Propane, 1-bromo-2-methyl-

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.


Condensed phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Ion clustering 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-160.kJ/molCmHolm, 1973Grignard Rx; ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
163.7298.15Shehatta, 1993DH
154.4298.Kurbatov, 1948T = 11 to 80°C, mean Cp, two temperatures.; DH

Reaction thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Ion clustering 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - 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

Bromine anion + Propane, 1-bromo-2-methyl- = (Bromine anion • Propane, 1-bromo-2-methyl-)

By formula: Br- + C4H9Br = (Br- • C4H9Br)

Quantity Value Units Method Reference Comment
Δr53.97kJ/molTDAsDougherty, 1974gas phase; B,M
Quantity Value Units Method Reference Comment
Δr91.2J/mol*KHPMSDougherty, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr26.8kJ/molTDAsDougherty, 1974gas phase; B

Propane, 2-bromo-2-methyl- = Propane, 1-bromo-2-methyl-

By formula: C4H9Br = C4H9Br

Quantity Value Units Method Reference Comment
Δr19.0kJ/molEqkNesterova and Rozhnov, 1974gas phase; ALS

Ion clustering data

Go To: Top, Condensed phase thermochemistry data, Reaction 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

Bromine anion + Propane, 1-bromo-2-methyl- = (Bromine anion • Propane, 1-bromo-2-methyl-)

By formula: Br- + C4H9Br = (Br- • C4H9Br)

Quantity Value Units Method Reference Comment
Δr53.97kJ/molTDAsDougherty, 1974gas phase; B,M
Quantity Value Units Method Reference Comment
Δr91.2J/mol*KHPMSDougherty, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr26.8kJ/molTDAsDougherty, 1974gas phase; B

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

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.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-9144
NIST MS number 227727

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.


References

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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.

Holm, 1973
Holm, T., Thermochemistry of Grignard reagents. Enthalpies of formation of alkylmagnesium bromides and of alkyl bromides, J. Organomet. Chem., 1973, 56, 87-93. [all data]

Shehatta, 1993
Shehatta, I., Heat capacity at constant pressure of some halogen compounds, Thermochim. Acta, 1993, 213, 1-10. [all data]

Kurbatov, 1948
Kurbatov, V.Ya., Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons, Zh. Obshch. Kim., 1948, 18, 372-389. [all data]

Dougherty, 1974
Dougherty, R.C., SN2 reactions in the gas phase. Alkyl group structural effects, Org. Mass Spectrom., 1974, 8, 85. [all data]

Nesterova and Rozhnov, 1974
Nesterova, T.N.; Rozhnov, A.M., Isomerization of isostructural monobromobutanes, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1974, 17, 556-558. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), References