(NH3)2..H anion
- Formula: H7N2-
- Molecular weight: 35.0695
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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.
Data compiled by: John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -19.10 | kcal/mol | Ther | Snodgrass, Coe, et al., 1995 | Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond. |
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 compiled by: John E. Bartmess
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.470 ± 0.020 | N/A | Grumbling and Sanov, 2011 | Stated electron affinity is the Vertical Detachment Energy |
| 1.455 ± 0.019 | LPES | Snodgrass, Coe, et al., 1995 | Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond. |
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.
Snodgrass, Coe, et al., 1995
Snodgrass, J.T.; Coe, J.V.; Freidhoff, C.B.; Mchugh, K.M.; Arnold, S.T.; Bowen, K.H.,
Negative ion photoelectron spectroscopy of NH2-(NH3)1 and NH2-(NH3)2: Gas phase basicities of partially solvated anions,
J. Phys. Chem., 1995, 99, 24, 9675, https://doi.org/10.1021/j100024a006
. [all data]
Grumbling and Sanov, 2011
Grumbling, E.R.; Sanov, A.,
Solvation effects on angular distributions in H-(NH3)(n) and NH2-(NH3)(n) photodetachment: Role of solute electronic structure,
J. Chem. Phys., 2011, 135, 16, 164301, https://doi.org/10.1063/1.3653232
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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