Formamide, N,N-dimethyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


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
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil426. ± 1.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus212.7KN/ADreisbach, 1955Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc649.6KN/ATeja and Anselme, 1990Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
ρc3.82mol/lN/ATeja and Anselme, 1990Uncertainty assigned by TRC = 0.08 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap46.7 ± 0.5kJ/molCGCPanneerselvam, Antony, et al., 2009Based on data from 463. to 513. K.; AC
Δvap46.9kJ/molABarone, Castronuovo, et al., 1985See also Majer and Svoboda, 1985.; AC
Δvap47.57kJ/molEGeller, 1961ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
43.1361.N/AMuñoz, Montón, et al., 2005Based on data from 346. to 425. K.; AC
41.8392.N/ABlanco, Beltrán, et al., 1997Based on data from 377. to 426. K.; AC
43.6353.N/AMarzal, Gabaldon, et al., 1995Based on data from 338. to 425. K.; AC
49.2316.AStephenson and Malanowski, 1987Based on data from 301. to 426. K.; AC
42.5370.N/ABludilina, Baev, et al., 1979Based on data from 318. to 423. K.; AC
56.7346.N/AMyasinkova, Schmelev, et al., 1974Based on data from 331. to 425. K. See also Boublik, Fried, et al., 1984.; AC
46.7318.N/AGopal and Rizvi, 1968Based on data from 303. to 363. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
303. to 363.3.930681337.716-82.648Gopal and Rizvi, 1968, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
8.950212.85N/AKaryakin, Rabinovich, et al., 1978DH
8.95212.9ACSmirnova, Tsvetkova, et al., 2007AC
8.95212.9N/ADomalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
41.8212.85Karyakin, Rabinovich, et al., 1978DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C3H7NO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.13eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)887.5kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity856.6kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Reference Comment
0.01362Desfrancois, Periquet, et al., 1999B

Ionization energy determinations

IE (eV) Method Reference Comment
9.45 ± 0.05EIBaldwin, Loudon, et al., 1977LLK
9.14PEBrundle, Turner, et al., 1969RDSH
9.12 ± 0.02PIWatanabe, Nakayama, et al., 1962RDSH
9.14PEBieri, Asbrink, et al., 1982Vertical value; LBLHLM
9.25PEHenriksen, Isaksson, et al., 1981Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHO+14.50?EILoudon and Webb, 1977LLK
CHO+14.3 ± 0.1?EIGowenlock, Jones, et al., 1961RDSH
C2H6N+11.60?EILoudon and Webb, 1977LLK
C2H6N+11.6 ± 0.1?EIGowenlock, Jones, et al., 1961RDSH
C3H6NO+11.35?EILoudon and Webb, 1977LLK

De-protonation reactions

C3H6NO- + Hydrogen cation = Formamide, N,N-dimethyl-

By formula: C3H6NO- + H+ = C3H7NO

Quantity Value Units Method Reference Comment
Δr1670. ± 17.kJ/molG+TSDePuy, Grabowski, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr1640. ± 17.kJ/molIMRBDePuy, Grabowski, et al., 1985gas phase; B

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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

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, 1990.
NIST MS number 118531

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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.

Dreisbach, 1955
Dreisbach, R.R., Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C., 1955. [all data]

Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J., The critical properties of thermally stable and unstable fluids. I. 1985 results, AIChE Symp. Ser., 1990, 86, 279, 115-21. [all data]

Panneerselvam, Antony, et al., 2009
Panneerselvam, K.; Antony, M.P.; Srinivasan, T.G.; Vasudeva Rao, P.R., Enthalpies of vaporization of N,N-dialkyl monamides at 298.15K, Thermochimica Acta, 2009, 495, 1-2, 1-4, https://doi.org/10.1016/j.tca.2009.05.007 . [all data]

Barone, Castronuovo, et al., 1985
Barone, G.; Castronuovo, G.; Della Gatta, G.; Elia, V.; Iannone, A., Enthalpies of vaporization of seven alkylamides, Fluid Phase Equilibria, 1985, 21, 1-2, 157-164, https://doi.org/10.1016/0378-3812(85)90066-4 . [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Geller, 1961
Geller, B.E., Properties of the dimethylformamide water system. I. Thermochemical properties, Russ. J. Phys. Chem. (Engl. Transl.), 1961, 35, 542-564. [all data]

Muñoz, Montón, et al., 2005
Muñoz, R.; Montón, J.B.; Burguet, M.C.; de la Torre, J., Phase equilibria in the systems isobutyl alcohol+N,N-dimethylformamide, isobutyl acetate+N,N-dimethylformamide and isobutyl alcohol+isobutyl acetate+N,N-dimethylformamide at 101.3kPa, Fluid Phase Equilibria, 2005, 232, 1-2, 62-69, https://doi.org/10.1016/j.fluid.2005.03.014 . [all data]

Blanco, Beltrán, et al., 1997
Blanco, Beatriz; Beltrán, Sagrario; Cabezas, José Luis; Coca, José, Phase Equilibria of Binary Systems Formed by Hydrocarbons from Petroleum Fractions and the Solvents N -Methylpyrrolidone and N , N -Dimethylformamide. 1. Isobaric Vapor-Liquid Equilibria, J. Chem. Eng. Data, 1997, 42, 5, 938-942, https://doi.org/10.1021/je970059u . [all data]

Marzal, Gabaldon, et al., 1995
Marzal, Paula; Gabaldon, Carmen; Seco, Aurora; Monton, Juan B., Isobaric Vapor-Liquid Equilibria of 1-Butanol + N,N-Dimethylformamide and 1-Pentanol + N,N-Dimethylformamide Systems at 50.00 and 100.00 kPa, J. Chem. Eng. Data, 1995, 40, 3, 589-592, https://doi.org/10.1021/je00019a010 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Bludilina, Baev, et al., 1979
Bludilina, V.I.; Baev, A.K.; Matveev, V.K.; Gaidym, I.L.; Shcherbina, E.I., Zh. Fiz. Khim., 1979, 53, 1052. [all data]

Myasinkova, Schmelev, et al., 1974
Myasinkova, L.F.; Schmelev, V.A.; Vaisman, I.L.; Bushinskii, V.I.; Novokhatka, D.A., Zh. Prikl. Khim. (Leningrad), 1974, 47, 2604. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Gopal and Rizvi, 1968
Gopal, R.; Rizvi, S.A., J. Indian Chem. Soc., 1968, 45, 1, 13. [all data]

Gopal and Rizvi, 1968, 2
Gopal, R.; Rizvi, S.A., Vapour Pressures of Some Mono- and Di-Alkyl Substituted Aliphatic Amides at Different Temperatures, J. Indian Chem. Soc., 1968, 45, 1, 13-16. [all data]

Karyakin, Rabinovich, et al., 1978
Karyakin, N.V.; Rabinovich, I.B.; Pal'tseva, N.G., Thermodynamics of the reactions of aromatic diamines with dianhydrides of tetracarboxylic acids, Vysokomol. Soedin, Ser., 1978, A 20(9), 2025-2029. [all data]

Smirnova, Tsvetkova, et al., 2007
Smirnova, N.N.; Tsvetkova, L.Ya.; Bykova, T.A.; Marcus, Yizhak, Thermodynamic properties of N,N-dimethylformamide and N,N-dimethylacetamide, The Journal of Chemical Thermodynamics, 2007, 39, 11, 1508-1513, https://doi.org/10.1016/j.jct.2007.02.009 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Desfrancois, Periquet, et al., 1999
Desfrancois, C.; Periquet, V.; Carles, S.; Schermann, J.P.; Smith, D.M.A.; Adamowicz, L., Experimental and ab initio theoretical studies of electron binding to formamide, N-methylformamide, and N,N-dimethylformamide., J. Chem. Phys., 1999, 110, 9, 4309-4314, https://doi.org/10.1063/1.478353 . [all data]

Baldwin, Loudon, et al., 1977
Baldwin, M.A.; Loudon, A.G.; Webb, K.S.; Cardnell, P.C., Charge location and fragmentation under electron impact. V-The ionization potentials of (methylated) phosphoramides, guanidines, formamides, acetamides, ureas and thioureas, Org. Mass Spectrom., 1977, 12, 279. [all data]

Brundle, Turner, et al., 1969
Brundle, C.R.; Turner, D.W.; Robin, M.B.; Basch, H., Photoelectron spectroscopy of simple amides and carboxylic acids, Chem. Phys. Lett., 1969, 3, 292. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Bieri, Asbrink, et al., 1982
Bieri, G.; Asbrink, L.; Von Niessen, W., 30.4-nm He(II) photoelectron spectra of organic molecules, J. Electron Spectrosc. Relat. Phenom., 1982, 27, 129. [all data]

Henriksen, Isaksson, et al., 1981
Henriksen, L.; Isaksson, R.; Liljefors, T.; Sandstrom, J., Ultraviolet absorption and photoelectron spectra of some cyclic and open-chain mono- and dithiooxamides, Acta Chem. Scand., Ser. B, 1981, 35, 489. [all data]

Loudon and Webb, 1977
Loudon, A.G.; Webb, K.S., The nature of the [C2H6N]+ and [CH4N]+ ions formed by electron impact on methylated formamides, acetamides, ureas, thioureas and hexamethylphosphoramide, Org. Mass Spectrom., 1977, 12, 283. [all data]

Gowenlock, Jones, et al., 1961
Gowenlock, B.G.; Jones, P.P.; Majer, J.R., Bond dissociation energies in some molecules containing alkyl substituted CH3, NH2, and OH, J. Chem. Soc. Faraday Trans., 1961, 57, 23. [all data]

DePuy, Grabowski, et al., 1985
DePuy, C.H.; Grabowski, J.J.; Bierbaum, V.M.; Ingemann, S.; Nibbering, N.M.M., Gas-phase reactions of anions with methyl formate and N,N-dimethylformamide, J. Am. Chem. Soc., 1985, 107, 1093. [all data]


Notes

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