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Cyclohexasilane, dodecamethyl-

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Phase change data

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

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus528.8KN/ACao, Wesson, et al., 1986Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
1.0528.8Cao, Wesson, et al., 1986, 2AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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:
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
7.29 ± 0.01EIPitt, Bursey, et al., 1970RDSH
7.79PEBock and Ensslin, 1971Vertical value; LLK

Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References, Notes

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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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 157834

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Gas Chromatography

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

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

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryApiezon L1593.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

View large format table.

Column type Active phase I Reference Comment
CapillaryApiezon L1593.Szekely, Nefedov, et al., 1967Nitrogen; Column length: 50. m; Column diameter: 0.25 mm; Program: not specified

References

Go To: Top, Phase change data, 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.

Cao, Wesson, et al., 1986
Cao, M.; Wesson, J.; Loufakis, K.; Wunderlich, B.; Moller, M., Condis Crystals of Small Molecules III. Thermal Analysis of Plastic and Condis Crystals of some Cyclosilanes, Mol. Cryst. Liq. Cryst., 1986, 140, 2-4, 231, https://doi.org/10.1080/00268948608080156 . [all data]

Cao, Wesson, et al., 1986, 2
Cao, Miaoyong; Wesson, John; Loufakis, Kyriakos; Wunderlich, Bernhard; Möller, Martin, Condis Crystals of Small Molecules III. Thermal Analysis of Plastic and Condis Crystals of some Cyclosilanes, Molecular Crystals and Liquid Crystals, 1986, 140, 2-4, 231-241, https://doi.org/10.1080/00268948608080156 . [all data]

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

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, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References