Cyclopropane, 1,2-dimethyl-, trans-
- Formula: C5H10
- Molecular weight: 70.1329
- IUPAC Standard InChIKey: VKJLDXGFBJBTRQ-RFZPGFLSSA-N
- CAS Registry Number: 2402-06-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: trans-1,2-Dimethylcyclopropane; (E)-1,2-Dimethylcyclopropane
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
35.62 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. |
49.64 | 100. | ||
63.17 | 150. | ||
76.20 | 200. | ||
97.69 | 273.15 | ||
105.57 | 298.15 | ||
106.16 | 300. | ||
137.37 | 400. | ||
164.97 | 500. | ||
188.16 | 600. | ||
207.71 | 700. | ||
224.38 | 800. | ||
238.74 | 900. | ||
251.16 | 1000. | ||
261.92 | 1100. | ||
271.24 | 1200. | ||
279.34 | 1300. | ||
286.38 | 1400. | ||
292.51 | 1500. | ||
304.7 | 1750. | ||
313.5 | 2000. | ||
320.0 | 2250. | ||
325.0 | 2500. | ||
328.8 | 2750. | ||
331.7 | 3000. |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry 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 as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C5H10+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.02 ± 0.05 | EI | Holmes and Lossing, 1991 | LL |
9.73 ± 0.02 | EI | Natalis and Laune, 1964 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H6+ | 11.29 ± 0.05 | C2H4 | EI | Natalis and Laune, 1964 | RDSH |
C4H7+ | 11.38 ± 0.04 | CH3 | EI | Natalis and Laune, 1964 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, 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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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. |
---|---|
NIST MS number | 249 |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, 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]
Holmes and Lossing, 1991
Holmes, J.L.; Lossing, F.P.,
Ionization energies of homologous organic compounds and correlation with molecular size,
Org. Mass Spectrom., 1991, 26, 537. [all data]
Natalis and Laune, 1964
Natalis, P.; Laune, J.,
Etude du comportement d'isomeres geometriques sous l'impact electronique. IV. Cyclopropane, methylcyclopropane et dimethylcyclopropanes gem. cis et trans,
Bull. Soc. Chim. Belges, 1964, 73, 944. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.