N,N-Dimethylacetamide
- Formula: C4H9NO
- Molecular weight: 87.1204
- IUPAC Standard InChIKey: FXHOOIRPVKKKFG-UHFFFAOYSA-N
- CAS Registry Number: 127-19-5
- 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: Acetamide, N,N-dimethyl-; Acetdimethylamide; Dimethylacetamide; Dimethylamide acetate; DMA; CH3CON(CH3)2; Acetic acid dimethylamide; Acetyl dimethylamine; CBC 510337; DMAc; Hallucinogen; N,N-Dimethylethanamide; NSC 3138; SK 7176; U-5954; Dimethylamid kyseliny octove
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -71.72 | kcal/mol | Cm | Guthrie, 1974 | Heat of hydrolysis; ALS |
ΔfH°liquid | -71.28 | kcal/mol | Ccb | Baroody and Carpenter, 1972 | ALS |
ΔfH°liquid | -66.52 ± 0.36 | kcal/mol | Ccb | Vasil'eva, Zhil'tsova, et al., 1972 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -617.11 ± 0.36 | kcal/mol | Ccb | Vasil'eva, Zhil'tsova, et al., 1972 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
42.59 | 298.15 | De Visser, Heuvelsland, et al., 1978 | DH |
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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 438.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12. ± 2. | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.8 | 386. | A | Stephenson and Malanowski, 1987 | Based on data from 371. to 423. K.; AC |
10.8 | 318. | A | Stephenson and Malanowski, 1987 | Based on data from 303. to 363. K. See also Gopal and Rizvi, 1968.; AC |
16.2 | 312. | N/A | Myasinkova, Schmelev, et al., 1974 | Based on data from 297. to 438. K. See also Boublik, Fried, et al., 1984.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
303. to 363. | 6.08880 | 2725.96 | 28.209 | Gopal and Rizvi, 1968, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.44 | 254.2 | Smirnova, Tsvetkova, et al., 2007 | AC |
2.0 | 253.2 | Lisicki and Jamróz, 2000 | AC |
2.490 | 251.4 | Ahlers, Lohmann, et al., 1999 | AC |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
RCD - Robert C. Dunbar
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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: C3H10N+ + C4H9NO = (C3H10N+ • C4H9NO)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.2 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase; M |
ΔrH° | 27.2 | kcal/mol | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.1 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase; M |
ΔrS° | 24.1 | cal/mol*K | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
C4H8NO- + =
By formula: C4H8NO- + H+ = C4H9NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 374.8 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 368.1 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C4H10NO+ + C4H9NO = (C4H10NO+ • C4H9NO)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.3 | kcal/mol | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.4 | cal/mol*K | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
By formula: K+ + C4H9NO = (K+ • C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.0 | kcal/mol | CIDT | Klassen, Anderson, et al., 1996 | RCD |
ΔrH° | 31. | kcal/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23. | cal/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: (K+ • 2C4H9NO) + C4H9NO = (K+ • 3C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18. | kcal/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24. | cal/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: (K+ • C4H9NO) + C4H9NO = (K+ • 2C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24. | kcal/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24. | cal/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: C4H9NO = C4H9NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.1 ± 0.7 | kcal/mol | Eqk | Beak, Lee, et al., 1978 | liquid phase; ALS |
By formula: Na+ + C4H9NO = (Na+ • C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37.5 | kcal/mol | CIDT | Klassen, Anderson, et al., 1996 | RCD |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 217.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 209.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.20 ± 0.05 | EI | Baldwin, Loudon, et al., 1977 | LLK |
8.81 | CTS | Slifkin and Allison, 1967 | RDSH |
8.81 ± 0.03 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.43 | PE | Sweigart and Turner, 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H3O+ | 12.55 | ? | EI | Loudon and Webb, 1977 | LLK |
C2H3O+ | 11.4 ± 0.1 | ? | EI | Gowenlock, Jones, et al., 1961 | RDSH |
C2H6N+ | 12.15 | ? | EI | Loudon and Webb, 1977 | LLK |
C2H6N+ | 12.4 ± 0.1 | ? | EI | Gowenlock, Jones, et al., 1961 | RDSH |
C3H6NO+ | 11.60 | ? | EI | Loudon and Webb, 1977 | LLK |
De-protonation reactions
C4H8NO- + =
By formula: C4H8NO- + H+ = C4H9NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 374.8 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 368.1 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Ion clustering data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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:
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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: C3H10N+ + C4H9NO = (C3H10N+ • C4H9NO)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.2 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase; M |
ΔrH° | 27.2 | kcal/mol | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.1 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase; M |
ΔrS° | 24.1 | cal/mol*K | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
By formula: C4H10NO+ + C4H9NO = (C4H10NO+ • C4H9NO)
Bond type: Hydrogen bonds of the type OH-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.3 | kcal/mol | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.4 | cal/mol*K | PHPMS | Meot-Ner, 1984, 2 | gas phase; M |
By formula: K+ + C4H9NO = (K+ • C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.0 | kcal/mol | CIDT | Klassen, Anderson, et al., 1996 | RCD |
ΔrH° | 31. | kcal/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23. | cal/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: (K+ • C4H9NO) + C4H9NO = (K+ • 2C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24. | kcal/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24. | cal/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: (K+ • 2C4H9NO) + C4H9NO = (K+ • 3C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18. | kcal/mol | HPMS | Sunner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24. | cal/mol*K | HPMS | Sunner, 1984 | gas phase; M |
By formula: Na+ + C4H9NO = (Na+ • C4H9NO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37.5 | kcal/mol | CIDT | Klassen, Anderson, et al., 1996 | RCD |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3600-1330 CM-1, 10% IN CS2 FOR 1330-600 CM-1); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Guthrie, 1974
Guthrie, J.P.,
Hydration of carboxamides. Evaluation of the free energy change for addition of water to acetamide and formamide derivatives,
J. Am. Chem. Soc., 1974, 96, 3608-3615. [all data]
Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A.,
Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [all data]
Vasil'eva, Zhil'tsova, et al., 1972
Vasil'eva, T.F.; Zhil'tsova, E.N.; Vvedenskii, A.A.,
Enthalpies of combustion of NN-dimethylformamide and NN-dimethylacetamide,
Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 315. [all data]
De Visser, Heuvelsland, et al., 1978
De Visser, C.; Heuvelsland, W.J.M.; Dunn, L.A.; Somsen, G.,
Some properties of binary aqueous liquid mixtures, J. Chem. Soc.,
Faraday Trans.1, 1978, 74, 1159-1169. [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]
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]
Gopal and Rizvi, 1968
Gopal, R.; Rizvi, S.A.,
J. Indian Chem. Soc., 1968, 45, 1, 13. [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, 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]
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]
Lisicki and Jamróz, 2000
Lisicki, Zygmunt; Jamróz, Malgorzata E.,
(Solid + liquid) equilibria in (polynuclear aromatic+ tertiary amide) systems,
The Journal of Chemical Thermodynamics, 2000, 32, 10, 1335-1353, https://doi.org/10.1006/jcht.2000.0685
. [all data]
Ahlers, Lohmann, et al., 1999
Ahlers, Jens; Lohmann, Jürgen; Gmehling, Jürgen,
Binary Solid-Liquid Equilibria of Organic Systems Containing Different Amides and Sulfolane,
J. Chem. Eng. Data, 1999, 44, 4, 727-730, https://doi.org/10.1021/je9802975
. [all data]
Meot-Ner, 1984
Meot-Ner, (Mautner)M.,
The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects,
J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015
. [all data]
Meot-Ner, 1984, 2
Meot-Ner, (Mautner),
The Ionic Hydrogen Bond. 4. Intramolecular and Multiple Bonds. Proton Affinities, Hydration and Complexes of Amides and Amino Acid Derivatives,
J. Am. Chem. Soc., 1984, 106, 2, 278, https://doi.org/10.1021/ja00314a003
. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [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]
Beak, Lee, et al., 1978
Beak, P.; Lee, J.-K.; Zeigler, J.M.,
Equilibration studies: amide-imidate and thioamide-thioimidate functions,
J. Org. Chem., 1978, 43, 1536-1538. [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]
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]
Slifkin and Allison, 1967
Slifkin, M.A.; Allison, A.C.,
Measurement of ionization potentials from contact charge transfer spectra,
Nature, 1967, 215, 949. [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]
Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W.,
Lone pair orbitals and their interactions studied by photoelectron spectroscopy. I. Carboxylic acids and their derivatives,
J. Am. Chem. Soc., 1972, 94, 5592. [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, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization 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.
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