Study, J. Am. Soc. Mass Spectrom., 2010, 21, 1, 136-143, https://doi.org/10.1016/j.jasms.2009.09.019 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Stokes, Li, et al., 2007
Stokes, S.T.; Li, X.; Grubisic, A.; Ko, Y.J.; Bowen, K.H., Intrinsic electrophilic properties of nucleosides: Photoelectron spectroscopy of their parent anions, J. Chem. Phys., 2007, 127, 8, 084321, https://doi.org/10.1063/1.2774985 . [all data]


Notes

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