Acetamide, N-(aminocarbonyl)-

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Gas phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-441.7 ± 0.9kJ/molCcrImamura, Takahashi, et al., 1989see Imamura, Murata, et al., 1988

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub103.05 ± 0.67kJ/molCImamura, Takahashi, et al., 1989see Imamura, Murata, et al., 1988; ALS
Δsub103.1 ± 0.7kJ/molN/AImamura, Murata, et al., 1988AC
Δsub103.1 ± 0.7kJ/molCMurata, Sakiyama, et al., 1985AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Reference Comment
102.4 ± 0.7383.Imamura, Murata, et al., 1988Based on data from 360. to 407. K.; AC

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

Ionization energy determinations

IE (eV) Method Reference Comment
10.3PEDougherty, Wittel, et al., 1976Vertical value; LLK

De-protonation reactions

C3H5N2O2- + Hydrogen cation = Acetamide, N-(aminocarbonyl)-

By formula: C3H5N2O2- + H+ = C3H6N2O2

Quantity Value Units Method Reference Comment
Δr1458. ± 12.kJ/molG+TSCumming and Kebarle, 1978gas phase; Acid: acetylurea; B
Quantity Value Units Method Reference Comment
Δr1427. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase; Acid: acetylurea; B

References

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes

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

Imamura, Takahashi, et al., 1989
Imamura, A.; Takahashi, K.; Murata, S.; Sakiyama, M., Standard enthalpies of formation of trimethyl cyanurate, malonamide, and 1,3-dimethyluracil, J. Chem. Thermodyn., 1989, 21, 237-246. [all data]

Imamura, Murata, et al., 1988
Imamura, A.; Murata, S.; Sakiyama, M., Combustion and sublimation calorimetric studies on acetylurea and trimethyl isocyanurate, J. Chem. Thermodyn., 1988, 20, 389-396. [all data]

Murata, Sakiyama, et al., 1985
Murata, S.; Sakiyama, M.; Seki, S., Sublimation calorimetric studies using a calvet microcalorimeter, Thermochimica Acta, 1985, 88, 1, 121-126, https://doi.org/10.1016/0040-6031(85)85419-8 . [all data]

Dougherty, Wittel, et al., 1976
Dougherty, D.; Wittel, K.; Meeks, J.; McGlynn, S.P., Photoelectron spectroscopy of carbonyls. Ureas, uracils, and thymine, J. Am. Chem. Soc., 1976, 98, 3815. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]


Notes

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