Hydrogen anion


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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Hydrogen anion + Hydrogen cation = Hydrogen

By formula: H- + H+ = H2

Quantity Value Units Method Reference Comment
Δr400.40kcal/molN/AShiell, Hu, et al., 2000gas phase; Given: 139714.8±1 cm-1 at 0K, or 399.465±0.003 kcal/mol; B
Δr400.40kcal/molN/APratt, McCormack, et al., 1992gas phase; 399.46±0.01 kcal/mol at 0K; 0.94 correction, Gurvich, Veyts, et al.; B
Δr400.40kcal/molD-EALykke, Murray, et al., 1991gas phase; Reported: 6082.99±0.15 cm-1, or 0.754195(18) eV; B
Quantity Value Units Method Reference Comment
Δr394.20 ± 0.10kcal/molH-TSShiell, Hu, et al., 2000gas phase; Given: 139714.8±1 cm-1 at 0K, or 399.465±0.003 kcal/mol; B
Δr394.20kcal/molH-TSLykke, Murray, et al., 1991gas phase; Reported: 6082.99±0.15 cm-1, or 0.754195(18) eV; B

Hydrogen anion + Borane = (Hydrogen anion • Borane)

By formula: H- + H3B = (H- • H3B)

Quantity Value Units Method Reference Comment
Δr74.2 ± 2.8kcal/molEndoWorkman and Squires, 1988gas phase; From Endo threshold for hydride transfer to CO2; B
Δr77.0 ± 2.0kcal/molTherKrivtsov, Titova, et al., 1977gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δr81.60kcal/molTherAltschuller, 1955gas phase; B

Hydrogen anion + Water = (Hydrogen anion • Water)

By formula: H- + H2O = (H- • H2O)

Quantity Value Units Method Reference Comment
Δr17.7 ± 2.0kcal/molN/AMiller, Leopold, et al., 1985gas phase; EA given is Vertical Detachment Energy. Est. Adiabatic: 1.40 eV, 32.3 kcal/mol; B
Δr17.3 ± 3.5kcal/molTherPaulson and Henchman, 1984gas phase; HOH..HO- + H2 ->. See also Griffiths and Harris, 1989; B,M
Δr13.80kcal/molCIDTPaulson and Henchman, 1982gas phase; B

Hydrogen anion + CAS Reg. No. 10177-98-7 = (Hydrogen anion • CAS Reg. No. 10177-98-7)

By formula: H- + CAS Reg. No. 10177-98-7 = (H- • CAS Reg. No. 10177-98-7)

Quantity Value Units Method Reference Comment
Δr20.0 ± 4.0kcal/molIMRBHajdasz, Ho, et al., 1994gas phase; affinity order: Et3SiH≤Et2SiH2≤nPnSiH3≤SiH4. nPnSiH3 is 0.4±0.2 kcal/mol > Et3SiH in ΔG. Et3SiH dHf(77PR) is wrong.; B
Δr10.8 ± 5.5kcal/molIMRBHajdasz and Squires, 1986gas phase; B

Hydrogen anion + Silane, triethyl- = (Hydrogen anion • Silane, triethyl-)

By formula: H- + C6H16Si = (H- • C6H16Si)

Quantity Value Units Method Reference Comment
Δr20.0 ± 4.0kcal/molIMRBHajdasz, Ho, et al., 1994gas phase; affinity order: Et3SiH≤Et2SiH2≤nPnSiH3≤SiH4. nPnSiH3 is 0.4±0.2 kcal/mol > Et3SiH in ΔG. Et3SiH dHf(77PR) is wrong.; B
Δr10.2 ± 5.5kcal/molIMRBHajdasz and Squires, 1986gas phase; B

Hydrogen anion + Silane = (Hydrogen anion • Silane)

By formula: H- + H4Si = (H- • H4Si)

Quantity Value Units Method Reference Comment
Δr19.0 ± 4.0kcal/molIMRBHajdasz, Ho, et al., 1994gas phase; B
Δr22.5 ± 4.5kcal/molIMREHajdasz and Squires, 1986gas phase; QCISD Calculation: H-A = 20.2, 99MOC; B
Quantity Value Units Method Reference Comment
Δr11.6 ± 4.1kcal/molIMRBHajdasz, Ho, et al., 1994gas phase; B

Hydrogen anion + Diethylsilane = (Hydrogen anion • Diethylsilane)

By formula: H- + C4H12Si = (H- • C4H12Si)

Quantity Value Units Method Reference Comment
Δr20.0 ± 4.0kcal/molIMRBHajdasz, Ho, et al., 1994gas phase; Hydride affinity order: Et3SiH≤Et2SiH2≤nPnSiH3≤SiH4. dHf(Et2SiH2) in 77Ped/Ryl is 10 kcal/mol too negative, relative to Me2SiH2.Group Additivity imples ca. -25 kcal/mol.; B

Hydrogen anion + Ammonia = (Hydrogen anion • Ammonia)

By formula: H- + H3N = (H- • H3N)

Quantity Value Units Method Reference Comment
Δr7.10kcal/molEstSnodgrass, Coe, et al., 1995gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Δr8.3kcal/molPESCoe, Snodgrass, et al., 1985gas phase; ΔrH<; M

Hydrogen anion + Trimethylaluminum = (Hydrogen anion • Trimethylaluminum)

By formula: H- + C3H9Al = (H- • C3H9Al)

Quantity Value Units Method Reference Comment
Δr>84.80 ± 0.50kcal/molIMRBden Berg, Ingemann, et al., 1992gas phase; Hydride affinity > (CF3)2CO. Computations indicate HOF(A-) ca. -46 kcal/mol, dHaff ca. 74 kcal/mol; B

(Hydrogen anion • Ammonia) + Ammonia = (Hydrogen anion • 2Ammonia)

By formula: (H- • H3N) + H3N = (H- • 2H3N)

Quantity Value Units Method Reference Comment
Δr8.10kcal/molEstSnodgrass, Coe, et al., 1995gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B

Hydrogen anion + Sulfur dioxide = (Hydrogen anion • Sulfur dioxide)

By formula: H- + O2S = (H- • O2S)

Quantity Value Units Method Reference Comment
Δr63. ± 16.kcal/molIMRBSheldon, Currie, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr57. ± 16.kcal/molIMRBSheldon, Currie, et al., 1985gas phase; B

Hydrogen anion + Borane, triethyl- = (Hydrogen anion • Borane, triethyl-)

By formula: H- + C6H15B = (H- • C6H15B)

Quantity Value Units Method Reference Comment
Δr69.4 ± 2.5kcal/molEndoWorkman and Squires, 1988gas phase; From Endo threshold for hydride transfer to CO2; B

Hydrogen anion + Molybdenum hexacarbonyl = (Hydrogen anion • Molybdenum hexacarbonyl)

By formula: H- + C6MoO6 = (H- • C6MoO6)

Quantity Value Units Method Reference Comment
Δr44.0 ± 4.0kcal/molN/ALane and Squires, 1988gas phase; Hydride affinity between CH2=O and PhCH=O; B

Hydrogen anion + Tungsten hexacarbonyl = (Hydrogen anion • Tungsten hexacarbonyl)

By formula: H- + C6O6W = (H- • C6O6W)

Quantity Value Units Method Reference Comment
Δr44.0 ± 4.0kcal/molN/ALane and Squires, 1988gas phase; Hydride affinity between CH2=O and PhCH=O; B

Hydrogen anion + Diborane = (Hydrogen anion • Diborane)

By formula: H- + H6B2 = (H- • H6B2)

Quantity Value Units Method Reference Comment
Δr74.00kcal/molTherWorkman and Squires, 1988gas phase; Calculated from data on BH3..BH4-; B

Hydrogen anion = C7H15O-

By formula: H- = C7H15O-

Quantity Value Units Method Reference Comment
Δr43.3 ± 3.3kcal/molN/ABoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale; B

Hydrogen anion + CH2BN = (Hydrogen anion • CH2BN)

By formula: H- + CH2BN = (H- • CH2BN)

Quantity Value Units Method Reference Comment
Δr26.90kcal/molN/AWorkman and Squires, 1988gas phase; Calculated from data on BH3..CN-; B

Hydrogen anion = C7H13O-

By formula: H- = C7H13O-

Quantity Value Units Method Reference Comment
Δr36.7 ± 2.3kcal/molN/AHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B

Hydrogen anion + Iron pentacarbonyl = (Hydrogen anion • Iron pentacarbonyl)

By formula: H- + C5FeO5 = (H- • C5FeO5)

Quantity Value Units Method Reference Comment
Δr56.2 ± 3.0kcal/molIMRBLane, Sallans, et al., 1985gas phase; B

Hydrogen anion + Hydroxyl radical = (Hydrogen anion • Hydroxyl radical)

By formula: H- + HO = (H- • HO)

Quantity Value Units Method Reference Comment
Δr51.8 ± 4.1kcal/molTherde Koening and Nibbering, 1984gas phase; B

Hydrogen anion + H6Al2 = H7Al2-

By formula: H- + H6Al2 = H7Al2-

Quantity Value Units Method Reference Comment
Δr77.0 ± 4.0kcal/molCIDTGoebbert, Hernandez, et al., 2005gas phase; B

Hydrogen anion + aluminium trihydride = H4Al-

By formula: H- + H3Al = H4Al-

Quantity Value Units Method Reference Comment
Δr75.0 ± 4.0kcal/molCIDTGoebbert, Hernandez, et al., 2005gas phase; B

Hydrogen anion + Trifluorophenylsilane = C6H6F3Si-

By formula: H- + C6H5F3Si = C6H6F3Si-

Quantity Value Units Method Reference Comment
Δr64.0 ± 3.2kcal/molCIDTKrouse, Lardin, et al., 2003gas phase; B

Gas phase ion energetics data

Go To: Top, Reaction 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

Protonation reactions

Hydrogen anion + Hydrogen cation = Hydrogen

By formula: H- + H+ = H2

Quantity Value Units Method Reference Comment
Δr400.40kcal/molN/AShiell, Hu, et al., 2000gas phase; Given: 139714.8±1 cm-1 at 0K, or 399.465±0.003 kcal/mol
Δr400.40kcal/molN/APratt, McCormack, et al., 1992gas phase; 399.46±0.01 kcal/mol at 0K; 0.94 correction, Gurvich, Veyts, et al.
Δr400.40kcal/molD-EALykke, Murray, et al., 1991gas phase; Reported: 6082.99±0.15 cm-1, or 0.754195(18) eV
Quantity Value Units Method Reference Comment
Δr394.20 ± 0.10kcal/molH-TSShiell, Hu, et al., 2000gas phase; Given: 139714.8±1 cm-1 at 0K, or 399.465±0.003 kcal/mol
Δr394.20kcal/molH-TSLykke, Murray, et al., 1991gas phase; Reported: 6082.99±0.15 cm-1, or 0.754195(18) eV

References

Go To: Top, 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.

Shiell, Hu, et al., 2000
Shiell, R.C.; Hu, X.K.; Hu, Q.C.J.; Hepburn, J.W., Threshold Ion-pair Production spectroscopy (TIPPS) of H2 and D2, Faraday Disc. Chem. Soc., 2000, 115, 331, https://doi.org/10.1039/a909428h . [all data]

Pratt, McCormack, et al., 1992
Pratt, S.T.; McCormack, E.F.; Dehmer, J.L.; Dehmer, P.M., Field-Induced Ion-Pair Formation in Molecular Hydrogen, Phys. Rev. Lett., 1992, 68, 5, 584, https://doi.org/10.1103/PhysRevLett.68.584 . [all data]

Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B., Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [all data]

Lykke, Murray, et al., 1991
Lykke, K.R.; Murray, K.K.; Lineberger, W.C., Threshold Photodetachment of H-, Phys. Rev. A, 1991, 43, 11, 6104, https://doi.org/10.1103/PhysRevA.43.6104 . [all data]

Workman and Squires, 1988
Workman, D.B.; Squires, R.R., Hydride Binding Energies of Boranes, Inorg. Chem., 1988, 27, 11, 1846, https://doi.org/10.1021/ic00284a003 . [all data]

Krivtsov, Titova, et al., 1977
Krivtsov, N.V.; Titova, K.V.; Rosolovskii, V.Ya., Thermochemical study of complex borates, Russ. J. Inorg. Chem., 1977, 22, 374. [all data]

Altschuller, 1955
Altschuller, A.P., Lattice Energies and Related Thermodynamic Properties of the Alkali Metal Borohydrides and of the Borohydride Ion, J. Am. Chem. Soc., 1955, 77, 21, 5455, https://doi.org/10.1021/ja01626a001 . [all data]

Miller, Leopold, et al., 1985
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C., The Photoelectron Spectrum of H3O-, Bull. Am. Phys. Soc., 1985, 30, 880. [all data]

Paulson and Henchman, 1984
Paulson, J.F.; Henchman, M.J., On the Formation of H3O- in an Ion-Molecule Reaction in Ionic Processes in the Gas Phase,, M.A. Almoster Ferreira, Ed., Reidel, Dordrecht,, 1984, 331. [all data]

Griffiths and Harris, 1989
Griffiths, W.J.; Harris, F.M., Amended Interpretation of the Results Obtained in an Experimental Investigation of the Structure of the H3O- Ion, Int. J. Mass Spectrom. Ion Proc., 1989, 87, 1, R25, https://doi.org/10.1016/0168-1176(89)80017-5 . [all data]

Paulson and Henchman, 1982
Paulson, J.F.; Henchman, M.J., The Hydrated Negative Hydrogen Ion, Bull. Am. Phys. Soc., 1982, 27, 108. [all data]

Hajdasz, Ho, et al., 1994
Hajdasz, D.J.; Ho, Y.; Squires, R.R., Gas-Phase Chemistry of Pentacoordinate Silicon Hydrides, J. Am. Chem. Soc., 1994, 116, 23, 10751, https://doi.org/10.1021/ja00102a045 . [all data]

Hajdasz and Squires, 1986
Hajdasz, D.J.; Squires, R.R., Hypervalent silicon hydrides: SiH5-, J. Am. Chem. Soc., 1986, 108, 3139. [all data]

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]

Coe, Snodgrass, et al., 1985
Coe, J.V.; Snodgrass, J.T.; Friedhoff, C.B.; McHugh, K.M.; Bowen, K.H., Negative ion photoelectron spectroscopy of the negative ion H-(NH3), J. Chem. Phys., 1985, 83, 3169. [all data]

den Berg, Ingemann, et al., 1992
den Berg, K.J. van; Ingemann, S.; Nibbering, N.M.M., Gas Phase Reactions of Negative Ions with Trimethylaluminum: Formation and Reactivity of the Me3AlH- Ion., Org. Mass Spectrom., 1992, 27, 4, 523, https://doi.org/10.1002/oms.1210270427 . [all data]

Sheldon, Currie, et al., 1985
Sheldon, J.C.; Currie, G.J.; Lahnstein, J.; Hayes, R.N.; Bowie, J.H., Gas Phase Ion Chemistry of Ambident Nucleophiles. Reactions of Alkoxide and Thiomethoxide Negative Ions with Hydrogen Free Molecules., Nouv. J. Chem., 1985, 9, 205. [all data]

Lane and Squires, 1988
Lane, K.R.; Squires, R.R., Hydride Transfer to Transition Metal Carbonyls in the Gas Phase. Formation and Relative Stabilities of Anionic Formyl Complexes, Polyhedron, 1988, 7, 16-17, 1609, https://doi.org/10.1016/S0277-5387(00)81786-6 . [all data]

Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T., The gas phase acidity of aliphatic alcohols, J. Am. Chem. Soc., 1983, 105, 2203. [all data]

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]

Lane, Sallans, et al., 1985
Lane, K.R.; Sallans, L.; Squires, R.R., Anion affinities of transition metal carbonyls. A thermochemical correlation for iron tetracarbonyl acyl negative ions, J. Am. Chem. Soc., 1985, 107, 5369. [all data]

de Koening and Nibbering, 1984
de Koening, L.J.; Nibbering, N.M.M., Formation of the Long-Lived H2O-. Ion in the Gas Phase, J. Am. Chem. Soc., 1984, 106, 25, 7971, https://doi.org/10.1021/ja00337a054 . [all data]

Goebbert, Hernandez, et al., 2005
Goebbert, D.J.; Hernandez, H.; Francisco, J.S.; Wenthold, P.G., The binding energy and bonding in dialane, J. Am. Chem. Soc., 2005, 127, 33, 11684-11689, https://doi.org/10.1021/ja0424070 . [all data]

Krouse, Lardin, et al., 2003
Krouse, I.H.; Lardin, H.A.; Wenthold, P.G., Gas-phase ion chemistry and ion thermochemistry of phenyltrifluorosilane, Int. J. Mass Spectrom., 2003, 227, 3, 303-314, https://doi.org/10.1016/S1387-3806(03)00080-0 . [all data]


Notes

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