Cyclopropane, 1,2-dimethyl-, cis-

• Formula: C₅H₁₀
• Molecular weight: 70.1329
• IUPAC Standard InChI: InChI=1S/C5H10/c1-4-3-5(4)2/h4-5H,3H2,1-2H3/t4-,5+ Copy

  
• IUPAC Standard InChIKey: VKJLDXGFBJBTRQ-SYDPRGILSA-N Copy
• CAS Registry Number: 930-18-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Stereoisomers:
  • trans-1,2-Dimethylcyclopropane
  • Cyclopropane, 1,2-dimethyl-, trans-
  • 1,2-Dimethylcyclopropane
• Other names: cis-1,2-Dimethylcyclopropane; 1,cis-2-Dimethylcyclopropane; c-1,2-Dimethylcyclopropane
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • Gas Chromatography
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  • Gas Phase Kinetics Database
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Gas 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

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

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

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

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

 +  =

By formula: H₂ + C₅H₈ = C₅H₁₀

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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Additional Data

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

References

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

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

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

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

Turner, Goebel, et al., 1968
Turner, R.B.; Goebel, P.; Mallon, B.J.; Doering, W.E.; Coburn, J.F., Jr.; Pomerantz, M., Heats of hydrogenation. VIII. Compounds with three- and four-membered rings, J. Am. Chem. Soc., 1968, 90, 4315-4322. [all data]

Chesick, 1963
Chesick, J.P., Kinetics of the thermal interconversion of 2-methylmethylenecyclopropane and ethylidenecyclopropane, J. Am. Chem. Soc., 1963, 85, 2720-2723. [all data]

Notes

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• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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