Water

• Formula: H₂O
• Molecular weight: 18.0153
• IUPAC Standard InChI: InChI=1S/H2O/h1H2 Copy

  
• IUPAC Standard InChIKey: XLYOFNOQVPJJNP-UHFFFAOYSA-N Copy
• 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:
  • Deuterium oxide
  • Water-t
  • Water-¹⁸O
  • Water-d
  • Water-t₂
  • Deuterium oxide
• 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:
  • Reaction thermochemistry data (reactions 1301 to 1350)
  • References
  • Notes
• 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 1101 to 1150, reactions 1151 to 1200, reactions 1201 to 1250, reactions 1251 to 1300, 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:
  • Microwave spectra (on physics lab web site)
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
  • Reference simulation: SPC/E Water
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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)

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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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
MS - José A. Martinho Simões

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 1301 to 1350

C₉H₂₄O₉^-2 + 6 = C₉H₂₆O₁₀^-2

By formula: C₉H₂₄O₉^-2 + 6H₂O = C₉H₂₆O₁₀^-2

C₁₀H₂₂O₇^-2 + 4 = C₁₀H₂₄O₈^-2

By formula: C₁₀H₂₂O₇^-2 + 4H₂O = C₁₀H₂₄O₈^-2

C₁₀H₂₄O₈^-2 + 5 = C₁₀H₂₆O₉^-2

By formula: C₁₀H₂₄O₈^-2 + 5H₂O = C₁₀H₂₆O₉^-2

C₁₀H₂₆O₉^-2 + 6 = C₁₀H₂₈O₁₀^-2

By formula: C₁₀H₂₆O₉^-2 + 6H₂O = C₁₀H₂₈O₁₀^-2

C₈H₁₀O₇^-2 + 4 = C₈H₁₂O₈^-2

By formula: C₈H₁₀O₇^-2 + 4H₂O = C₈H₁₂O₈^-2

C₈H₁₂O₈^-2 + 5 = C₈H₁₄O₉^-2

By formula: C₈H₁₂O₈^-2 + 5H₂O = C₈H₁₄O₉^-2

C₈H₁₄O₉^-2 + 6 = C₈H₁₆O₁₀^-2

By formula: C₈H₁₄O₉^-2 + 6H₂O = C₈H₁₆O₁₀^-2

H₁₂O₁₀Se^-2 + 7 = H₁₄O₁₁Se^-2

By formula: H₁₂O₁₀Se^-2 + 7H₂O = H₁₄O₁₁Se^-2

H₁₄O₁₁Se^-2 + 8 = H₁₆O₁₂Se^-2

By formula: H₁₄O₁₁Se^-2 + 8H₂O = H₁₆O₁₂Se^-2

H₁₆O₁₂Se^-2 + 9 = H₁₈O₁₃Se^-2

By formula: H₁₆O₁₂Se^-2 + 9H₂O = H₁₈O₁₃Se^-2

H₁₀O₈S₂^-2 + 6 = H₁₂O₉S₂^-2

By formula: H₁₀O₈S₂^-2 + 6H₂O = H₁₂O₉S₂^-2

H₁₂O₉S₂^-2 + 7 = H₁₄O₁₀S₂^-2

By formula: H₁₂O₉S₂^-2 + 7H₂O = H₁₄O₁₀S₂^-2

H₁₄O₁₀S₂^-2 + 8 = H₁₆O₁₁S₂^-2

By formula: H₁₄O₁₀S₂^-2 + 8H₂O = H₁₆O₁₁S₂^-2

H₁₆O₁₁S₂^-2 + 9 = H₁₈O₁₂S₂^-2

By formula: H₁₆O₁₁S₂^-2 + 9H₂O = H₁₈O₁₂S₂^-2

H₆O₉S₂^-2 + 4 = H₈O₁₀S₂^-2

By formula: H₆O₉S₂^-2 + 4H₂O = H₈O₁₀S₂^-2

H₈O₁₀S₂^-2 + 5 = H₁₀O₁₁S₂^-2

By formula: H₈O₁₀S₂^-2 + 5H₂O = H₁₀O₁₁S₂^-2

H₁₀O₁₁S₂^-2 + 6 = H₁₂O₁₂S₂^-2

By formula: H₁₀O₁₁S₂^-2 + 6H₂O = H₁₂O₁₂S₂^-2

H₁₂O₁₂S₂^-2 + 7 = H₁₄O₁₃S₂^-2

By formula: H₁₂O₁₂S₂^-2 + 7H₂O = H₁₄O₁₃S₂^-2

H₁₄O₁₃S₂^-2 + 8 = H₁₆O₁₄S₂^-2

By formula: H₁₄O₁₃S₂^-2 + 8H₂O = H₁₆O₁₄S₂^-2

C₂H₈O₈S₂^-2 + 3 = C₂H₁₀O₉S₂^-2

By formula: C₂H₈O₈S₂^-2 + 3H₂O = C₂H₁₀O₉S₂^-2

C₂H₁₀O₉S₂^-2 + 4 = C₂H₁₂O₁₀S₂^-2

By formula: C₂H₁₀O₉S₂^-2 + 4H₂O = C₂H₁₂O₁₀S₂^-2

C₂H₁₂O₁₀S₂^-2 + 5 = C₂H₁₄O₁₁S₂^-2

By formula: C₂H₁₂O₁₀S₂^-2 + 5H₂O = C₂H₁₄O₁₁S₂^-2

C₂H₁₄O₁₁S₂^-2 + 6 = C₂H₁₆O₁₂S₂^-2

By formula: C₂H₁₄O₁₁S₂^-2 + 6H₂O = C₂H₁₆O₁₂S₂^-2

H₄O₁₀S₂^-2 + 3 = H₆O₁₁S₂^-2

By formula: H₄O₁₀S₂^-2 + 3H₂O = H₆O₁₁S₂^-2

H₆O₁₁S₂^-2 + 4 = H₈O₁₂S₂^-2

By formula: H₆O₁₁S₂^-2 + 4H₂O = H₈O₁₂S₂^-2

H₈O₁₂S₂^-2 + 5 = H₁₀O₁₃S₂^-2

By formula: H₈O₁₂S₂^-2 + 5H₂O = H₁₀O₁₃S₂^-2

H₁₀O₁₃S₂^-2 + 6 = H₁₂O₁₄S₂^-2

By formula: H₁₀O₁₃S₂^-2 + 6H₂O = H₁₂O₁₄S₂^-2

H₂O₇S₄^-2 + 2 = H₄O₈S₄^-2

By formula: H₂O₇S₄^-2 + 2H₂O = H₄O₈S₄^-2

H₄O₈S₄^-2 + 3 = H₆O₉S₄^-2

By formula: H₄O₈S₄^-2 + 3H₂O = H₆O₉S₄^-2

H₆O₉S₄^-2 + 4 = H₈O₁₀S₄^-2

By formula: H₆O₉S₄^-2 + 4H₂O = H₈O₁₀S₄^-2

H₈O₁₀S₄^-2 + 5 = H₁₀O₁₁S₄^-2

By formula: H₈O₁₀S₄^-2 + 5H₂O = H₁₀O₁₁S₄^-2

C₁₀H₈O₇S₂^-2 + 2 = C₁₀H₁₀O₈S₂^-2

By formula: C₁₀H₈O₇S₂^-2 + 2H₂O = C₁₀H₁₀O₈S₂^-2

C₁₀H₁₀O₈S₂^-2 + 3 = C₁₀H₁₂O₉S₂^-2

By formula: C₁₀H₁₀O₈S₂^-2 + 3H₂O = C₁₀H₁₂O₉S₂^-2

C₁₀H₁₂O₉S₂^-2 + 4 = C₁₀H₁₄O₁₀S₂^-2

By formula: C₁₀H₁₂O₉S₂^-2 + 4H₂O = C₁₀H₁₄O₁₀S₂^-2

C₄H₉O₃^- + 3 = C₄H₁₁O₄^-

By formula: C₄H₉O₃^- + 3H₂O = C₄H₁₁O₄^-

C₄H₁₁O₄^- + 3 = C₄H₁₃O₅^-

By formula: C₄H₁₁O₄^- + 3H₂O = C₄H₁₃O₅^-

CAS Reg. No. 12509-93-2 +  = H₂O₆S^-

By formula: CAS Reg. No. 12509-93-2 + H₂O = H₂O₆S^-

 +  = ( • )

By formula: Ca⁺ + H₂O = (Ca⁺ • H₂O)

 +  =  + 

By formula: C₈H₁₁N + HNO₂ = C₈H₁₀N₂O + H₂O

C₂H₅NaO (cr) +  (l) =  (cr) +  (l)

By formula: C₂H₅NaO (cr) + H₂O (l) = HNaO (cr) + C₂H₆O (l)

C₁₃H₉N^- +  = C₁₃H₁₁NO^-

By formula: C₁₃H₉N^- + H₂O = C₁₃H₁₁NO^-

C₄H₇O₂^- +  = C₄H₉O₃^-

By formula: C₄H₇O₂^- + H₂O = C₄H₉O₃^-

CF₃O^- +  = CH₂F₃O₂^-

By formula: CF₃O^- + H₂O = CH₂F₃O₂^-

 +  =  + 

By formula: C₁₃H₁₂N₂ + H₂O = C₇H₆O + C₆H₈N₂

 +  =  + 

By formula: C₁₁H₁₀N₂O + H₂O = C₆H₈N₂ + C₅H₄O₂

 +  =  + 

By formula: C₁₄H₁₄N₂O + H₂O = C₆H₈N₂ + C₈H₈O₂

 (cr) +  (l) =  (cr) +  (l)

By formula: CH₃NaO (cr) + H₂O (l) = HNaO (cr) + CH₄O (l)

 +  =  + 

By formula: C₃H₈O + HNO₃ = C₃H₇NO₃ + H₂O

 +  =  + 

By formula: H₂O + C₈H₁₀N₂ = C₆H₈N₂ + C₂H₄O

=  + 

By formula: C₁₄H₁₁NO₃ = C₁₄H₉NO₂ + H₂O

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.

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]

Viidanoja, Reiner, et al., 2000
Viidanoja, J.; Reiner, T.; Kiendler, A.; Grimm, F.; Arnold, F., Laboratory investigations of negative ion molecule reactions of propionic, butyric, glyoxylic, pyruvic, and pinonic acids, Int. J. Mass Spectrom., 2000, 194, 1, 53-68, https://doi.org/10.1016/S1387-3806(99)00172-4 . [all data]

Möhler, Reiner, et al., 1992
Möhler, O.; Reiner, T.; Arnold, F., The Formation of SO5(-) by Gas Phase Ion-Molecule Reactions, J. Chem. Phys., 1992, 97, 11, 8233, https://doi.org/10.1063/1.463394 . [all data]

Kochanski and Constantin, 1987
Kochanski, E.; Constantin, E., Theoretical and Experimental Studies of the System Ca+(H2O)n for n=1 to 10, J. Chem. Phys., 1987, 87, 3, 1661, https://doi.org/10.1063/1.453229 . [all data]

Swientoslawski, 1910
Swientoslawski, W., Thermochemische Untersuchungen der organischen Verbindungen. Dritte Mitteilung. Stickstoffhaltige Verbindungen., Z. Phys. Chem., 1910, 72, 49-83. [all data]

Leal, Pires de Matos, et al., 1991
Leal, J.P.; Pires de Matos, A.; Martinho Simões, J.A., J. Organometal. Chem., 1991, 403, 1. [all data]

Kokubo, Ando, et al., 2004
Kokubo, S.; Ando, N.; Koyasu, K.; Mitsui, M.; Nakajima, A., Negative ion photoelectron spectroscopy of acridine molecular anion and its monohydrate, J. Chem. Phys., 2004, 121, 22, 11112-11117, https://doi.org/10.1063/1.1818132 . [all data]

Amelynck, Van Bavel, et al., 2000
Amelynck, C.; Van Bavel, A.M.; Schoon, N.; Arijs, E., Gas phase reactions of CF3O- and CF3O-center dot H2O and their relevance to the detection of stratospheric HCl, Int. J. Mass Spectrom., 2000, 202, 1-3, 207-216, https://doi.org/10.1016/S1387-3806(00)00244-X . [all data]

Landrieu, 1905
Landrieu, M.Ph., Thermochimie. - Thermochimie des hydrazones, Compt. Rend., 1905, 141, 358-361. [all data]

Rubtsov, 1986
Rubtsov, Yu.I., Thermodynamic calculation of equilibrium in nitration of alcohols, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1986, 19-22. [all data]

Karyakin, Bazhan, et al., 1977
Karyakin, N.V.; Bazhan, N.G.; Sapozhnikov, V.N.; Shvetsova, K.G.; Berestneva, G.L.; Lomteva, A.N.; Zimin, Yu.B.; Korshak, V.V., Thermodynamics of synthesis of poly-(p,p'-diphenyleneoxide)pyromellitimide, Polym. Sci. USSR, 1977, 19, 1766-1775. [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  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
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