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Nitrogen atom

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Gas phase 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.

Quantity Value Units Method Reference Comment
Deltafgas472.68 ± 0.40kJ/molReviewCox, Wagman, et al., 1984CODATA Review value
Deltafgas472.68kJ/molReviewChase, 1998Data last reviewed in December, 1982
Quantity Value Units Method Reference Comment
gas,1 bar153.301 ± 0.003J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
gas,1 bar153.28J/mol*KReviewChase, 1998Data last reviewed in December, 1982

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 6000.
A 21.13581
B -0.388842
C 0.043545
D 0.024685
E -0.025678
F 466.3110
G 178.8263
H 472.6832
ReferenceChase, 1998
Comment Data last reviewed in December, 1982

Gas phase ion energetics data

Go To: Top, Gas phase 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 - E.P. Hunter and S.G. Lias
L - S.G. Lias

Data compiled as indicated in comments:
LL - S.G. Lias and J.F. Liebman
LBLHLM - S.G. Lias, J.E. Bartmess, J.F. Liebman, J.L. Holmes, R.D. Levin, and W.G. Mallard
LLK - S.G. Lias, R.D. Levin, and S.A. Kafafi
RDSH - H.M. Rosenstock, K. Draxl, B.W. Steiner, and J.T. Herron

View reactions leading to N+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)14.53414eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)342.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity318.7kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
14.53414EVALLide, 1992LL
14.534SKelly, 1987LBLHLM
14.549PIDehmer, Berkowitz, et al., 1974LLK
14.55PEJonathan, Morris, et al., 1970RDSH
14.534SMcConkey and Kernahan, 1968RDSH
14.53409SMcConkey and Kernahan, 1968RDSH
14.56EIFoner and Hudson, 1962RDSH

References

Go To: Top, Gas phase 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.

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [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]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Kelly, 1987
Kelly, R.L., Atomic and ionic spectrum lines of hydrogen through kryton, J. Phys. Chem. Ref. Data, 1987, 16. [all data]

Dehmer, Berkowitz, et al., 1974
Dehmer, P.M.; Berkowitz, J.; Chupka, W.A., Photoization of atomic nitrogen, J. Chem. Phys., 1974, 60, 2676. [all data]

Jonathan, Morris, et al., 1970
Jonathan, N.; Morris, A.; Smith, D.J.; Ross, K.J., Photoelectron spectra of ground state atomic hydrogen, nitrogen and oxygen, Chem. Phys. Lett., 1970, 7, 497. [all data]

McConkey and Kernahan, 1968
McConkey, J.W.; Kernahan, J.A., The ionization limits of N 1, Phys. Letters, 1968, 27A, 82. [all data]

Foner and Hudson, 1962
Foner, S.N.; Hudson, R.L., Mass spectrometric studies of metastable nitrogen atoms and molecules in active nitrogen, J. Chem. Phys., 1962, 37, 1662. [all data]


Notes

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