Thiourea, N,N'-diethyl-

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

Quantity Value Units Method Reference Comment
Tfus350.6KN/ATerenzi and Piacente, 1994Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Δsub29.1 ± 0.7kcal/molBDella Gatta, Józwiak, et al., 2000AC
Δsub28.73 ± 0.72kcal/molBTerenzi and Piacente, 1994, 2AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
24.1 ± 0.72368.ME,TETerenzi and Piacente, 1994, 2Based on data from 351. to 384. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
4.097350.5DSCDella Gatta, Józwiak, et al., 2000AC

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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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference
7.98 ± 0.05EIBaldwin, Maccoll, et al., Ind. 1966

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

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Mass 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 Japan AIST/NIMC Database- Spectrum MS-NW-1999
NIST MS number 228131

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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.

Terenzi and Piacente, 1994
Terenzi, L.; Piacente, V., vapour pressures and vaporization enthalpies of thiourea and a homologous series of its 1,3-dialkyl derivatives, Thermochim. Acta, 1994, 235, 61-6. [all data]

Della Gatta, Józwiak, et al., 2000
Della Gatta, Giuseppe; Józwiak, Malgorzata; Brunetti, Bruno; Abate, Lorenzo, Enthalpies and entropies of fusion and of sublimation at the temperature 298.15 K of thiourea and sevenN-alkylthioureas, The Journal of Chemical Thermodynamics, 2000, 32, 8, 979-997, https://doi.org/10.1006/jcht.2000.0662 . [all data]

Terenzi and Piacente, 1994, 2
Terenzi, L.; Piacente, V., Vapour pressures and vaporization enthalpies of thiourea and a homologous series of its 1,3-dialkyl derivatives, Thermochimica Acta, 1994, 235, 1, 61-66, https://doi.org/10.1016/0040-6031(94)80083-9 . [all data]

Baldwin, Maccoll, et al., Ind. 1966
Baldwin, M.; Maccoll, A.; Kirkien-Konasiewicz, A.; Saville, B., Ionisation potentials of the N-methylated thioureas, Chem., Ind. 1966, 286. [all data]


Notes

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