Formamide, N,N-dimethyl-
- Formula: C3H7NO
- Molecular weight: 73.0938
- IUPAC Standard InChIKey: ZMXDDKWLCZADIW-UHFFFAOYSA-N
- CAS Registry Number: 68-12-2
- 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: Dimethylformamide; DMF; DMF (amide); DMFA; N-Formyldimethylamine; N,N-Dimethylformamide; HCON(CH3)2; Formyldimethylamine; Dimethylforamide; Dimethylformamid; Dimetilformamide; Dwumetyloformamid; N,N-Dimethylmethanamide; NSC-5356; U-4224; Dimethylamid kyseliny mravenci; Dimetylformamidu; NCI-C60913; UN 2265; DMF (dimethylformamide); N,N-Dimethylformaldehyde
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Reaction thermochemistry data
Go To: Top, 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
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: C7H7NO3- + C3H7NO = (C7H7NO3- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 25. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
25. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
25. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6H5NO2- + C3H7NO = (C6H5NO2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 26. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
26. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C7H4N2O2- + C3H7NO = (C7H4N2O2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 16. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
16. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6H4FNO2- + C3H7NO = (C6H4FNO2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 25. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
25. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6H4FNO2- + C3H7NO = (C6H4FNO2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 25. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
25. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6H4FNO2- + C3H7NO = (C6H4FNO2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 23. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
23. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C7H7NO3- + C3H7NO = (C7H7NO3- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 26. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
26. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C7H7NO2- + C3H7NO = (C7H7NO2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 26. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
26. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6H4N2O4- + C3H7NO = (C6H4N2O4- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 10. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
10. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6H4N2O4- + C3H7NO = (C6H4N2O4- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 19. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
19. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C7H7NO2- + C3H7NO = (C7H7NO2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 26. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
26. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6F4O2- + C3H7NO = (C6F4O2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 11. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
11. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C6H4O2- + C3H7NO = (C6H4O2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 18. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
18. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: C7H4N2O2- + C3H7NO = (C7H4N2O2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 20. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
20. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: K+ + C3H7NO = (K+ • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 123. | kJ/mol | CIDT | Klassen, Anderson, et al., 1996 | RCD |
ΔrH° | 130. | kJ/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 110. | J/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: C7H4N2O2- + C3H7NO = (C7H4N2O2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 19. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
19. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
C7H4F3NO2- + = (C7H4F3NO2- • )
By formula: C7H4F3NO2- + C3H7NO = (C7H4F3NO2- • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 20. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
20. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
By formula: Na+ + C3H7NO = (Na+ • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 156. ± 4. | kJ/mol | CIDT | Armentrout and Rodgers, 2000 | See 96KLA/AND?; RCD |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
126. | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
C3H6NO- + =
By formula: C3H6NO- + H+ = C3H7NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1670. ± 17. | kJ/mol | G+TS | DePuy, Grabowski, et al., 1985 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1640. ± 17. | kJ/mol | IMRB | DePuy, Grabowski, et al., 1985 | gas phase; B |
By formula: Li+ + C3H7NO = (Li+ • C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 210. | kJ/mol | ICR | Staley and Beauchamp, 1975 | gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M |
By formula: (K+ • 2C3H7NO) + C3H7NO = (K+ • 3C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 63. | kJ/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 75. | J/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: (K+ • 3C3H7NO) + C3H7NO = (K+ • 4C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54. | kJ/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 100. | J/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: (K+ • C3H7NO) + C3H7NO = (K+ • 2C3H7NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 88. | kJ/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 84. | J/mol*K | HPMS | Sunner, 1984 | gas phase; M |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, 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) | 9.13 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 887.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 856.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Reference | Comment |
---|---|---|
0.01362 | Desfrancois, Periquet, et al., 1999 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.45 ± 0.05 | EI | Baldwin, Loudon, et al., 1977 | LLK |
9.14 | PE | Brundle, Turner, et al., 1969 | RDSH |
9.12 ± 0.02 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.14 | PE | Bieri, Asbrink, et al., 1982 | Vertical value; LBLHLM |
9.25 | PE | Henriksen, Isaksson, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CHO+ | 14.50 | ? | EI | Loudon and Webb, 1977 | LLK |
CHO+ | 14.3 ± 0.1 | ? | EI | Gowenlock, Jones, et al., 1961 | RDSH |
C2H6N+ | 11.60 | ? | EI | Loudon and Webb, 1977 | LLK |
C2H6N+ | 11.6 ± 0.1 | ? | EI | Gowenlock, Jones, et al., 1961 | RDSH |
C3H6NO+ | 11.35 | ? | EI | Loudon and Webb, 1977 | LLK |
De-protonation reactions
C3H6NO- + =
By formula: C3H6NO- + H+ = C3H7NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1670. ± 17. | kJ/mol | G+TS | DePuy, Grabowski, et al., 1985 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1640. ± 17. | kJ/mol | IMRB | DePuy, Grabowski, et al., 1985 | gas phase; B |
References
Go To: Top, Reaction thermochemistry 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.
Chowdhury, Grimsrud, et al., 1987
Chowdhury, S.; Grimsrud, E.P.; Kebarle, P.,
Bonding of Charged Delocalized Anions to Protic and Dipolar Aprotic Solvent Molecules,
J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021
. [all data]
Chowdhury, 1987
Chowdhury, S. Grimsrud,
Bonding of Charge Delocalized Anions to Protic and Dipolar Aprotic Solvents,
J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021
. [all data]
Klassen, Anderson, et al., 1996
Klassen, J.S.; Anderson, S.G.; Blades, A.T.; Kebarle, P.,
Reaction Enthalpies for M+L = M+ + L, Where M+ = Na+ and K+ and L = Acetamide, N-Methylacetamide, N,N-Dimethylacetamide, Glycine, and Glycylglycine, from Determinations of the Collision-Induced Dissociation Thresholds,
J. Phys. Chem., 1996, 100, 33, 14218, https://doi.org/10.1021/jp9608382
. [all data]
Sunner, 1984
Sunner, J. Kebarle,
Ion - Solvent Molecule Interactions in the Gas Phase. The Potassium Ion and Me2SO, DMA, DMF, and Acetone,
J. Am. Chem. Soc., 1984, 106, 21, 6135, https://doi.org/10.1021/ja00333a002
. [all data]
Armentrout and Rodgers, 2000
Armentrout, P.B.; Rodgers, M.T.,
An Absolute Sodium Cation Affinity Scale: Threshold Collision-Induced Dissociation Experiments and ab Initio Theory,
J. Phys. Chem A, 2000, 104, 11, 2238, https://doi.org/10.1021/jp991716n
. [all data]
McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G.,
An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions,
Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7
. [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]
Staley and Beauchamp, 1975
Staley, R.H.; Beauchamp, J.L.,
Intrinsic Acid - Base Properties of Molecules. Binding Energies of Li+ to pi - and n - Donor Bases,
J. Am. Chem. Soc., 1975, 97, 20, 5920, https://doi.org/10.1021/ja00853a050
. [all data]
Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P.,
Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n,
J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013
. [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]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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