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1,1-Dimethyl-1-silacyclobutane

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Condensed 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
solid,1 bar66.800cal/mol*KN/AGuseinov, Karasharli, et al., 1975 

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
47.211298.15Guseinov, Karasharli, et al., 1975T = 10 to 300 K. Data given graphically.

Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Ttriple155.52KN/AGuseinov, Karasharli, et al., 1975, 2Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Deltavap7.9 ± 0.2kcal/molIBessareb and Martynov, 1974AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Reference Comment
7.6819355.91Guseinov, Karasharli, et al., 1975DH
7.67356.Guseinov, Karasharli, et al., 1975, 2AC

Entropy of vaporization

DeltavapS (cal/mol*K) Temperature (K) Reference Comment
21.58355.91Guseinov, Karasharli, et al., 1975DH

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
1.616155.52Guseinov, Karasharli, et al., 1975DH
1.62155.5Guseinov, Karasharli, et al., 1975, 2AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
10.40155.52Guseinov, Karasharli, et al., 1975DH
10.25155.5Guseinov, Karasharli, et al., 1975, 2CAL

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:


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

Fluorine anion + 1,1-Dimethyl-1-silacyclobutane = (Fluorine anion bullet 1,1-Dimethyl-1-silacyclobutane)

By formula: F- + C5H12Si = (F- bullet C5H12Si)

Quantity Value Units Method Reference Comment
Deltar37.7 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase
Quantity Value Units Method Reference Comment
Deltar31.1 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase

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
8.83 ± 0.07PEDyke, Josland, et al., 1982LBLHLM
9.0PEKoenig and McKenna, 1981LLK
8.97 ± 0.03EIGusel'nikov, Volkova, et al., 1981LLK
8.83 ± 0.07EIPitt, Habercom, et al., 1968RDSH
9.4PEDyke, Josland, et al., 1982Vertical value; LBLHLM
9.40PECundy, Lappert, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H8Si+9.67 ± 0.05C2H4EIGusel'nikov, Volkova, et al., 1981LLK
C3H8Si+9.61C2H4PIGusel'nikov and Nametkin, 1979LLK

Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Fluorine anion + 1,1-Dimethyl-1-silacyclobutane = (Fluorine anion bullet 1,1-Dimethyl-1-silacyclobutane)

By formula: F- + C5H12Si = (F- bullet C5H12Si)

Quantity Value Units Method Reference Comment
Deltar37.7 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase
Quantity Value Units Method Reference Comment
Deltar31.1 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase

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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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 GUSELNIKOV, TOPCHIEV INST. PETROCHEM. SYNTH., MOSCOW,USSR
NIST MS number 98624

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), NIST Free Links, Notes

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

Guseinov, Karasharli, et al., 1975
Guseinov, Z.A.; Karasharli, K.A.; Dzhafarov, O.I.; Nurullaev, G.G.; Nametkin, N.S.; Gusel'nikov, L.E.; Volnina, F.A.; Burdasov, E.N.; Vdovin, V.M., Thermodynamic parameters of some cyclic and bridging carbosilanes, Dokl.Akad. Nauk, 1975, SSSR 222, 1369-1372. [all data]

Guseinov, Karasharli, et al., 1975, 2
Guseinov, A.Z.; Karasharli, K.A.; Dzhafarov, O.I.; Nurullaev, G.G.; Nametkin, N.S.; Gusel'nikov, L.E.; Volnina, E.A.; Burdasov, E.N.; Vdovin, V.N., Dokl. Akad. Nauk SSSR, 1975, 222, 1369. [all data]

Bessareb and Martynov, 1974
Bessareb, N.A.; Martynov, Y.M., Russ. J. Phys. Chem., 1974, 48, 1547. [all data]

Sullivan, DePuy, et al., 1981
Sullivan, S.A.; DePuy, C.H.; Damrauer, R., Gas Phase Reactions of Cyclic Silanes, J. Am. Chem. Soc., 1981, 103, 2, 480, https://doi.org/10.1021/ja00392a048 . [all data]

Dyke, Josland, et al., 1982
Dyke, J.M.; Josland, G.D.; Lewis, R.A.; Morris, A., Improved first ionization potential of the dimethylsilaethylene molecule obtained with high-temperature photoelectron spectroscopy, J. Phys. Chem., 1982, 86, 2913. [all data]

Koenig and McKenna, 1981
Koenig, T.; McKenna, W., First ionization band of 1,1-dimethylsilaethylene by transient photoelectron spectroscopy, J. Am. Chem. Soc., 1981, 103, 1212. [all data]

Gusel'nikov, Volkova, et al., 1981
Gusel'nikov, L.E.; Volkova, V.V.; Tarasenko, N.A.; Tishenkov, A.A.; Zaikin, V.G.; Eremina, E.I.; Nametkin, N.S., Deuterium labelling and thermochemical studies of dissociative ionization of methyl substituted monosilacyclobutanes. Ring expansion in the molecular ion of 1,1,3-trimethyl«SIGMA»-1-silacyclobutane, Org. Mass Spectrom., 1981, 16, 242. [all data]

Pitt, Habercom, et al., 1968
Pitt, C.G.; Habercom, M.S.; Bursey, M.M.; Rogerson, P.F., The electronic absorption and ionization potentials of carbosilanes. The question of 1,3(d-d) interaction in the excited state, J. Organometal. Chem., 1968, 15, 359. [all data]

Cundy, Lappert, et al., 1973
Cundy, C.S.; Lappert, M.F.; Pedley, J.B.; Schmidt, W.; Wilkins, B.T., Bonding studies of compounds of boron and the Group IV elements. XI. Photoelectron spectra of strained cyclic organosilicon compounds, J. Organomet. Chem., 1973, 51, 99. [all data]

Gusel'nikov and Nametkin, 1979
Gusel'nikov, L.E.; Nametkin, N.S., 1,1-dimethyl-1-silaethylene. Heat of formation, ionization potential and the energy of the silicon-carbon «pi»-bond, J. Organomet. Chem., 1979, 169, 155. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), NIST Free Links, References