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Cyclopropane, 1,1,2,2-tetramethyl-

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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafliquid-28.63 ± 0.22kcal/molCcbGood, 1971 
Quantity Value Units Method Reference Comment
Deltacliquid-1107.94 ± 0.20kcal/molCcbGood, 1971Corresponding «DELTA»fliquid = -28.62 kcal/mol (simple calculation by NIST; no Washburn corrections)

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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director

Quantity Value Units Method Reference Comment
Tboil349.KN/AKelso, Greenlee, et al., 1955Uncertainty assigned by TRC = 0.2 K
Tboil349.KN/AAnonymous, 1951Uncertainty assigned by TRC = 0.2 K
Tboil349.KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.3 K
Tboil349.KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.3 K
Tboil349.04KN/AAnonymous, 1948Uncertainty assigned by TRC = 0.3 K
Quantity Value Units Method Reference Comment
Tfus192.4 ± 0.2KAVGN/AAverage of 10 values; Individual data points

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:


IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 114490

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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
PackedSqualane27.618.Bogoslovsky, Anvaer, et al., 1978 
PackedSqualane50.621.Bogoslovsky, Anvaer, et al., 1978 
PackedSqualane60.621.Bogoslovsky, Anvaer, et al., 1978 
PackedSqualane67.621.Bogoslovsky, Anvaer, et al., 1978 
PackedSqualane86.622.Bogoslovsky, Anvaer, et al., 1978 
CapillarySqualane50.620.Rijks and Cramers, 1974N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane70.622.Rijks and Cramers, 1974N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane60.621.2Schomburg and Dielmann, 1973Column length: 100. m; Column diameter: 0.25 mm
PackedSqualane27.618.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.621.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.622.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm

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

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Column type Active phase I Reference Comment
CapillarySqualane621.Chen, 2008Program: not specified
CapillaryPolydimethyl siloxanes625.Zenkevich, Chupalov, et al., 1996Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, Notes

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

Good, 1971
Good, W.D., The enthalpies of combustion and formation of some alkyl cyclopropanes, J. Chem. Thermodyn., 1971, 3, 539-546. [all data]

Kelso, Greenlee, et al., 1955
Kelso, R.G.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E., The Synthesis, Purification and Properties of Some Polyalkylcyclo- propanes: Reduction of «alpha»,.gama.-Dibromides, J. Am. Chem. Soc., 1955, 77, 1751-5. [all data]

Anonymous, 1951
Anonymous, R., , Sunbury Rep. No. 4199, Anglo-Iranian Oil Co., 1951. [all data]

Boord, Greenlee, et al., 1950
Boord, C.E.; Greenlee, K.W.; Derfer, J.M., The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Twelfth Annu. Rep., Ohio State Univ., 1950. [all data]

Anonymous, 1948
Anonymous, R., , Am. Pet. Inst. Res. Proj. 6, Natl. Bur. Stand., 1948. [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Rijks and Cramers, 1974
Rijks, J.A.; Cramers, C.A., High precision capillary gas chromatography of hydrocarbons, Chromatographia, 1974, 7, 3, 99-106, https://doi.org/10.1007/BF02269819 . [all data]

Schomburg and Dielmann, 1973
Schomburg, G.; Dielmann, G., Use of retention increments for identification and correlation of saturated and unsaturated cyclopropane hydrocarbons by means of Kovats indices, Anal. Chem., 1973, 45, 9, 1647-1658, https://doi.org/10.1021/ac60331a021 . [all data]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]

Chen, 2008
Chen, H.-F., Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression, Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003 . [all data]

Zenkevich, Chupalov, et al., 1996
Zenkevich, I.G.; Chupalov, A.A.; Herzschuh, R., Correlation of the Increments of Gas Chromatographic Retention Indices with the Differences of Innermolecular Energies of Reagents and Products of Chemical Reactions, Zh. Org. Khim. (Rus.), 1996, 32, 11, 1685-1691. [all data]


Notes

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