Copper dimer

• Formula: Cu₂
• Molecular weight: 127.092
• IUPAC Standard InChI: InChI=1S/2Cu Copy

  
• IUPAC Standard InChIKey: ALKZAGKDWUSJED-UHFFFAOYSA-N Copy
• CAS Registry Number: 12190-70-4
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Constants of diatomic molecules
• Data at other public NIST sites:
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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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess

View reactions leading to Cu₂⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

References

Go To: Top, 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.

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]

Ho, Ervin, et al., 1990
Ho, J.; Ervin, K.M.; Lineberger, W.C., Photoelectron Spectroscopy of Metal Cluster Anions - Cun-, Agn-, and Aun-, J. Chem. Phys., 1990, 93, 10, 6987, https://doi.org/10.1063/1.459475 . [all data]

Leopold, Ho, et al., 1987
Leopold, D.G.; Ho, J.; Lineberger, W.C., Photoelectron Spectroscopy of Mass^-selected Metal Cluster Anions. I. Cu_n^-, n=1-10, J. Chem. Phys., 1987, 86, 4, 1715, https://doi.org/10.1063/1.452170 . [all data]

Franzreb, Wucher, et al., 1990
Franzreb, K.; Wucher, A.; Oechsner, H., Electron impact ionization of small silver and copper clusters, Z. Phys. D, 1990, 17, 51. [all data]

Sappey, Harrington, et al., 1989
Sappey, A.D.; Harrington, J.E.; Weisshaar, J.C., Resonant two-photo ionization-photoelectron spectroscopy of Cu₂: Autoionization dynamics and Cu2⁺ vibronic states, J. Chem. Phys., 1989, 91, 3854. [all data]

Powers, Hansen, et al., 1983
Powers, D.E.; Hansen, S.G.; Geusic, M.E.; Michalopoulos, D.L.; Smalley, R.E., Supersonic copper clusters, J. Chem. Phys., 1983, 78, 2866. [all data]

Huber and Herzberg, 1979
Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules,, Van Nostrand Reinhold Co., 1979, ,1. [all data]

Hilpert, 1979
Hilpert, K., Mass spectrometric determination of the dissociation energies of CuTb(g), CuDy(g), and CuHo(g), Ber. Bunsen-Ges. Phys. Chem., 1979, 83, 161. [all data]

Neckel and Sodeck, 1972
Neckel, A.; Sodeck, G., Bestimmung der dissoziationsenergien der gasformigen molekule CuGe, AgGe and AuGe, Monatsh. Chem., 1972, 103, 367. [all data]

Notes

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• Symbols used in this document:
  

  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy

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