Ethane, nitro-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, References, Notes

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

Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C2H4NO2- + Hydrogen cation = Ethane, nitro-

By formula: C2H4NO2- + H+ = C2H5NO2

Quantity Value Units Method Reference Comment
Δr355.9 ± 2.2kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr357.5 ± 2.9kcal/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr349.5 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr351.0 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase; B

CAS Reg. No. 34533-65-8 + 2Ethane, nitro- = C6H15N3O6-

By formula: CAS Reg. No. 34533-65-8 + 2C2H5NO2 = C6H15N3O6-

Quantity Value Units Method Reference Comment
Δr14.60 ± 0.20kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr6.30kcal/molTDAsWincel, 2004gas phase; B

Nitrogen oxide anion + Ethane, nitro- = C2H5N2O4-

By formula: NO2- + C2H5NO2 = C2H5N2O4-

Quantity Value Units Method Reference Comment
Δr15.80 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr8.90kcal/molTDAsWincel, 2004gas phase; B

C2H5N2O4- + 2Ethane, nitro- = C4H10N3O6-

By formula: C2H5N2O4- + 2C2H5NO2 = C4H10N3O6-

Quantity Value Units Method Reference Comment
Δr14.90 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr6.80kcal/molTDAsWincel, 2004gas phase; B

C4H10N3O6- + 3Ethane, nitro- = C6H15N4O8-

By formula: C4H10N3O6- + 3C2H5NO2 = C6H15N4O8-

Quantity Value Units Method Reference Comment
Δr11.80 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr4.00kcal/molTDAsWincel, 2004gas phase; B

C6H15N4O8- + 4Ethane, nitro- = C8H20N5O10-

By formula: C6H15N4O8- + 4C2H5NO2 = C8H20N5O10-

Quantity Value Units Method Reference Comment
Δr11.00 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr2.70kcal/molTDAsWincel, 2004gas phase; B

C6H15N3O6- + 3Ethane, nitro- = C8H20N4O8-

By formula: C6H15N3O6- + 3C2H5NO2 = C8H20N4O8-

Quantity Value Units Method Reference Comment
Δr13.60 ± 0.30kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr4.70kcal/molTDAsWincel, 2004gas phase; B

C8H20N4O8- + 4Ethane, nitro- = C10H25N5O10-

By formula: C8H20N4O8- + 4C2H5NO2 = C10H25N5O10-

Quantity Value Units Method Reference Comment
Δr11.90 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr2.10kcal/molTDAsWincel, 2004gas phase; B

C4H10N2O6- + 2Ethane, nitro- = C6H15N3O8-

By formula: C4H10N2O6- + 2C2H5NO2 = C6H15N3O8-

Quantity Value Units Method Reference Comment
Δr12.70 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr4.40kcal/molTDAsWincel, 2004gas phase; B

C6H15N3O8- + 3Ethane, nitro- = C8H20N4O10-

By formula: C6H15N3O8- + 3C2H5NO2 = C8H20N4O10-

Quantity Value Units Method Reference Comment
Δr11.30 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr2.40kcal/molTDAsWincel, 2004gas phase; B

C8H20N4O10- + 4Ethane, nitro- = C10H25N5O12-

By formula: C8H20N4O10- + 4C2H5NO2 = C10H25N5O12-

Quantity Value Units Method Reference Comment
Δr10.50 ± 0.50kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr0.70kcal/molTDAsWincel, 2004gas phase; B

C4H8N2O4- + 2Ethane, nitro- = C6H13N3O6-

By formula: C4H8N2O4- + 2C2H5NO2 = C6H13N3O6-

Quantity Value Units Method Reference Comment
Δr15.20 ± 0.80kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr5.70kcal/molTDAsWincel, 2004gas phase; B

C4H9N2O4- + 2Ethane, nitro- = C6H14N3O6-

By formula: C4H9N2O4- + 2C2H5NO2 = C6H14N3O6-

Quantity Value Units Method Reference Comment
Δr15.40 ± 0.80kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr6.20kcal/molTDAsWincel, 2004gas phase; B

C2H3NO2- + Ethane, nitro- = C4H8N2O4-

By formula: C2H3NO2- + C2H5NO2 = C4H8N2O4-

Quantity Value Units Method Reference Comment
Δr15.70 ± 0.80kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr8.50kcal/molTDAsWincel, 2004gas phase; B

C2H4NO2- + Ethane, nitro- = C4H9N2O4-

By formula: C2H4NO2- + C2H5NO2 = C4H9N2O4-

Quantity Value Units Method Reference Comment
Δr16.20 ± 0.80kcal/molTDAsWincel, 2004gas phase; B
Quantity Value Units Method Reference Comment
Δr9.00kcal/molTDAsWincel, 2004gas phase; B

C2H6NO2+ + Ethane, nitro- = (C2H6NO2+ • Ethane, nitro-)

By formula: C2H6NO2+ + C2H5NO2 = (C2H6NO2+ • C2H5NO2)

Quantity Value Units Method Reference Comment
Δr31.kcal/molPHPMSMeot-Ner, Hunter, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr33.cal/mol*KPHPMSMeot-Ner, Hunter, et al., 1979gas phase; M

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
IE (evaluated)10.9 ± 0.05eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)183.0kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity175.2kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.92 ± 0.01PEDewar, Shanshal, et al., 1969RDSH
10.88 ± 0.05PIWatanabe, Nakayama, et al., 1962RDSH
11.02PEKimura, Katsumata, et al., 1981Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H5+11.0NO2EITsuda and Hamill, 1966RDSH
C2H5O+10.62 ± 0.07NOEISolka and Russell, 1974LLK

De-protonation reactions

C2H4NO2- + Hydrogen cation = Ethane, nitro-

By formula: C2H4NO2- + H+ = C2H5NO2

Quantity Value Units Method Reference Comment
Δr355.9 ± 2.2kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr357.5 ± 2.9kcal/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr349.5 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr351.0 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase; B

References

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

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

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Wincel, 2004
Wincel, H., Gas-phase clustering reactions of NO2-, C2H3NO2-, C2H4NO2-C2H5NO2- and C2H5NO4- with C2H5NO2, Int. J. Mass Spectrom., 2004, 232, 2, 185-194, https://doi.org/10.1016/j.ijms.2004.01.003 . [all data]

Meot-Ner, Hunter, et al., 1979
Meot-Ner, (Mautner); Hunter, E.P.; Field, F.H., Ion Thermochemistry of Low Volatility Compounds in the Gas Phase. I. Intrinsic Basicities of Alpha - Amino Acids, J. Am. Chem. Soc., 1979, 101, 3, 686, https://doi.org/10.1021/ja00497a034 . [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]

Dewar, Shanshal, et al., 1969
Dewar, M.J.S.; Shanshal, M.; Worley, S.D., Calculated and observed ionization potentials gf nitroalkanes and of nitrous and nitric acids and esters. Extension of the MINDO method to nitrogen-oxygen compounds, J. Am. Chem. Soc., 1969, 91, 3590. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Tsuda and Hamill, 1966
Tsuda, S.; Hamill, W.H., Ionization efficiency measurements by the retarding potential difference method, Advan. Mass Spectrom., 1966, 3, 249. [all data]

Solka and Russell, 1974
Solka, B.H.; Russell, M.E., Energetics of formation of some structural isomers of gaseous C2H5O+ C2H6N+ ions, J. Phys. Chem., 1974, 78, 1268. [all data]


Notes

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