Water
- Formula: H2O
- Molecular weight: 18.0153
- IUPAC Standard InChIKey: XLYOFNOQVPJJNP-UHFFFAOYSA-N
- CAS Registry Number: 7732-18-5
- 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. - Isotopologues:
- Other names: Water vapor; Distilled water; Ice; H2O; Dihydrogen oxide; steam; Tritiotope
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Gas phase thermochemistry data
- Condensed phase thermochemistry data
- Phase change data
- Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 100, reactions 101 to 150, reactions 151 to 200, reactions 201 to 250, reactions 251 to 300, reactions 301 to 350, reactions 351 to 400, reactions 401 to 450, reactions 451 to 500, reactions 501 to 550, reactions 551 to 600, reactions 601 to 650, reactions 651 to 700, reactions 701 to 750, reactions 751 to 800, reactions 801 to 850, reactions 851 to 900, reactions 901 to 950, reactions 951 to 1000, reactions 1001 to 1050, reactions 1051 to 1100, reactions 1151 to 1200, reactions 1201 to 1250, reactions 1251 to 1300, reactions 1301 to 1350, reactions 1351 to 1360
- Gas phase ion energetics data
- Ion clustering data
- IR Spectrum
- Mass spectrum (electron ionization)
- Vibrational and/or electronic energy levels
- Gas Chromatography
- Fluid Properties
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
- NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
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.
Reaction thermochemistry data
Go To: Top, 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
MS - José A. Martinho Simões
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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.
Reactions 1101 to 1150
By formula: C3H8O2 + H2O = CH2O + 2CH4O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 77.19 ± 0.50 | kJ/mol | Cm | Birley and Skinner, 1970 | liquid phase; Heat of hydrolysis; ALS |
By formula: C12H22O11 + H2O = C6H12O6 + C6H12O6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -14.93 ± 0.16 | kJ/mol | Eqk | Goldberg, Tewari, et al., 1989 | liquid phase; solvent: Aqueous; ALS |
By formula: C6H13NO + C2H4O2 = C8H15NO2 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 40.5 ± 0.50 | kJ/mol | Cm | Wadso, 1965 | liquid phase; Heat of hydrolysis; ALS |
By formula: C5H10OS + H2O = C3H8S + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.9 ± 0.3 | kJ/mol | Cm | Wadso, 1957 | liquid phase; Heat of hydrolysis; ALS |
C20H32O2Zr (solution) + (solution) = C26H31F5O2Zr (solution) +
(solution)
By formula: C20H32O2Zr (solution) + C6HF5O (solution) = C26H31F5O2Zr (solution) + H2O (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -33.5 ± 1.3 | kJ/mol | RSC | Schock and Marks, 1988 | solvent: Toluene; MS |
C26H31F5O2Zr (solution) + (solution) = C32H30F10O2Zr (solution) +
(solution)
By formula: C26H31F5O2Zr (solution) + C6HF5O (solution) = C32H30F10O2Zr (solution) + H2O (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -19.2 ± 1.7 | kJ/mol | RSC | Schock and Marks, 1988 | solvent: Toluene; MS |
By formula: C6H8O3 + H2O = C6H10O4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -57.03 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1942 | liquid phase; Heat of hydrolysis at 323 K; ALS |
+
= C10H11NO2 +
By formula: C8H9NO + C2H4O2 = C10H11NO2 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 45.5 ± 0.3 | kJ/mol | Cm | Wadso, 1965 | solid phase; Heat of hydrolysis; ALS |
By formula: C9H10O2 + H2O = C7H8O + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -18.4 ± 0.59 | kJ/mol | Cm | Sunner, 1957 | liquid phase; Heat of hydrolysis; ALS |
By formula: H2O + C6H12OS = C4H10S + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -4.6 ± 0.3 | kJ/mol | Cm | Wadso, 1957 | liquid phase; Heat of hydrolysis; ALS |
By formula: C3H5I + H2O = HI + C3H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -8.79 | kJ/mol | Cm | Gellner and Skinner, 1949 | liquid phase; Heat of hydrolysis; ALS |
By formula: C7H7I + H2O = HI + C7H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -12.6 | kJ/mol | Cm | Gellner and Skinner, 1949 | liquid phase; Heat of hydrolysis; ALS |
By formula: C3H4N4O + H2O = CH2N4 + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -43.1 ± 0.4 | kJ/mol | Cm | Wadso, 1960 | solid phase; Heat of hydrolysis; ALS |
By formula: C9H8O3S + H2O = C7H6O2S + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -11.5 ± 0.4 | kJ/mol | Cm | Nelander, 1964 | solid phase; Heat of hydrolysis; ALS |
By formula: (O2- • 4H2O) + H2O = (O2- • 5H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 14. ± 8.4 | kJ/mol | TDAs | Kebarle, Arshadi, et al., 1968 | gas phase; B |
By formula: (Mg+2 • 12H2O) + H2O = (Mg+2 • 13H2O)
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
25. | 293. | ES/HPMS | Blades, Klassen, et al., 1995 | gas phase; M |
By formula: (Mg+2 • 13H2O) + H2O = (Mg+2 • 14H2O)
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
23. | 293. | ES/HPMS | Blades, Klassen, et al., 1995 | gas phase; M |
By formula: (Mg+2 • 14H2O) + H2O = (Mg+2 • 15H2O)
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
22. | 293. | ES/HPMS | Blades, Klassen, et al., 1995 | gas phase; M |
By formula: (Mg+2 • 15H2O) + H2O = (Mg+2 • 16H2O)
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
21. | 293. | ES/HPMS | Blades, Klassen, et al., 1995 | gas phase; M |
By formula: C3H4Cl2O + H2O = C3H6Cl2O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 28.5 ± 0.5 | kJ/mol | Eqk | Bell and Sorensen, 1972 | liquid phase; solvent: Dioxane; UV; ALS |
By formula: C7H16O2 + H2O = 2C2H6O + C3H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.2 ± 0.2 | kJ/mol | Cm | Stern and Dorer, 1962 | liquid phase; Heat of hydrolysis; ALS |
By formula: C6H8O3 + H2O = C6H10O4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -29.5 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1942 | liquid phase; Heat of hydrolysis at 323 K; ALS |
By formula: C8H12O3 + H2O = C8H14O4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -35.3 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1942 | liquid phase; Heat of hydrolysis at 323 K; ALS |
By formula: C10H18O3 + H2O = 2C5H10O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -63.26 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1942 | liquid phase; Heat of hydrolysis at 303 K; ALS |
By formula: C8H9NO + H2O = C6H7N + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -42.0 ± 0.3 | kJ/mol | Cm | Wadso, 1965 | solid phase; Heat of hydrolysis; ALS |
By formula: C2H4O2 + C3H6O = C5H8O2 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 60.2 ± 0.3 | kJ/mol | Cm | Sunner, 1957 | liquid phase; Heat of hydrolysis; ALS |
By formula: C4H8OS + H2O = C2H4O2 + C2H6S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -4.0 ± 0.3 | kJ/mol | Cm | Wadso, 1957 | liquid phase; Heat of hydrolysis; ALS |
By formula: H2O + C5H10OS = C2H4O2 + C3H8S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -5.8 ± 0.3 | kJ/mol | Cm | Wadso, 1957 | liquid phase; Heat of hydrolysis; ALS |
By formula: H2O + C6H12OS = C2H4O2 + C4H10S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -12.6 ± 0.3 | kJ/mol | Cm | Wadso, 1957 | liquid phase; Heat of hydrolysis; ALS |
By formula: C3H5Br + H2O = HBr + C3H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -15. | kJ/mol | Cm | Gellner and Skinner, 1949 | liquid phase; Heat of hydrolysis; ALS |
By formula: C7H7Br + H2O = HBr + C7H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -7.9 | kJ/mol | Cm | Gellner and Skinner, 1949 | liquid phase; Heat of hydrloysis; ALS |
By formula: C4H5N3O + H2O = C2H3N3 + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -30.5 ± 0.3 | kJ/mol | Cm | Wadso, 1960 | solid phase; Heat of hydrolysis; ALS |
By formula: C9H8O3S + H2O = C7H6O2S + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -24.5 ± 0.3 | kJ/mol | Cm | Nelander, 1964 | solid phase; Heat of hydrolysis; ALS |
By formula: C10H12O5 + H2O = C7H6O5 + C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -15.4 ± 6.6 | kJ/mol | Eqk | Tewari, Schantz, et al., 1996 | liquid phase; solvent: Toluene; ALS |
By formula: C8H8O2 + H2O = C6H6O + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -28.7 ± 0.2 | kJ/mol | Cm | Wadso, 1960, 2 | liquid phase; Heat of hydrolysis; ALS |
By formula: H2O + C8H8OS = C6H6S + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -12.4 ± 0.3 | kJ/mol | Cm | Wadso, 1960, 2 | liquid phase; Heat of hydrolysis; ALS |
By formula: C7H5BrO + H2O = HBr + C7H6O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -113.1 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | liquid phase; Heat of hydrolysis; ALS |
By formula: C7H5IO + H2O = HI + C7H6O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -102.4 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | liquid phase; Heat of hydrolysis; ALS |
By formula: C5H4O3 + H2O = C5H6O4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -34.0 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1942 | liquid phase; Heat of hydrolysis at 303 K; ALS |
By formula: H2O + C8H14O3 = 2C4H8O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -61.04 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1942 | liquid phase; Heat of hydrolysis at 303 K; ALS |
By formula: C9H8O4 + H2O = C2H4O2 + C7H6O3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -20.6 ± 0.3 | kJ/mol | Cm | Nelander, 1964 | solid phase; Heat of hydrolysis; ALS |
(C3H10N+ • •
) +
= (C3H10N+ • 2
•
)
By formula: (C3H10N+ • C3H9N • H2O) + C3H9N = (C3H10N+ • 2C3H9N • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.0 | kJ/mol | PHPMS | El-Shall, Daly, et al., 1992 | gas phase; M |
By formula: C4H8O2 + H2O = C2H6O + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.7 ± 0.2 | kJ/mol | Cm | Wadso, 1958 | liquid phase; Heat of hydrolysis; ALS |
By formula: C6H12O2 + H2O = C2H4O2 + C4H10O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.3 ± 0.2 | kJ/mol | Cm | Wadso, 1958 | liquid phase; Heat of hydrolysis; ALS |
By formula: C5H10O2 + H2O = C2H4O2 + C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.3 ± 0.2 | kJ/mol | Cm | Wadso, 1958 | liquid phase; Heat of Hydrolysis; ALS |
By formula: C7H16O = C7H14 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 33.4 ± 0.2 | kJ/mol | Cm | Wiberg, Wasserman, et al., 1984 | liquid phase; Heat of hydration; ALS |
By formula: C7H16O = C7H14 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 33.2 ± 0.2 | kJ/mol | Cm | Wiberg, Wasserman, et al., 1984 | liquid phase; Heat of hydration; ALS |
By formula: C7H16O = C7H14 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.8 ± 0.2 | kJ/mol | Cm | Wiberg, Wasserman, et al., 1984 | liquid phase; Heat of hydration; ALS |
By formula: C9H8O4 + H2O = C2H4O2 + C7H6O3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -27.2 ± 0.3 | kJ/mol | Cm | Nelander, 1964 | solid phase; Heat of hydrolysis; ALS |
(cr) + 2(
• 5.55
) (solution) =
(cr) + 2
(g)
By formula: C12H16Ti (cr) + 2(HCl • 5.55H2O) (solution) = C10H10Cl2Ti (cr) + 2CH4 (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -192.0 ± 5.9 | kJ/mol | RSC | Calhorda, Dias, et al., 1987 | MS |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Birley and Skinner, 1970
Birley, G.I.; Skinner, H.A.,
Enthalpies of hydrolysis of dimethoxymethane and 1,1-dimethoxyethane,
Trans. Faraday Soc., 1970, 66, 791-793. [all data]
Goldberg, Tewari, et al., 1989
Goldberg, R.N.; Tewari, Y.B.; Ahluwalia, J.C.,
Thermodynamics of the hydrolysis of sucrose,
J. Biol. Chem., 1989, 264, 9901-99. [all data]
Wadso, 1965
Wadso, I.,
Thermochemical properties of diacetimide, N-butyldiacetimide and N-phenyldiacetimide,
Acta Chem. Scand., 1965, 19, 1079-1087. [all data]
Wadso, 1957
Wadso, I.,
The heats of hydrolysis of some alkyl thiolesters,
Acta Chem. Scand., 1957, 11, 1745-1751. [all data]
Schock and Marks, 1988
Schock, L.E.; Marks, T.J.,
J. Am. Chem. Soc., 1988, 110, 7701. [all data]
Conn, Kistiakowsky, et al., 1942
Conn, J.B.; Kistiakowsky, G.B.; Roberts, R.M.; Smith, E.A.,
Heats of organic reactions. XIII. Heats of hydrolysis of some acid anhydrides,
J. Am. Chem. Soc., 1942, 64, 1747-17. [all data]
Sunner, 1957
Sunner, S.,
The heat of hydrolysis of i-propenyl acetate and m-cresyl acetate and the heat of formation of acetone,
Acta Chem. Scand., 1957, 11, 1757-1760. [all data]
Gellner and Skinner, 1949
Gellner, O.H.; Skinner, H.A.,
Dissociation energies of carbon-halogen bonds. The bond strengths allyl-X and benzyl-X,
J. Chem. Soc., 1949, 1145-1148. [all data]
Wadso, 1960
Wadso, I.,
Heats of hydrolysis of N-acetylated imidazole, 1,2,4-triazole and tetrazole,
Acta Chem. Scand., 1960, 14, 903-908. [all data]
Nelander, 1964
Nelander, L.,
The heats of hydrolysis of aspirin, thioaspirin, and their p-analogues,
Acta Chem. Scand., 1964, 18, 973-984. [all data]
Kebarle, Arshadi, et al., 1968
Kebarle, P.; Arshadi, M.; Scarborough, J.,
Hydration of Negative Ions in the Gas Phase,
J. Chem. Phys., 1968, 49, 2, 817, https://doi.org/10.1063/1.1670145
. [all data]
Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P.,
Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I,
J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019
. [all data]
Bell and Sorensen, 1972
Bell, R.P.; Sorensen, P.E.,
Thermodynamic and activation parameters in the reversible hydration of 1,3-dichloroacetone in dioxane,
J. Chem. Soc. Perkin Trans. 2, 1972, 1740-1743. [all data]
Stern and Dorer, 1962
Stern, J.H.; Dorer, F.H.,
Standard heats of formation of 2,2-Dimethoxypropane (1), and 2,2 -Diethoxypropane (1). Group additivity theory and calculated heats of formation and five ketals,
J. Phys. Chem., 1962, 66, 97-99. [all data]
Tewari, Schantz, et al., 1996
Tewari, Y.B.; Schantz, M.M.; Rekharsky, M.V.; Goldberg, R.N.,
Thermodynamics of the hydrolysis of 3,4,5-trihydroxybenzoic acid propyl ester (n-propylgallate) to 3,4,5-trihydroxybenzoic acid (gallic acid) and propan-1-ol in aqueous media and in toluene,
J. Chem. Thermodyn., 1996, 28, 171-185. [all data]
Wadso, 1960, 2
Wadso, I.,
Heats of hydrolysis of phenyl acetate and phenyl thiolacetate,
Acta Chem. Scand., 1960, 14, 561-565. [all data]
Carson, Pritchard, et al., 1950
Carson, A.S.; Pritchard, H.O.; Skinner, H.A.,
The heats of hydrolysis of the benzoyl halides,
J. Chem. Soc., 1950, 656-659. [all data]
El-Shall, Daly, et al., 1992
El-Shall, M.S.; Daly, G.M.; Gao, J.; Meot-Ner (Mautner), M.; Sieck, L.W.,
How Sensitive are Cluster Compositions to Energetics? A Joint Beam Expansion/ Thermochemical Study of Water - Methanol - Trimethylamine Clusters,
J. Phys. Chem., 1992, 96, 2, 507, https://doi.org/10.1021/j100181a002
. [all data]
Wadso, 1958
Wadso, I.,
The heats of hydrolysis of some alkyl acetates,
Acta Chem. Scand., 1958, 12, 630-633. [all data]
Wiberg, Wasserman, et al., 1984
Wiberg, K.B.; Wasserman, D.J.; Martin, E.,
Enthalpies of hydration of alkenes. 2. The n-heptenes and n-pentenes,
J. Phys. Chem., 1984, 88, 3684-3688. [all data]
Calhorda, Dias, et al., 1987
Calhorda, M.J.; Dias, A.R.; Minas da Piedade M.E.; Salema, M.S.; Martinho Simões J.A.,
Organometallics, 1987, 6, 734. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction 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.
- Customer support for NIST Standard Reference Data products.