gold

• Formula: Au
• Molecular weight: 196.966569
• IUPAC Standard InChI: InChI=1S/Au Copy

  
• IUPAC Standard InChIKey: PCHJSUWPFVWCPO-UHFFFAOYSA-N Copy
• CAS Registry Number: 7440-57-5
• 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:
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Data at other public NIST sites:
  • NIST Atomic Spectra Database - Lines Holdings (on physics web site)
  • NIST Atomic Spectra Database - Levels Holdings (on physics web site)
  • NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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.

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Reaction thermochemistry 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 by: John E. Bartmess

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

(CAS Reg. No. 66525-34-6 • 4294967295) +  = CAS Reg. No. 66525-34-6

By formula: (CAS Reg. No. 66525-34-6 • 4294967295Au) + Au = CAS Reg. No. 66525-34-6

(CAS Reg. No. 124053-54-9 • 4294967295) +  = CAS Reg. No. 124053-54-9

By formula: (CAS Reg. No. 124053-54-9 • 4294967295Au) + Au = CAS Reg. No. 124053-54-9

(CAS Reg. No. 130637-98-8 • 4294967295) +  = CAS Reg. No. 130637-98-8

By formula: (CAS Reg. No. 130637-98-8 • 4294967295Au) + Au = CAS Reg. No. 130637-98-8

(CAS Reg. No. 140855-94-3 • 4294967295) +  = CAS Reg. No. 140855-94-3

By formula: (CAS Reg. No. 140855-94-3 • 4294967295Au) + Au = CAS Reg. No. 140855-94-3

(CAS Reg. No. 140855-95-4 • 4294967295) +  = CAS Reg. No. 140855-95-4

By formula: (CAS Reg. No. 140855-95-4 • 4294967295Au) + Au = CAS Reg. No. 140855-95-4

(CAS Reg. No. 140855-96-5 • 4294967295) +  = CAS Reg. No. 140855-96-5

By formula: (CAS Reg. No. 140855-96-5 • 4294967295Au) + Au = CAS Reg. No. 140855-96-5

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:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to Au⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Gantefor, Cox, et al., 1990
Gantefor, G.F.; Cox, D.M.; Kaldor, A., High Resolution Photodetachment Spectroscopy of Jet-Cooled Metal Cluster Anions - Au2- and Ag3-, J. Chem. Phys., 1990, 93, 11, 8395, https://doi.org/10.1063/1.459272 . [all data]

Spasov, Shi, et al., 2000
Spasov, V.A.; Shi, Y.; Ervin, K.M., Time-resolved photodissociation and threshold collision-induced dissociation of anionic gold clusters, Chem. Phys., 2000, 262, 1, 75-91, https://doi.org/10.1016/S0301-0104(00)00165-8 . [all data]

Wu, Qin, et al., 2010
Wu, X.; Qin, Z.B.; Xie, H.; Cong, R.; Wu, X.H.; Tang, Z.C.; Fan, H.J., Photoelectron Imaging and Theoretical Studies of Group 11 Cyanides MCN (M = Cu, Ag, Au), J. Phys. Chem. A, 2010, 114, 49, 12839-12844, https://doi.org/10.1021/jp1013708 . [all data]

Gantefor, Kraus, et al., 1998
Gantefor, G.; Kraus, S.; Eberhardt, W., Femtosecond photoelectron spectroscopy of the photodissociation of Au-3(-), J. Electron Spectros. Rel. Phenom., 1998, 88, 35-40, https://doi.org/10.1016/S0368-2048(97)00264-8 . [all data]

Hotop and Lineberger, 1973
Hotop, H.; Lineberger, W.C., Dye-laser Photodetachment Studies of Au-, Pt-, PtN-, and Ag-, J. Chem. Phys., 1973, 58, 6, 2379, https://doi.org/10.1063/1.1679515 . [all data]

Taylor, Pettiettehall, et al., 1992
Taylor, K.J.; Pettiettehall, C.L.; Cheshnovsky, O.; Smalley, R.E., Ultraviolet Photoelectron Spectra of Coinage Metal Clusters, J. Chem. Phys., 1992, 96, 4, 3319, https://doi.org/10.1063/1.461927 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Dyke, Fayad, et al., 1979
Dyke, J.M.; Fayad, N.K.; Morris, A.; Trickle, I.R., Gas-phase He I photoelectron spectra of some transition metals: Cu, Ag, Au, Cr and Mn, J. Phys. B:, 1979, 12, 2985. [all data]

Brown and Ginter, 1978
Brown, C.M.; Ginter, M.L., Absorption spectrum of Au I between 1300 and 1900 Å, J. Opt. Soc. Am., 1978, 68, 243. [all data]

Cocke, Gingerich, et al., 1973
Cocke, D.L.; Gingerich, K.A.; Kordis, J., Determination of the high bond dissociation energy of the molecule LaRh, High Temp. Sci., 1973, 5, 474. [all data]

Cabaud, Hoareau, et al., 1972
Cabaud, B.; Hoareau, A.; Nounou, P.; Uzan, R., Etude des processus d'ionisation a haute temperature des vapeurs metalliques par couplage d'une cellule de knudsen et d'une source fox. II. Interpretation des processus d'autoionisation des vapeurs metalliques monoatomiques et influence delatemperature sur les courbes d'efficacite d'ionisation., Int. J. Mass Spectrom. Ion Phys., 1972, 8, 181. [all data]

Gingerich and Pupp, 1971
Gingerich, K.A.; Pupp, C., Mass spectrometric determination of the heats of formation atomization of gaseous AuBO, J. Chem. Phys., 1971, 54, 3713. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]

Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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