Diacetamide
- Formula: C4H7NO2
- Molecular weight: 101.1039
- IUPAC Standard InChIKey: ZSBDPRIWBYHIAF-UHFFFAOYSA-N
- CAS Registry Number: 625-77-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: CH3C(O)NHC(O)CH3; Bisacetylamine; Acetamide, N-acetyl-; Dicetylamine; N-Acetylacetamide; Diacetylamine
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Reaction thermochemistry data
Go To: Top, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C4H7NO2 + H2O = C2H5NO + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -4.33 ± 0.05 | kcal/mol | Cm | Hill and Wadso, 1968 | solid phase; Heat of hydrolysis; ALS |
ΔrH° | -4.33 ± 0.05 | kcal/mol | Cm | Wadso, 1965 | solid phase; Heat of hydrolysis; ALS |
C4H6NO2- + =
By formula: C4H6NO2- + H+ = C4H7NO2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 346.8 ± 3.5 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 339.8 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hill and Wadso, 1968
Hill, J.O.; Wadso, I.,
Some thermochemical properties of N,N,N-triacetylammonia,
Acta Chem. Scand., 1968, 22, 1590-1594. [all data]
Wadso, 1965
Wadso, I.,
Thermochemical properties of diacetimide, N-butyldiacetimide and N-phenyldiacetimide,
Acta Chem. Scand., 1965, 19, 1079-1087. [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
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.