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Silylidyne


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 as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to HSi+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
1.2771 ± 0.0087LPESKasdan, Herbst, et al., 1975B

Ionization energy determinations

IE (eV) Method Reference Comment
7.89 ± 0.07ENDBoo and Armentrout, 1987LBLHLM
7.91 ± 0.01PIBerkowitz, Greene, et al., 1987LBLHLM
8.27 ± 0.06SCarslon, Copley, et al., 1980LLK
8.04DERHuber and Herzberg, 1979LLK
7.91SRao and Lakshman, 1971LLK
8.01 ± 0.08DERDouglas and Lutz, 1970RDSH

De-protonation reactions

Si- + Hydrogen cation = Silylidyne

By formula: Si- + H+ = HSi

Quantity Value Units Method Reference Comment
Deltar1477. ± 11.kJ/molD-EABlondel, Chaibi, et al., 2005gas phase; (28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001; B
Quantity Value Units Method Reference Comment
Deltar1456. ± 12.kJ/molH-TSBlondel, Chaibi, et al., 2005gas phase; (28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001; B

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.

Kasdan, Herbst, et al., 1975
Kasdan, A.; Herbst, E.; Lineberger, W.C., Laser photoelectron spectrometry of the negative ions of silicon and its hydrides, J. Chem. Phys., 1975, 62, 541. [all data]

Boo and Armentrout, 1987
Boo, B.H.; Armentrout, P.B., Reaction of silicon ion (2P) with silane (SiH4, SiD4) heats of formation of SiHn, SiHn+ (n=1,2,3), and Si2Hn+ (n=0,1,2,3) remarkable isotope exchange reaction involving four hydrogen shifts, J. Am. Chem. Soc., 1987, 109, 3549. [all data]

Berkowitz, Greene, et al., 1987
Berkowitz, J.; Greene, J.P.; Cho, H.; Ruscic, B., Photoionization mass spectrometric studies of SiHn (n=1-4), J. Chem. Phys., 1987, 86, 1235. [all data]

Carslon, Copley, et al., 1980
Carslon, T.A.; Copley, J.; Duric, N.; Perman, N. -Elander; Larsson, M.; Lyyra, M., The oscillator strengths and the dissociation energy of SiH+ as determined from time resolved precision spectroscopy, Astron. Astrophys., 1980, 83, 238. [all data]

Huber and Herzberg, 1979
Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules,, Van Nostrand Reinhold Co., 1979, ,1. [all data]

Rao and Lakshman, 1971
Rao, T.V.R.; Lakshman, S.V.J., The true potential energy curves and Franck-Condon factors of SiH and SiH+ molecules, Physica, 1971, 56, 322. [all data]

Douglas and Lutz, 1970
Douglas, A.E.; Lutz, B.L., Spectroscopic identification of the SiH+ molecule: the A 1«pi»-X1+ system, Can. J. Phys., 1970, 48, 247. [all data]

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]


Notes

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