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 1251 to 1300)
  • 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 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:
  • 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
• Options:
  • Switch to SI units

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
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 1251 to 1300

CAS Reg. No. 18610-42-9 +  = C₄H₅O₅^-

By formula: CAS Reg. No. 18610-42-9 + H₂O = C₄H₅O₅^-

C₅H₇O₄^-2 +  = C₅H₉O₅^-

By formula: C₅H₇O₄^-2 + H₂O = C₅H₉O₅^-

C₆H₉O₄^-2 +  = C₆H₁₁O₅^-

By formula: C₆H₉O₄^-2 + H₂O = C₆H₁₁O₅^-

CAS Reg. No. 22713-47-9 +  = C₁₀H₈O₇S₂^-2

By formula: CAS Reg. No. 22713-47-9 + H₂O = C₁₀H₈O₇S₂^-2

C₇H₁₁O₄^-2 +  = C₇H₁₃O₅^-

By formula: C₇H₁₁O₄^-2 + H₂O = C₇H₁₃O₅^-

C₈H₁₃O₄^-2 +  = C₈H₁₅O₅^-

By formula: C₈H₁₃O₄^-2 + H₂O = C₈H₁₅O₅^-

CAS Reg. No. 3198-30-9 + 3 = C₈H₁₀O₇^-2

By formula: CAS Reg. No. 3198-30-9 + 3H₂O = C₈H₁₀O₇^-2

CAS Reg. No. 48063-93-0 +  = C₉H₁₇O₅^-

By formula: CAS Reg. No. 48063-93-0 + H₂O = C₉H₁₇O₅^-

CAS Reg. No. 48065-91-4 +  = C₁₀H₁₉O₅^-

By formula: CAS Reg. No. 48065-91-4 + H₂O = C₁₀H₁₉O₅^-

CAS Reg. No. 93278-49-0 +  = C₅H₉O₅^-

By formula: CAS Reg. No. 93278-49-0 + H₂O = C₅H₉O₅^-

 +  = C₅H₁₁NO₆ + 

By formula: C₅H₁₂O₄ + HNO₃ = C₅H₁₁NO₆ + H₂O

 +  =  + 

By formula: C₂H₆O₂ + C₃H₆O = C₅H₁₀O₂ + H₂O

 +  =  + 

By formula: C₂H₆O₂ + HNO₃ = C₂H₅NO₄ + H₂O

 +  =  + 

By formula: C₄H₁₀O₃ + HNO₃ = C₄H₉NO₅ + H₂O

=  + 

By formula: C₈H₁₆O₃ = C₈H₁₄O₂ + H₂O

=  + 

By formula: C₁₀H₂₀O₃ = C₁₀H₁₈O₂ + H₂O

=  + 

By formula: C₆H₁₂O₃ = C₆H₁₀O₂ + H₂O

=  + 

By formula: C₇H₁₄O₃ = C₇H₁₂O₂ + H₂O

 +  =  + 

By formula: C₇H₁₂O₃ + H₂O = C₅H₁₀O₂ + C₂H₄O₂

CAS Reg. No. 1000-88-0 +  = C₃H₅O₅^-

By formula: CAS Reg. No. 1000-88-0 + H₂O = C₃H₅O₅^-

CAS Reg. No. 15251-42-0 + 3 = H₈O₁₀P₂^-2

By formula: CAS Reg. No. 15251-42-0 + 3H₂O = H₈O₁₀P₂^-2

CAS Reg. No. 15251-42-0 + 4 = H₁₀O₁₁P₂^-2

By formula: CAS Reg. No. 15251-42-0 + 4H₂O = H₁₀O₁₁P₂^-2

CAS Reg. No. 15251-42-0 + 5 = H₁₂O₁₂P₂^-2

By formula: CAS Reg. No. 15251-42-0 + 5H₂O = H₁₂O₁₂P₂^-2

CAS Reg. No. 207592-41-4 +  = C₅H₁₀O₉P^-

By formula: CAS Reg. No. 207592-41-4 + H₂O = C₅H₁₀O₉P^-

CAS Reg. No. 73679-94-4 + 2 = C₁₀H₁₇N₅O₁₂P₂^-2

By formula: CAS Reg. No. 73679-94-4 + 2H₂O = C₁₀H₁₇N₅O₁₂P₂^-2

CAS Reg. No. 73679-94-4 + 3 = C₁₀H₁₉N₅O₁₃P₂^-2

By formula: CAS Reg. No. 73679-94-4 + 3H₂O = C₁₀H₁₉N₅O₁₃P₂^-2

CAS Reg. No. 73679-94-4 + 5 = C₁₀H₂₃N₅O₁₅P₂^-2

By formula: CAS Reg. No. 73679-94-4 + 5H₂O = C₁₀H₂₃N₅O₁₅P₂^-2

CAS Reg. No. 73679-94-4 + 6 = C₁₀H₂₅N₅O₁₆P₂^-2

By formula: CAS Reg. No. 73679-94-4 + 6H₂O = C₁₀H₂₅N₅O₁₆P₂^-2

CAS Reg. No. 73679-94-4 + 7 = C₁₀H₂₇N₅O₁₇P₂^-2

By formula: CAS Reg. No. 73679-94-4 + 7H₂O = C₁₀H₂₇N₅O₁₇P₂^-2

=  + 

By formula: C₄H₈O₃ = H₂O + C₄H₆O₂

 +  =  + 

By formula: C₅H₁₂O₂ + C₃H₆O = C₈H₁₆O₂ + H₂O

 +  =  + 

By formula: C₃H₈O₂ + C₃H₆O = C₆H₁₂O₂ + H₂O

 +  =  + 

By formula: C₃H₆O + C₃H₇ClO₂ = C₆H₁₁ClO₂ + H₂O

 +  =  + 

By formula: C₃H₈O₂ + C₃H₆O = C₆H₁₂O₂ + H₂O

H₁₈O₁₂S₂^-2 + 10 = H₂₀O₁₃S₂^-2

By formula: H₁₈O₁₂S₂^-2 + 10H₂O = H₂₀O₁₃S₂^-2

CAS Reg. No. 47287-36-5 +  = C₁₀H₁₆N₅O₈P^-

By formula: CAS Reg. No. 47287-36-5 + H₂O = C₁₀H₁₆N₅O₈P^-

CAS Reg. No. 73679-94-4 +  = C₁₀H₁₅N₅O₁₁P₂^-2

By formula: CAS Reg. No. 73679-94-4 + H₂O = C₁₀H₁₅N₅O₁₁P₂^-2

CAS Reg. No. 920-52-5 +  = C₂H₃O₅^-

By formula: CAS Reg. No. 920-52-5 + H₂O = C₂H₃O₅^-

=  + 

By formula: C₁₂H₂₄O₃ = H₂O + C₁₂H₂₂O₂

CH₃LiO (cr) +  (l) = HLiO (cr) +  (l)

By formula: CH₃LiO (cr) + H₂O (l) = HLiO (cr) + CH₄O (l)

C₂H₅LiO (cr) +  (l) = HLiO (cr) +  (l)

By formula: C₂H₅LiO (cr) + H₂O (l) = HLiO (cr) + C₂H₆O (l)

C₆H₅NaO (cr) +  (l) =  (cr) +  (cr)

By formula: C₆H₅NaO (cr) + H₂O (l) = C₆H₆O (cr) + HNaO (cr)

C₃H₅O₅^- + 2 = C₃H₇O₆^-

By formula: C₃H₅O₅^- + 2H₂O = C₃H₇O₆^-

C₄H₇O₅^- + 2 = C₄H₉O₆^-

By formula: C₄H₇O₅^- + 2H₂O = C₄H₉O₆^-

C₅H₉O₅^- + 2 = C₅H₁₁O₆^-

By formula: C₅H₉O₅^- + 2H₂O = C₅H₁₁O₆^-

C₅H₉O₅^- + 2 = C₅H₁₁O₆^-

By formula: C₅H₉O₅^- + 2H₂O = C₅H₁₁O₆^-

C₆H₁₁O₅^- + 2 = C₆H₁₃O₆^-

By formula: C₆H₁₁O₅^- + 2H₂O = C₆H₁₃O₆^-

C₄H₅O₅^- + 2 = C₄H₇O₆^-

By formula: C₄H₅O₅^- + 2H₂O = C₄H₇O₆^-

C₉H₂₀O₇^-2 + 4 = C₉H₂₂O₈^-2

By formula: C₉H₂₀O₇^-2 + 4H₂O = C₉H₂₂O₈^-2

C₉H₂₂O₈^-2 + 5 = C₉H₂₄O₉^-2

By formula: C₉H₂₂O₈^-2 + 5H₂O = C₉H₂₄O₉^-2

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]

Tsvetkov, Sopin, et al., 1986
Tsvetkov, V.G.; Sopin, V.P.; Tsvetkova, L.Ya.; Marchenko, G.N., Enthalpy of reaction of nitric acid with some organic compounds, J. Gen. Chem. USSR, 1986, 56, 471-474. [all data]

Anteunis and Rommelaere, 1970
Anteunis, M.; Rommelaere, Y., NMR experiments on acetals. XXIX. The ease of acetonide formation of some glycols, Bull. Soc. Chim. Belg., 1970, 79, 523-530. [all data]

Wiberg and Waldron, 1991
Wiberg, K.B.; Waldron, R.F., Lactones. 2. Enthalpies of hydrolysis, reduction, and formation of the C₄-C₁₃ monocyclic lactones. strain energies and conformations, J. Am. Chem. Soc., 1991, 113, 7697-7705. [all data]

Grigor'ev, Katsman, et al., 1981
Grigor'ev, A.A.; Katsman, E.A.; Bobrov, A.F.; Dan'ko, T.N.; Pinkhasik, E.V., Preparation of γ-acetopropyl alcohol, Sov. Chem. Ind. (Engl. Transl.), 1981, 967-972. [all data]

Blades, Ho, et al., 1996
Blades, A.T.; Ho, Y.; Kebarle, P., Free Energies of Hydration in the Gas Phase of Some Phosphate Singly and Doubly Charged Anions: orthophosphate, diphosphate, Ribose-5-phosphate, Adenosine-5'-phosphate and Adenosine-5'-Dipho, J. Phys. Chem., 1996, 100, 6, 2443, https://doi.org/10.1021/jp952032s . [all data]

Leal and Martinho Simões, 1993
Leal, J.P.; Martinho Simões, J.A., J. Organometal. Chem., 1993, 460, 131. [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]

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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