Copper trimer
- Formula: Cu3
- Molecular weight: 190.638
- CAS Registry Number: 66771-03-7
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, 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:
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
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 2.27 ± 0.10 | LPES | Ho, Ervin, et al., 1990 | Vertical Detachment Energy: 2.37±0.01 eV.; B |
| 2.25 ± 0.15 | LPES | Taylor, Pettiettehall, et al., 1992 | EA set as 0.2 eV above onset to correct for unresolved hot bands.; B |
| 2.45 ± 0.10 | LPES | Leopold, Ho, et al., 1987 | EA given is Vertical Detachment Energy. Adiabatic EA est. as 0.05 eV lower; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 6.1 ± 1.0 | EI | Franzreb, Wucher, et al., 1990 | LL |
| 5.5 ± 0.5 | LS | Morse, Hopkins, et al., 1983 | LBLHLM |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics 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 by: Marilyn E. Jacox
State: B
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 20600 | gas | B-X | Knickelbein, 1994 | ||||
State: 2A1'
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 18524 | gas | 2A1'-X | 522 | 567 | Morse, Hopkins, et al., 1983 | ||
| Rohlfing and Valentini, 1986 | |||||||
| Crumley, Hayden, et al., 1986 | |||||||
| Morse, 1987 | |||||||
| O'Keefe, Scherer, et al., 1990 | |||||||
| Tx = 18760 | Ar | 2A1'-X | Moskovits and Hulse, 1977 | ||||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1' | 1 | Sym. stretch | 146.4 ± 0.5 | gas | DPI LF | Morse, Hopkins, et al., 1983 Rohlfing and Valentini, 1986 Morse, 1987 | |
| 1 | Sym. stretch | 146.4 ± 0.5 | gas | AB | O'Keefe, Scherer, et al., 1990 | ||
| e' | 2 | Deformation | 243 | gas | DPI | Morse, Hopkins, et al., 1983 Morse, 1987 | |
| 2 | Deformation | 243 | gas | LF AB | Rohlfing and Valentini, 1986 O'Keefe, Scherer, et al., 1990 | ||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1' | 1 | Sym. stretch | 269.5 | gas | LF | Rohlfing and Valentini, 1986 Zwanziger, Whetten, et al., 1986 | |
| 1 | Sym. stretch | 354 | T | Ar | Ra | DiLella, Taylor, et al., 1983 Moskovits, 1985 | |
Additional references: Jacox, 1994, page 59; Jacox, 1998, page 161
Notes
| T | Tentative assignment or approximate value |
| o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
| x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Leopold, Ho, et al., 1987
Leopold, D.G.; Ho, J.; Lineberger, W.C.,
Photoelectron Spectroscopy of Mass-selected Metal Cluster Anions. I. Cun-, 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]
Morse, Hopkins, et al., 1983
Morse, M.D.; Hopkins, J.B.; Langridge-Smith, P.R.R.; Smalley, R.E.,
Spectroscopic studies of the jet-cooled copper trimer,
J. Chem. Phys., 1983, 79, 5316. [all data]
Knickelbein, 1994
Knickelbein, M.B.,
Photodissociation spectroscopy of Cu3, Cu3Ar, and Cu3Kr,
J. Chem. Phys., 1994, 100, 7, 4729, https://doi.org/10.1063/1.466263
. [all data]
Rohlfing and Valentini, 1986
Rohlfing, E.A.; Valentini, J.J.,
Laser-excited fluorescence spectroscopy of the jet-cooled copper trimer,
Chem. Phys. Lett., 1986, 126, 2, 113, https://doi.org/10.1016/S0009-2614(86)80022-7
. [all data]
Crumley, Hayden, et al., 1986
Crumley, W.H.; Hayden, J.S.; Gole, J.L.,
Laser induced excitation spectroscopy of copper trimer in various stages of supersonic expansion: Observation of fluorescence from dissociative levels,
J. Chem. Phys., 1986, 84, 10, 5250, https://doi.org/10.1063/1.449934
. [all data]
Morse, 1987
Morse, M.D.,
Copper trimer: a revised assignment of the upper state of the 5397 Å system,
Chem. Phys. Lett., 1987, 133, 1, 8, https://doi.org/10.1016/0009-2614(87)80044-1
. [all data]
O'Keefe, Scherer, et al., 1990
O'Keefe, A.; Scherer, J.J.; Cooksy, A.L.; Sheeks, R.; Heath, J.; Saykally, R.J.,
Cavity ring down dye laser spectroscopy of jet-cooled metal clusters: Cu2 and Cu3,
Chem. Phys. Lett., 1990, 172, 3-4, 214, https://doi.org/10.1016/0009-2614(90)85390-X
. [all data]
Moskovits and Hulse, 1977
Moskovits, M.; Hulse, J.E.,
Optical spectroscopy of copper clusters: Atom to bulk,
J. Chem. Phys., 1977, 67, 9, 4271, https://doi.org/10.1063/1.435365
. [all data]
Zwanziger, Whetten, et al., 1986
Zwanziger, J.W.; Whetten, R.L.; Grant, E.R.,
Assignment of the vibronic level structure of trimeric copper (Cu3) ground state,
J. Phys. Chem., 1986, 90, 15, 3298, https://doi.org/10.1021/j100406a002
. [all data]
DiLella, Taylor, et al., 1983
DiLella, D.P.; Taylor, K.V.; Moskovits, M.,
Tricopper. A fluxional molecule,
J. Phys. Chem., 1983, 87, 3, 524, https://doi.org/10.1021/j100226a028
. [all data]
Moskovits, 1985
Moskovits, M.,
Tricopper - revisited,
Chem. Phys. Lett., 1985, 118, 2, 111, https://doi.org/10.1016/0009-2614(85)85279-9
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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