Silver ion (1+)

• Formula: Ag⁺
• Molecular weight: 107.8677
• IUPAC Standard InChI: InChI=1S/Ag/q+1 Copy

  
• IUPAC Standard InChIKey: FOIXSVOLVBLSDH-UHFFFAOYSA-N Copy
• CAS Registry Number: 14701-21-4
• Chemical structure:
  This structure is also available as a 2d Mol file
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Options:
  • Switch to calorie-based units

Reaction thermochemistry data

Go To: Top, Ion clustering 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:
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: Ag⁺ + C₂H₄ = (Ag⁺ • C₂H₄)

Free energy of reaction

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2H₃N) + H₃N = (Ag⁺ • 3H₃N)

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2H₂O) + H₂O = (Ag⁺ • 3H₂O)

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3H₃N) + H₃N = (Ag⁺ • 4H₃N)

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3H₂O) + H₂O = (Ag⁺ • 4H₂O)

( • 4) +  = ( • 5)

By formula: (Ag⁺ • 4H₃N) + H₃N = (Ag⁺ • 5H₃N)

( • 4) +  = ( • 5)

By formula: (Ag⁺ • 4H₂O) + H₂O = (Ag⁺ • 5H₂O)

( • 5) +  = ( • 6)

By formula: (Ag⁺ • 5H₂O) + H₂O = (Ag⁺ • 6H₂O)

( • ) +  = ( • 2)

By formula: (Ag⁺ • H₃N) + H₃N = (Ag⁺ • 2H₃N)

( • ) +  = ( • 2)

By formula: (Ag⁺ • H₂O) + H₂O = (Ag⁺ • 2H₂O)

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2C₅H₅N) + C₅H₅N = (Ag⁺ • 3C₅H₅N)

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3C₅H₅N) + C₅H₅N = (Ag⁺ • 4C₅H₅N)

( • ) +  = ( • 2)

By formula: (Ag⁺ • C₂H₄) + C₂H₄ = (Ag⁺ • 2C₂H₄)

 +  = ( • )

By formula: Ag⁺ + H₂O = (Ag⁺ • H₂O)

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2CO) + CO = (Ag⁺ • 3CO)

Enthalpy of reaction

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3CO) + CO = (Ag⁺ • 4CO)

Enthalpy of reaction

( • ) +  = ( • 2)

By formula: (Ag⁺ • CO) + CO = (Ag⁺ • 2CO)

Enthalpy of reaction

 +  = ( • )

By formula: Ag⁺ + C₆H₆ = (Ag⁺ • C₆H₆)

 +  = ( • )

By formula: Ag⁺ + CO = (Ag⁺ • CO)

Enthalpy of reaction

( • ) +  = ( • 2)

By formula: (Ag⁺ • C₆H₆) + C₆H₆ = (Ag⁺ • 2C₆H₆)

 +  = ( • )

By formula: Ag⁺ + CS = (Ag⁺ • CS)

( • ) +  = ( • 2)

By formula: (Ag⁺ • C₂H₃N) + C₂H₃N = (Ag⁺ • 2C₂H₃N)

 +  = ( • )

By formula: Ag⁺ + C₅H₁₀ = (Ag⁺ • C₅H₁₀)

 +  = ( • )

By formula: Ag⁺ + C₃H₆O = (Ag⁺ • C₃H₆O)

 +  = ( • )

By formula: Ag⁺ + C₂H₄O = (Ag⁺ • C₂H₄O)

 +  = ( • )

By formula: Ag⁺ + C₅H₈ = (Ag⁺ • C₅H₈)

 +  = ( • )

By formula: Ag⁺ + C₂H₃N = (Ag⁺ • C₂H₃N)

Ion clustering 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 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: Ag⁺ + CO = (Ag⁺ • CO)

Enthalpy of reaction

( • ) +  = ( • 2)

By formula: (Ag⁺ • CO) + CO = (Ag⁺ • 2CO)

Enthalpy of reaction

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2CO) + CO = (Ag⁺ • 3CO)

Enthalpy of reaction

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3CO) + CO = (Ag⁺ • 4CO)

Enthalpy of reaction

 +  = ( • )

By formula: Ag⁺ + CS = (Ag⁺ • CS)

 +  = ( • )

By formula: Ag⁺ + C₂H₃N = (Ag⁺ • C₂H₃N)

( • ) +  = ( • 2)

By formula: (Ag⁺ • C₂H₃N) + C₂H₃N = (Ag⁺ • 2C₂H₃N)

 +  = ( • )

By formula: Ag⁺ + C₂H₄O = (Ag⁺ • C₂H₄O)

 +  = ( • )

By formula: Ag⁺ + C₂H₄ = (Ag⁺ • C₂H₄)

Free energy of reaction

( • ) +  = ( • 2)

By formula: (Ag⁺ • C₂H₄) + C₂H₄ = (Ag⁺ • 2C₂H₄)

 +  = ( • )

By formula: Ag⁺ + C₃H₆O = (Ag⁺ • C₃H₆O)

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2C₅H₅N) + C₅H₅N = (Ag⁺ • 3C₅H₅N)

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3C₅H₅N) + C₅H₅N = (Ag⁺ • 4C₅H₅N)

 +  = ( • )

By formula: Ag⁺ + C₅H₈ = (Ag⁺ • C₅H₈)

 +  = ( • )

By formula: Ag⁺ + C₅H₁₀ = (Ag⁺ • C₅H₁₀)

 +  = ( • )

By formula: Ag⁺ + C₆H₆ = (Ag⁺ • C₆H₆)

( • ) +  = ( • 2)

By formula: (Ag⁺ • C₆H₆) + C₆H₆ = (Ag⁺ • 2C₆H₆)

 +  = ( • )

By formula: Ag⁺ + H₂O = (Ag⁺ • H₂O)

( • ) +  = ( • 2)

By formula: (Ag⁺ • H₂O) + H₂O = (Ag⁺ • 2H₂O)

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2H₂O) + H₂O = (Ag⁺ • 3H₂O)

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3H₂O) + H₂O = (Ag⁺ • 4H₂O)

( • 4) +  = ( • 5)

By formula: (Ag⁺ • 4H₂O) + H₂O = (Ag⁺ • 5H₂O)

( • 5) +  = ( • 6)

By formula: (Ag⁺ • 5H₂O) + H₂O = (Ag⁺ • 6H₂O)

( • ) +  = ( • 2)

By formula: (Ag⁺ • H₃N) + H₃N = (Ag⁺ • 2H₃N)

( • 2) +  = ( • 3)

By formula: (Ag⁺ • 2H₃N) + H₃N = (Ag⁺ • 3H₃N)

( • 3) +  = ( • 4)

By formula: (Ag⁺ • 3H₃N) + H₃N = (Ag⁺ • 4H₃N)

( • 4) +  = ( • 5)

By formula: (Ag⁺ • 4H₃N) + H₃N = (Ag⁺ • 5H₃N)

References

Go To: Top, Reaction thermochemistry data, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Guo and Castleman, 1991
Guo, B.C.; Castleman, A.W., The Bonding Strength of Ag+(C2H4) and Ag+(C2H4)2 Complexes, Chem. Phys. Lett., 1991, 181, 1, 16, https://doi.org/10.1016/0009-2614(91)90214-T . [all data]

Holland and Castleman, 1982
Holland, P.M.; Castleman, A.W., The Thermochemical Properties of Gas - Phase Transition Metal Ion Complexes, J. Chem. Phys., 1982, 76, 8, 4195, https://doi.org/10.1063/1.443497 . [all data]

Meyer, Chen, et al., 1995
Meyer, F.; Chen, Y.M.; Armentrout, P.B., Sequential Bond Energies of Cu(CO)x+ and Ag(CO)x+ (x = 1-4), J. Am. Chem. Soc., 1995, 117, 14, 4071, https://doi.org/10.1021/ja00119a023 . [all data]

Rodgers and Armentrout, 2000
Rodgers, M.T.; Armentrout, P.B., Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation, Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X . [all data]

Ho, Yang, et al., 1997
Ho, Y.-P.; Yang, Y.-C.; Klippenstein, S.J.; Dunbar, R.C., Binding Energies of Ag+ and Cd+ Complexes from Analysis of Radiative Association Kinetics, J. Phys. Chem. A, 1997, 101, 18, 3338, https://doi.org/10.1021/jp9637284 . [all data]

Shoieb, Aribi, et al., 2001
Shoieb, T.; Aribi, H.; Siu, K.W.M.; Hopkinson, A.C., A Study of Silver(I) Ion-Organometallic Complexes: Ion Structures, Binding Energies, and Substituent Effects, J. Phys. Chem. A, 2001, 105, 4, 710, https://doi.org/10.1021/jp002676m . [all data]

Notes

Go To: Top, Reaction thermochemistry data, Ion clustering data, References

• Symbols used in this document:
  

  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
• 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.

© 2026 by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.