Acetamide, N-(4-bromophenyl)-


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 by: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub26.3 ± 1.kcal/molFus+VapVecchio and Tomassetti, 2009 

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference
19. ± 0.5480.TGAVecchio and Tomassetti, 2009
18. ± 0.2460.TGAVecchio and Tomassetti, 2009

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference
6.21440.3Barrio, Espeau, et al., 2009
6.17441.2Vecchio, Catalani, et al., 2004

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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
8.17 ± 0.03EIBenezra and Bursey, 1971LLK
8.4 ± 0.2EIGamble, Gilbert, et al., 1970RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H3O+13.96 ± 0.03?EIBenezra and Bursey, 1971LLK
C6H6NBr+10.56 ± 0.03CH2=C=OEIBenezra and Bursey, 1971LLK
C6H6NBr+10.6 ± 0.2?EIGamble, Gilbert, et al., 1970RDSH

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

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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 MUS56 A. Mujsce, AT&T Bell Labs., Murray Hill, N.J., USA
NIST MS number 115452

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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.

Vecchio and Tomassetti, 2009
Vecchio, Stefano; Tomassetti, Mauro, Vapor pressures and standard molar enthalpies, entropies and Gibbs energies of sublimation of three 4-substituted acetanilide derivatives, Fluid Phase Equilibria, 2009, 279, 1, 64-72, https://doi.org/10.1016/j.fluid.2009.02.001 . [all data]

Barrio, Espeau, et al., 2009
Barrio, Maria; Espeau, Philippe; Tamarit, Josep Lluis; Perrin, Marc-Antoine; Veglio, Nestor; Ceolin, René, Polymorphism of progesterone: Relative stabilities of the orthorhombic phases I and II inferred from topological and experimental pressure-temperature phase diagrams, J. Pharm. Sci., 2009, 98, 5, 1657-1670, https://doi.org/10.1002/jps.21541 . [all data]

Vecchio, Catalani, et al., 2004
Vecchio, Stefano; Catalani, Alessia; Rossi, Vanessa; Tomassetti, Mauro, Thermal analysis study on vaporization of some analgesics. Acetanilide and derivatives, Thermochimica Acta, 2004, 420, 1-2, 99-104, https://doi.org/10.1016/j.tca.2003.09.039 . [all data]

Benezra and Bursey, 1971
Benezra, S.A.; Bursey, M.M., ortho-Effects on ordering factors in mass spectral rearrangements. Loss of keten from halogenated phenyl acetates and acetanilides, J. Chem. Soc. B, 1971, 1515. [all data]

Gamble, Gilbert, et al., 1970
Gamble, A.A.; Gilbert, J.R.; Tillett, J.G., Substituent effects in the fragmentation of acetanilides,, J. Chem. Soc. B, 1970, 1231. [all data]


Notes

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