BH4 anion


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
Δfgas-18.47kcal/molTherWorkman and Squires, 1988From Endo threshold for hydride transfer to CO2
Δfgas-18.7 ± 2.0kcal/molLattKrivtsov, Titova, et al., 1977value altered from reference due to conversion from electron convention to ion convention
Δfgas-23.0 ± 5.0kcal/molLattAltschuller, 1955 
Δfgas<47.0 ± 6.6kcal/molIMRBDunbar, 1968HO- + B2H6 ->.

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

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

H4B- + Borane = (H4B- • Borane)

By formula: H4B- + H3B = (H4B- • H3B)

Quantity Value Units Method Reference Comment
Δr39.4 ± 1.2kcal/molCIDTWorkman and Squires, 1988gas phase; CID threshold in Ar target

Ion clustering 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

H4B- + Borane = (H4B- • Borane)

By formula: H4B- + H3B = (H4B- • H3B)

Quantity Value Units Method Reference Comment
Δr39.4 ± 1.2kcal/molCIDTWorkman and Squires, 1988gas phase; CID threshold in Ar target

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.

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]

Dunbar, 1968
Dunbar, R.C., Ion-Molecule Chemistry of Diborane by Ion Cyclotron Resonance, J. Am. Chem. Soc., 1968, 90, 21, 5676, https://doi.org/10.1021/ja01023a005 . [all data]


Notes

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