Phthalimide

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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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus511.15KN/ACowley and Partington, 1936Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δsub106.3 ± 1.3kJ/molMERibeiro da Silva, Santos, et al., 2006Based on data from 347. to 365. K.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
104.0 ± 0.4356.MERibeiro da Silva, Santos, et al., 2006Based on data from 347. to 365. K.; AC
82.8393.RGStephenson and Malanowski, 1987Based on data from 378. to 418. K. See also Klochkov, 1956.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
28.6507.2DSCCantor, 1978AC

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

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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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
1.015 ± 0.087IMREPaul and Kebarle, 1989ΔGea(423 K) = -25.4±1 kcal/mol, ΔS(est) = -3±3 eu; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.90PEKlasinc, Trinajstic, et al., 1980Vertical value; LLK
9.78 ± 0.05PEGalasso, Colonna, et al., 1977Vertical value; LLK

IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner SRD/NIST
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin EPA-IR VAPOR PHASE LIBRARY
Source reference No.290071 (NIST/EPA/NIH MS Database)
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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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Mass spectrum
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Additional Data

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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 NIST Mass Spectrometry Data Center, 1998.
NIST MS number 291737

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.


Gas Chromatography

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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

Lee's RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5251.70Pedersen, Durant, et al., 200530. m/0.25 mm/0.25 μm, Helium, 50. C @ 1.5 min, 6. K/min, 310. C @ 10. min

References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cowley and Partington, 1936
Cowley, E.G.; Partington, J.R., Studies in dielectric polarisation. Part XV. The dipole moments of fivemembered nitrogen ring compounds: indole,skatole,carbazole,isatin, phthalimide, and succinimide., J. Chem. Soc., 1936, 1936, 47. [all data]

Ribeiro da Silva, Santos, et al., 2006
Ribeiro da Silva, M.A.V.; Santos, C.P.F.; Monte, M.J.S.; Sousa, C.A.D., Thermochemical studies of phthalimide and two N-alkylsubstituted phthalimides (ALKYL=ETHYL AND n-PROPYL), J Therm Anal Calorim, 2006, 83, 3, 533-539, https://doi.org/10.1007/s10973-005-7448-3 . [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]

Klochkov, 1956
Klochkov, V.P., Zh. Fiz. Khim., 1956, 30, 2823. [all data]

Cantor, 1978
Cantor, Stanley, Applications of differential scanning calorimetry to the study of thermal energy storage, Thermochimica Acta, 1978, 26, 1-3, 39-47, https://doi.org/10.1016/0040-6031(78)80055-0 . [all data]

Paul and Kebarle, 1989
Paul, G.; Kebarle, P., Electron Affinities of Cyclic Unsaturated Dicarbonyls: Maleic Anhydrides, Maleimides, and Cyclopentendione, J. Am. Chem. Soc., 1989, 111, 2, 464, https://doi.org/10.1021/ja00184a009 . [all data]

Klasinc, Trinajstic, et al., 1980
Klasinc, L.; Trinajstic, N.; Knop, J.V., Application of photoelectron spectroscopy to biologically active molecules and their constituent parts. VIII. Thalidomide, Int. J. Quantum Chem., 1980, 7, 403. [all data]

Galasso, Colonna, et al., 1977
Galasso, V.; Colonna, F.P.; Distefano, G., Photoelectron spectra of 1,2-indandione, 1,3-indandione and heterocyclic analogues, J. Electron Spectrosc. Relat. Phenom., 1977, 10, 227. [all data]

Pedersen, Durant, et al., 2005
Pedersen, D.U.; Durant, J.L.; Taghizadeh, K.; Hemond, H.F.; Lafleur, A.L.; Cass, G.R., Human cell mutagenes in respirable airborne particles from the Northeastern United States. 2. Quantification of mutagenes and other organic compounds., Environ. Sci. Technol., 2005, 39, 24, 9547-9560, https://doi.org/10.1021/es050886c . [all data]


Notes

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