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Disiloxane, hexamethyl-

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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
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

Quantity Value Units Method Reference Comment
Proton affinity (review)202.3kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity195.1kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.6 ± 1.0EISeefeldt, Moller, et al., 1985LBLHLM
9.64 ± 0.01PIMolder, Pikver, et al., 1983LBLHLM
9.59 ± 0.04EIHess, Lampe, et al., 1965RDSH
9.88PEStarzewski, Dieck, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H9SiO+21.8 ± 0.2?EIBorossay, Csakvari, et al., 1971LLK
C3H9Si+15.4 ± 0.2?EIBorossay, Csakvari, et al., 1971LLK
C3H9Si+15.36 ± 0.13?EIHess, Lampe, et al., 1965RDSH
C5H15OSi2+10.4 ± 0.2CH3EISeefeldt, Moller, et al., 1985LBLHLM
C5H15OSi2+10.20 ± 0.07CH3EIHess, Lampe, et al., 1965RDSH


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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Seefeldt, Moller, et al., 1985
Seefeldt, R.; Moller, W.; Schmidt, M., Zur elektronenstossionisierung des hexamethyldisiloxans (HMDS), Z. Phys. Chem. (Leipzig), 1985, 266, 797. [all data]

Molder, Pikver, et al., 1983
Molder, U.H.; Pikver, R.J.; Koppel, I.A., Photoelectron spectra of molecules. 2. Ethers, Org. React. (N.Y. Engl. Transl.), 1983, 20, 208. [all data]

Hess, Lampe, et al., 1965
Hess, G.G.; Lampe, F.W.; Sommer, L.H., An electron impact study of ionization and dissociation of trimethylsilanes, J. Am. Chem. Soc., 1965, 87, 5327. [all data]

Starzewski, Dieck, et al., 1974
Starzewski, K.A.O.; Dieck, H.T.; Bock, H., Photoelectron spectra molecular properties. XXIII. Photoelectron spectra of silicon-substituted ylidic systems, J. Organomet. Chem., 1974, 65, 311. [all data]

Borossay, Csakvari, et al., 1971
Borossay, J.; Csakvari, B.; Szepes, L., Determination of bond energies of organic silicon compounds on the basis of appearance potentials, Int. J. Mass Spectrom. Ion Phys., 1971, 7, 47. [all data]


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