1-Methyl-3,3-diphenylurea
- Formula: C14H14N2O
- Molecular weight: 226.2738
- IUPAC Standard InChIKey: IMFYAZJNDOZIFV-UHFFFAOYSA-N
- CAS Registry Number: 13114-72-2
- 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: Urea, N'-methyl-N,N-diphenyl-; N,N-Diphenyl-N'-methylurea; 3-methyl-1,1-diphenylurea
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Condensed phase thermochemistry data
Go To: Top, Phase change 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -25.5 ± 1.7 | kcal/mol | Ccb | Medard and Thomas, 1952 | Reanalyzed by Cox and Pilcher, 1970, Original value = -22.3 kcal/mol; Author's hf291_condensed=-29.1 kcal/mol |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1784.2 | kcal/mol | Ccb | Handrick, 1956 | Klein and Schmidt, Unpublished |
ΔcH°solid | -1769.4 ± 1.7 | kcal/mol | Ccb | Medard and Thomas, 1952 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1772.6 kcal/mol; Author's hf291_condensed=-29.1 kcal/mol |
Phase change data
Go To: Top, Condensed phase thermochemistry 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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 444.4 | K | N/A | Medard and Thomas, 1952, 2 | Uncertainty assigned by TRC = 0.00001 K |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change 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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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 | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291111 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
Medard and Thomas, 1952
Medard, L.; Thomas, M.,
Determination des chaleurs de combustion de douze composes organiques utilises dans les poudres et enplosies,
Mem. Poudres, 1952, 34, 421-442. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Handrick, 1956
Handrick, G.R.,
Report of the study of pure explosive compounds. Part IV. Calculation of heat of combustion of organic compounds from structural features and calculation of power of high explosives, Rpt. C-58247 for the Office of the Chief of Ordnance, contract DA-19-020-ORD-47 by the Arthur D. Little, Inc., Cambridge, MA, 1956, 467-573. [all data]
Medard and Thomas, 1952, 2
Medard, L.; Thomas, M.,
Meml. Poudres, 1952, 34, 421. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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