3-Methylcholanthrene

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.


Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tfus442.4KN/AKelley and Rice, 1964Uncertainty assigned by TRC = 0.8 K; TRC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
553.20.11Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
93.8398.GCLei, Chankalal, et al., 2002Based on data from 323. to 473. K.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
127.2 ± 2.4413.AStephenson and Malanowski, 1987Based on data from 401. to 425. K. See also Kelley and Rice, 1964, 2.; AC
127.2401.VKelley and Rice, 1964, 3ALS

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:


Gas phase ion energetics data

Go To: Top, Phase change 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference
7.66CTSSlifkin and Allison, 1967

Mass spectrum (electron ionization)

Go To: Top, Phase change 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.

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-2406
NIST MS number 234216

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, Phase change 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.

Kelley and Rice, 1964
Kelley, J.D.; Rice, F.O., The Vapor Presures of Some Polynumclear Aromatic Hydrocarbons, J. Phys. Chem., 1964, 68, 3794-6. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Lei, Chankalal, et al., 2002
Lei, Ying Duan; Chankalal, Raymond; Chan, Anita; Wania, Frank, Supercooled Liquid Vapor Pressures of the Polycyclic Aromatic Hydrocarbons, J. Chem. Eng. Data, 2002, 47, 4, 801-806, https://doi.org/10.1021/je0155148 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Kelley and Rice, 1964, 2
Kelley, J. Daniel; Rice, Francis Owen, The Vapor Pressures of Some Polynuclear Aromatic Hydrocarbons 1, J. Phys. Chem., 1964, 68, 12, 3794-3796, https://doi.org/10.1021/j100794a043 . [all data]

Kelley and Rice, 1964, 3
Kelley, J.D.; Rice, F.O., The vapor pressures of some polynuclear aromatic hydrocarbons, J. Phys. Chem., 1964, 68, 3794. [all data]

Slifkin and Allison, 1967
Slifkin, M.A.; Allison, A.C., Measurement of ionization potentials from contact charge transfer spectra, Nature, 1967, 215, 949. [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References