copper
- Formula: Cu
- Molecular weight: 63.546
- IUPAC Standard InChIKey: RYGMFSIKBFXOCR-UHFFFAOYSA-N
- CAS Registry Number: 7440-50-8
- 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:
- Other data available:
- 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
- X-ray Photoelectron Spectroscopy Database, version 5.0
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Reaction thermochemistry data
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: 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. 107865-35-0 • 4294967295) + = CAS Reg. No. 107865-35-0
By formula: (CAS Reg. No. 107865-35-0 • 4294967295Cu) + Cu = CAS Reg. No. 107865-35-0
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37.8 ± 3.5 | kcal/mol | N/A | Spasov, Lee, et al., 2000 | gas phase; 0 K dissociation energy |
ΔrH° | 36.2 ± 1.4 | kcal/mol | Ther | Leopold, Ho, et al., 1987 | gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond. |
(CAS Reg. No. 69670-04-8 • 4294967295) + = CAS Reg. No. 69670-04-8
By formula: (CAS Reg. No. 69670-04-8 • 4294967295Cu) + Cu = CAS Reg. No. 69670-04-8
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 55.8 ± 3.5 | kcal/mol | N/A | Spasov, Lee, et al., 2000 | gas phase; 0 K dissociation energy |
ΔrH° | 60. ± 10. | kcal/mol | N/A | Ho, Ervin, et al., 1990 | gas phase; Vertical Detachment Energy: 2.37±0.01 eV. |
(CAS Reg. No. 108658-51-1 • 4294967295) + = CAS Reg. No. 108658-51-1
By formula: (CAS Reg. No. 108658-51-1 • 4294967295Cu) + Cu = CAS Reg. No. 108658-51-1
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.5 ± 2.8 | kcal/mol | N/A | Spasov, Lee, et al., 2000 | gas phase; 0 K dissociation energy |
(CAS Reg. No. 108658-52-2 • 4294967295) + = CAS Reg. No. 108658-52-2
By formula: (CAS Reg. No. 108658-52-2 • 4294967295Cu) + Cu = CAS Reg. No. 108658-52-2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.2 ± 2.8 | kcal/mol | N/A | Spasov, Lee, et al., 2000 | gas phase; 0 K dissociation energy |
(CAS Reg. No. 108658-53-3 • 4294967295) + = CAS Reg. No. 108658-53-3
By formula: (CAS Reg. No. 108658-53-3 • 4294967295Cu) + Cu = CAS Reg. No. 108658-53-3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.8 ± 6.9 | kcal/mol | N/A | Spasov, Lee, et al., 2000 | gas phase; 0 K dissociation energy |
(CAS Reg. No. 108658-54-4 • 4294967295) + = CAS Reg. No. 108658-54-4
By formula: (CAS Reg. No. 108658-54-4 • 4294967295Cu) + Cu = CAS Reg. No. 108658-54-4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.2 ± 5.1 | kcal/mol | N/A | Spasov, Lee, et al., 2000 | gas phase; 0 K dissociation energy |
(CAS Reg. No. 108658-55-5 • 4294967295) + = CAS Reg. No. 108658-55-5
By formula: (CAS Reg. No. 108658-55-5 • 4294967295Cu) + Cu = CAS Reg. No. 108658-55-5
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 55.6 ± 6.9 | kcal/mol | N/A | Spasov, Lee, et al., 2000 | gas phase; 0 K dissociation energy |
Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to Cu+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.72638 ± 0.00001 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 156.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 151.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.236 ± 0.033 | N/A | Wu, Qin, et al., 2010 | B |
1.235792 ± 0.000044 | N/A | Bilodeau, Scheer, et al., 1998 | B |
1.226 ± 0.010 | LPES | Hotop, Bennett, et al., 1973 | B |
1.20 ± 0.15 | LPES | Taylor, Pettiettehall, et al., 1992 | EA set as 0.2 eV above onset to correct for unresolved hot bands.; B |
1.2350 ± 0.0050 | LPES | Leopold, Ho, et al., 1987 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.72638 | EVAL | Lide, 1992 | LL |
8.0 | EI | Hildenbrand and Lau, 1991 | LL |
7.726380 ± 0.000013 | S | Sugar and Musgrove, 1990 | LL |
7.7263 | S | Kelly, 1987 | LBLHLM |
7.72 | PE | Dyke, Fayad, et al., 1979 | LLK |
7.72628 ± 0.00002 | S | Tondello, 1973 | LLK |
7.71 ± 0.05 | EI | Cabaud, Hoareau, et al., 1972 | LLK |
7.726 | S | Moore, 1970 | RDSH |
References
Go To: Top, 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.
Spasov, Lee, et al., 2000
Spasov, V.A.; Lee, T.H.; Ervin, K.M.,
Threshold collision-induced dissociation of anionic copper clusters and copper cluster monocarbonyls,
J. Chem. Phys., 2000, 112, 4, 1713-1720, https://doi.org/10.1063/1.480736
. [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]
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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [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]
Bilodeau, Scheer, et al., 1998
Bilodeau, R.C.; Scheer, M.; Haugen, H.K.,
Infrared Laser Photodetachment of Transition Metal Negative Ions: Studies on Cr-, Mo-, Cu-, and Ag-,
J. Phys. B: Atom. Mol. Opt. Phys., 1998, 31, 17, 3885-3891, https://doi.org/10.1088/0953-4075/31/17/013
. [all data]
Hotop, Bennett, et al., 1973
Hotop, H.; Bennett, R.A.; Lineberger, W.C.,
Electron Affinities of Cu and Ag,
J. Chem. Phys., 1973, 58, 6, 2373, https://doi.org/10.1063/1.1679514
. [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]
Hildenbrand and Lau, 1991
Hildenbrand, D.L.; Lau, K.H.,
Redetermination of the thermochemistry of gaseous UF5, UF2, and UF,
J. Chem. Phys., 1991, 94, 1420. [all data]
Sugar and Musgrove, 1990
Sugar, J.; Musgrove, A.,
Energy levels of copper, CuI through CuXXIX,
J. Phys. Chem. Ref. Data, 1990, 19, 527. [all data]
Kelly, 1987
Kelly, R.L.,
Atomic and ionic spectrum lines of hydrogen through kryton,
J. Phys. Chem. Ref. Data, 1987, 16. [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]
Tondello, 1973
Tondello, G.,
Absorption spectrum of Cu I in the vacuum ultraviolet,
J. Opt. Soc. Am., 1973, 63, 346. [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]
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, 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
- 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.