Phosgene

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.


Reaction thermochemistry data

Go To: Top, 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

Chlorine anion + Phosgene = (Chlorine anion • Phosgene)

By formula: Cl- + CCl2O = (Cl- • CCl2O)

Quantity Value Units Method Reference Comment
Δr12.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr6.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Carbon dioxide + Carbon Tetrachloride = 2Phosgene

By formula: CO2 + CCl4 = 2CCl2O

Quantity Value Units Method Reference Comment
Δr16.8 ± 0.5kcal/molEqkLord and Pritchard, 1969gas phase; Two values for Hf; ALS
Δr16.8 ± 0.5kcal/molEqkLord and Pritchard, 1969gas phase; Two values for Hf; ALS

Phosgene + Water = Carbon dioxide + 2Hydrogen chloride

By formula: CCl2O + H2O = CO2 + 2HCl

Quantity Value Units Method Reference Comment
Δr-17.25 ± 0.22kcal/molCmDavies and Pritchard, 1972gas phase; Heat of hydrolysis; ALS

2Phosgene = Carbon dioxide + Carbon Tetrachloride

By formula: 2CCl2O = CO2 + CCl4

Quantity Value Units Method Reference Comment
Δr-16.8 ± 0.5kcal/molEqkLord and Pritchard, 1969gas phase; ALS

Mass spectrum (electron ionization)

Go To: Top, Reaction thermochemistry 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 DOW CHEMICAL COMPANY / ASTM E14-UNCERTIFIED SPECTRUM 42
NIST MS number 34341

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, Reaction thermochemistry 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.

Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria, J. Am. Chem. Soc., 1985, 107, 766. [all data]

Lord and Pritchard, 1969
Lord, A.; Pritchard, H.O., Thermodynamics of the reaction between carbon dioxide and carbon tetrachloride, J. Chem. Thermodyn., 1969, 1, 495-498. [all data]

Davies and Pritchard, 1972
Davies, J.V.; Pritchard, H.O., The enthalpy of formation of phosgene, J. Chem. Thermodyn., 1972, 4, 23-29. [all data]


Notes

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), References