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

Condensed 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
Δfliquid-18.57kcal/molReviewChase, 1998Data last reviewed in September, 1967
Quantity Value Units Method Reference Comment
liquid,1 bar5.313cal/mol*KReviewChase, 1998Data last reviewed in September, 1967
Quantity Value Units Method Reference Comment
Δfsolid-21.66kcal/molReviewChase, 1998Data last reviewed in September, 1967
Quantity Value Units Method Reference Comment
solid4.787cal/mol*KReviewChase, 1998Data last reviewed in September, 1967

Liquid 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) 961.8 to 2000.
A 14.90010
B 0.000000
C 0.000000
D 0.000000
E 0.000000
F -23.01670
G 23.34380
H -18.57410
ReferenceChase, 1998
Comment Data last reviewed in September, 1967

Solid 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) 298. to 961.8
A 3.694652
B 12.65110
C -0.023894
D 0.006989
E -0.069710
F -23.55760
G 5.096451
H -21.65990
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

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.

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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