lithium hydride
- Formula: HLi
- Molecular weight: 7.949
- IUPAC Standard InChIKey: SIAPCJWMELPYOE-UHFFFAOYSA-N
- CAS Registry Number: 7580-67-8
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 33.609 | kcal/mol | Review | Chase, 1998 | Data last reviewed in September, 1967 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 40.848 | cal/mol*K | Review | Chase, 1998 | Data 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 |
Reference | Chase, 1998 |
Comment | Data last reviewed in September, 1967 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, 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.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -18.57 | kcal/mol | Review | Chase, 1998 | Data last reviewed in September, 1967 |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid,1 bar | 5.313 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1967 |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | -21.66 | kcal/mol | Review | Chase, 1998 | Data last reviewed in September, 1967 |
Quantity | Value | Units | Method | Reference | Comment |
S°solid | 4.787 | cal/mol*K | Review | Chase, 1998 | Data 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 |
Reference | Chase, 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 |
Reference | Chase, 1998 |
Comment | Data last reviewed in September, 1967 |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed 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 - 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) | 244.19 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 238.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.342 ± 0.012 | LPES | Sarkas, Hendricks, et al., 1994 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.9 ± 0.3 | EI | N/A | LLK |
De-protonation reactions
Li- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 356.01 ± 0.10 | kcal/mol | D-EA | Haeffler, Hanstorp, et al., 1996 | gas phase; Given: 0.618049(20) eV; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 350.88 ± 0.32 | kcal/mol | H-TS | Haeffler, Hanstorp, et al., 1996 | gas phase; Given: 0.618049(20) eV; B |
References
Go To: Top, Gas phase thermochemistry data, Condensed 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.
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]
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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity S°gas,1 bar Entropy of gas at standard conditions (1 bar) S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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