lithium hydride


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
Δfgas33.609kcal/molReviewChase, 1998Data last reviewed in September, 1967
Quantity Value Units Method Reference Comment
gas,1 bar40.848cal/mol*KReviewChase, 1998Data last reviewed in September, 1967

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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2000. to 6000.
A 8.672871
B 0.412531
C -0.058841
D 0.006396
E -0.435331
F 29.90210
G 49.68989
H 33.60999
ReferenceChase, 1998
Comment Data last reviewed in September, 1967

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

Li- + Hydrogen cation = lithium hydride

By formula: Li- + H+ = HLi

Quantity Value Units Method Reference Comment
Δr356.01 ± 0.10kcal/molD-EAHaeffler, Hanstorp, et al., 1996gas phase; Given: 0.618049(20) eV
Quantity Value Units Method Reference Comment
Δr350.88 ± 0.32kcal/molH-TSHaeffler, Hanstorp, et al., 1996gas phase; Given: 0.618049(20) eV

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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)244.19kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity238.1kcal/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.342 ± 0.012LPESSarkas, Hendricks, et al., 1994B

Ionization energy determinations

IE (eV) Method Reference Comment
7.9 ± 0.3EIN/ALLK

De-protonation reactions

Li- + Hydrogen cation = lithium hydride

By formula: Li- + H+ = HLi

Quantity Value Units Method Reference Comment
Δr356.01 ± 0.10kcal/molD-EAHaeffler, Hanstorp, et al., 1996gas phase; Given: 0.618049(20) eV; B
Quantity Value Units Method Reference Comment
Δr350.88 ± 0.32kcal/molH-TSHaeffler, Hanstorp, et al., 1996gas phase; Given: 0.618049(20) eV; 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.

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

Haeffler, Hanstorp, et al., 1996
Haeffler, G.; Hanstorp, G.; Kiyan, I.; Klinkm|ller, A.E.; Ljungblad, U.; Pegg, D.J., Electron affinity of Li: A state-selective measurement, Phys. Rev. A, 1996, 53, 6, 4127-4131, https://doi.org/10.1103/PhysRevA.53.4127 . [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]

Sarkas, Hendricks, et al., 1994
Sarkas, H.W.; Hendricks, J.H.; Arnold, S.T.; Bowen, K.H., Photoelectron Spectroscopy of Lithium Hydride Anion, J. Chem. Phys., 1994, 100, 3, 1884, https://doi.org/10.1063/1.466540 . [all data]


Notes

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