Silicon 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 as indicated in comments:
B - John E. Bartmess

Quantity Value Units Method Reference Comment
Δfgas75.5 ± 3.3kcal/molAcidBlondel, Chaibi, et al., 2005(28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001; B
Quantity Value Units Method Reference Comment
gas,1 bar38.714cal/mol*KReviewChase, 1998Data last reviewed in March, 1983

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

Si- + Hydrogen cation = Silylidyne

By formula: Si- + H+ = HSi

Quantity Value Units Method Reference Comment
Δr353.1 ± 2.7kcal/molD-EABlondel, Chaibi, et al., 2005gas phase; (28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001
Quantity Value Units Method Reference Comment
Δr347.9 ± 2.8kcal/molH-TSBlondel, Chaibi, et al., 2005gas phase; (28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001

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 compiled by: John E. Bartmess

Protonation reactions

Si- + Hydrogen cation = Silylidyne

By formula: Si- + H+ = HSi

Quantity Value Units Method Reference Comment
Δr353.1 ± 2.7kcal/molD-EABlondel, Chaibi, et al., 2005gas phase; (28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001
Quantity Value Units Method Reference Comment
Δr347.9 ± 2.8kcal/molH-TSBlondel, Chaibi, et al., 2005gas phase; (28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001

References

Go To: Top, Gas 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.

Blondel, Chaibi, et al., 2005
Blondel, C.; Chaibi, W.; Delsart, C.; Drag, C.; Goldfarb, F.; Kroger, S., The electron affinities of O, Si, and S revisited with the photodetachment microscope, Eur. Phys. J. D, 2005, 33, 3, 335-342, https://doi.org/10.1140/epjd/e2005-00069-9 . [all data]

Blondel, Delsart, et al., 2001
Blondel, C.; Delsart, C.; Goldfarb, F., Electron spectrometry at the mu eV level and the electron affinities of Si and F, J. Phys. B: Atom. Mol. Opt. Phys., 2001, 34, 9, L281-L288, https://doi.org/10.1088/0953-4075/34/9/101 . [all data]

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]


Notes

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