Diethylcyanamide
- Formula: C5H10N2
- Molecular weight: 98.1463
- IUPAC Standard InChIKey: ZZTSQZQUWBFTAT-UHFFFAOYSA-N
- CAS Registry Number: 617-83-4
- 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: Cyanamide, diethyl-; N,N-Diethylcyanamide; USAF ek-6326; Diethylkyanamid
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 15.2 ± 0.74 | kcal/mol | Ccb | Ushakov, Sedov, et al., 1997 | ALS |
ΔfH°gas | 15.2 ± 0.50 | kcal/mol | Ccb | Ushakov, Sedov, et al., 1997 | ALS |
ΔfH°gas | 15.2 | kcal/mol | N/A | Ushakov, Sedov, et al., 1997 | Value computed using ΔfHliquid° value of 15.8±1.8 kj/mol from Ushakov, Sedov, et al., 1997 and ΔvapH° value of 47.7 kj/mol from Ushakov, Sedov, et al., 1997.; DRB |
Condensed 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 |
---|---|---|---|---|---|
ΔfH°liquid | 3.78 ± 0.43 | kcal/mol | Ccb | Ushakov, Sedov, et al., 1997 | |
ΔfH°liquid | 3.78 ± 0.43 | kcal/mol | Ccb | Ushakov, Sedov, et al., 1997 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -815.61 ± 0.43 | kcal/mol | Ccb | Ushakov, Sedov, et al., 1997 | |
ΔcH°liquid | -815.61 ± 0.43 | kcal/mol | Ccb | Ushakov, Sedov, et al., 1997 |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 461.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 192.1 | K | N/A | Witschonke, 1954 | Uncertainty assigned by TRC = 0.35 K; TRC |
Tfus | 192.55 | K | N/A | Witschonke, 1954 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 11.4 ± 0.2 | kcal/mol | V | Ushakov, Sedov, et al., 1997 | ALS |
ΔvapH° | 11.4 ± 0.2 | kcal/mol | V | Ushakov, Sedov, et al., 1997 | ALS |
ΔvapH° | 11.4 | kcal/mol | N/A | Ushakov, Sedov, et al., 1997 | DRB |
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: Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
View reactions leading to C5H10N2+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
8.97 | PE | Molder, Pikver, et al., 1983 |
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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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 |
State | gas |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ushakov, Sedov, et al., 1997
Ushakov, V.S.; Sedov, S.M.; Knyazev, B.A.; Kuchkaev, B.I.,
The thermodynamic properties of N,N-diethyl cyanamide,
Russ. J. Phys. Chem. (Engl. Transl.), 1997, 72, 1565-1568, In original 1743. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Witschonke, 1954
Witschonke, C.R.,
Freezing point and purity data for some organic compounds,
Anal. Chem., 1954, 26, 562-4. [all data]
Molder, Pikver, et al., 1983
Molder, U.H.; Pikver, R.J.; Koppel, I.A.,
Photoelectron spectra of molecules. 3. Nitriles,
Org. React. Tartu, 1983, 20, 230. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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