Disilane, 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 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

Ionization energy determinations

IE (eV) Method Reference Comment
8.27 ± 0.05PIPECOSzepes and Baer, 1984T = 298K; LBLHLM
8.27 ± 0.05PIPECOSzepes and Baer, 1984T = 0K; LBLHLM
8.27 ± 0.05PIPECOSzepes and Baer, 1984, 2T = 0K; LBLHLM
8.4PESzepes, Koranyi, et al., 1981LLK
8.0PEPotzinger, Ritter, et al., 1975LLK
8.35 ± 0.12EILappert, Pedley, et al., 1971LLK
8.46 ± 0.15EIGaidis, Briggs, et al., 1971LLK
8.00 ± 0.01EIPitt, Bursey, et al., 1970RDSH
8.35 ± 0.12EILappert, Simpson, et al., 1969RDSH
8.79 ± 0.08EIHess, Lampe, et al., 1965RDSH
8.68PEMochida, Worley, et al., 1985Vertical value; LBLHLM
8.7 ± 0.05PESzepes, Koranyi, et al., 1981Vertical value; LLK
8.69PEKhvostenko, Zykov, et al., 1981Vertical value; LLK
8.69PEBock and Ensslin, 1971Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H9Si+9.8 ± 0.1C3H9SiPIPECOSzepes and Baer, 1984T = 0K; LBLHLM
C3H9Si+9.9(CH3)3SiEIPotzinger, Ritter, et al., 1975LLK
C3H9Si+10.22 ± 0.18(CH3)3SiEILappert, Pedley, et al., 1971LLK
C3H9Si+10.22 ± 0.18?EILappert, Simpson, et al., 1969RDSH
C3H9Si+10.0 ± 0.1?EIBand, Davidson, et al., Commun. 1967RDSH
C3H9Si+10.0 ± 0.1?EIConnor, Finney, et al., 1966RDSH
C3H9Si+10.69 ± 0.04?EIHess, Lampe, et al., 1964RDSH
C5H15Si2+9.6 ± 0.1CH3PIPECOSzepes and Baer, 1984T = 0K; LBLHLM
C5H15Si2+9.6 ± 0.1CH3PIPECOSzepes and Baer, 1984, 2T = 0K; LBLHLM
C5H15Si2+10.74 ± 0.08CH3EIHess, Lampe, et al., 1965RDSH

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-9254
NIST MS number 236663

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Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedC78, Branched paraffin130.686.1Dallos, Sisak, et al., 2000He; Column length: 3.3 m
PackedC78, Branched paraffin130.685.9Reddy, Dutoit, et al., 1992Chromosorb G HP; Column length: 3.3 m

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySqualane698.Szekely, Nefedov, et al., 1967Nitrogen, 5. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C; Tend: 250. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySqualane699.Szekely, Nefedov, et al., 1967Nitrogen; Column length: 50. m; Column diameter: 0.25 mm; Program: not specified

References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Szepes and Baer, 1984
Szepes, L.; Baer, T., Dissociation dynamics of energy selected hexamethyldisilane ions and the heats of formation of (CH3)3Si+ and (CH3)3Si, J. Am. Chem. Soc., 1984, 106, 273. [all data]

Szepes and Baer, 1984, 2
Szepes, L.; Baer, T., (CH3)3SiX tipusu vegyuletek vizsgalata fotoelectron-fotoion koincidenciaval,I. Meghatarozott belso energiaju hexametil-diszilan-ionok disszociaciojanak dinamikaja, Magy. Kem. Foly., 1984, 90, 104. [all data]

Szepes, Koranyi, et al., 1981
Szepes, L.; Koranyi, T.; Naray-Szabo, G.; Modelli, A.; Distefano, G., Ultraviolet photoelectron spectra of group IV hexamethyl derivatives containing a metal-metal bond, J. Organomet. Chem., 1981, 217, 35. [all data]

Potzinger, Ritter, et al., 1975
Potzinger, P.; Ritter, A.; Krause, J., Massenspektrometrische Bestimmung von Bindungsenergien in siliciumorganischen Verbindungen, Z. Naturforsch. A:, 1975, 30, 347. [all data]

Lappert, Pedley, et al., 1971
Lappert, M.F.; Pedley, J.B.; Simpson, J.; Spalding, T.R., Bonding studies of compounds of boron and the Group IV elements. VI. Mass spectrometric studies on compounds Me4M and Me3M-M'Me3 (M and M'=C, Si, Ge, Sn, and Pb): thermochemical data, J. Organomet. Chem., 1971, 29, 195. [all data]

Gaidis, Briggs, et al., 1971
Gaidis, J.M.; Briggs, P.R.; Shannon, T.W., Mass spectra of disilanes. Phenyl-silicon interaction and silicon-silicon bond strength, J. Phys. Chem., 1971, 75, 974. [all data]

Pitt, Bursey, et al., 1970
Pitt, C.G.; Bursey, M.M.; Rogerson, P.F., Catenates of the group IV elements. Correlation of σ electron energies, J. Am. Chem. Soc., 1970, 92, 519. [all data]

Lappert, Simpson, et al., 1969
Lappert, M.F.; Simpson, J.; Spalding, T.R., Bonding studies of compounds of the group IV elements: ionisation potentials of the Me3M radicals, J.Organometal. Chem., 1969, 17, PI. [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]

Mochida, Worley, et al., 1985
Mochida, K.; Worley, S.; Kochi, J., UV photoelectron spectra of peralkylated catenates of Group 4B elements (silicon, germanium, and tin), Bull. Chem. Soc. Jpn., 1985, 58, 3389. [all data]

Khvostenko, Zykov, et al., 1981
Khvostenko, V.I.; Zykov, B.G.; Yuriev, V.P.; Mironov, V.F.; Kovel'zon, G.I.; Panasenko, A.A.; Sheludyakov, V.D.; Gailyunas, I.A., Study of d(π)-p(π) interaction in vinyl- and alkylsilicon-containing compounds by photoelectron spectroscopy, J. Organomet. Chem., 1981, 218, 155. [all data]

Bock and Ensslin, 1971
Bock, H.; Ensslin, W., Bond-bond interaction in polysilanes, Angew. Chem. Int. Ed. Engl., 1971, 10, 404. [all data]

Band, Davidson, et al., Commun. 1967
Band, S.J.; Davidson, I.M.T.; Lambert, C.A.; Stephenson, I.L., Bond dissociation energies and heats of formation of trimethylsilyl compounds, Chem., Commun. 1967, 723. [all data]

Connor, Finney, et al., 1966
Connor, J.A.; Finney, G.; Leigh, G.J.; Haszeldine, R.N.; Robinson, P.J.; Sedgwick, R.D.; Simmons, R.F., Bond dissociation energies in organosilicon compounds, Chem. Commun., 1966, 178. [all data]

Hess, Lampe, et al., 1964
Hess, G.G.; Lampe, F.W.; Sommer, L.H., Bond dissociation energies and ion energetics in organosilicon compounds by electron impact, J. Am. Chem. Soc., 1964, 86, 3174. [all data]

Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E., Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups, J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0 . [all data]

Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz., Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups, J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S . [all data]

Szekely, Nefedov, et al., 1967
Szekely, T.; Nefedov, O.M.; Garzo, G.; Shiryayav, V.I.; Fritz, D., Gas chromatographic investigation of the thermal decomposition of polydimethylsilylene, Acta Chim. Acad. Sci. Hung., 1967, 54, 3-4, 241-254. [all data]


Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References