Niobium ion (1+)
- Formula: Nb+
- Molecular weight: 92.90583
- IUPAC Standard InChI: InChI=1S/Nb/q+1
- IUPAC Standard InChIKey: PHVACVGSPBMRHJ-UHFFFAOYSA-N
- CAS Registry Number: 18587-63-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Niobium cation
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Gas phase thermochemistry 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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas,1 bar | 183.41 | J/mol*K | Review | Chase, 1998 | Data last reviewed in March, 1984 |
Reaction thermochemistry data
Go To: Top, Gas phase 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. 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: Nb+ + Nb = (Nb+ • Nb)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 569. | kJ/mol | CID | Loh, Lian, et al., 1988 | gas phase; approximate value; M |
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 569.0 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 9
) +
= (
• 10
)
By formula: (Nb+ • 9Nb) + Nb = (Nb+ • 10Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 600.0 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 2
) +
= (
• 3
)
By formula: (Nb+ • 2Nb) + Nb = (Nb+ • 3Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 589.9 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 3
) +
= (
• 4
)
By formula: (Nb+ • 3Nb) + Nb = (Nb+ • 4Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 556.9 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 4
) +
= (
• 5
)
By formula: (Nb+ • 4Nb) + Nb = (Nb+ • 5Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 568.2 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 5
) +
= (
• 6
)
By formula: (Nb+ • 5Nb) + Nb = (Nb+ • 6Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 650.2 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 6
) +
= (
• 7
)
By formula: (Nb+ • 6Nb) + Nb = (Nb+ • 7Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 592.0 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 7
) +
= (
• 8
)
By formula: (Nb+ • 7Nb) + Nb = (Nb+ • 8Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 578.2 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( • 8
) +
= (
• 9
)
By formula: (Nb+ • 8Nb) + Nb = (Nb+ • 9Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 604.2 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
( •
) +
= (
• 2
)
By formula: (Nb+ • Nb) + Nb = (Nb+ • 2Nb)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 489.9 | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
+
= (
•
)
By formula: Nb+ + CS = (Nb+ • CS)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 242. ± 11. | kJ/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Loh, Lian, et al., 1988
Loh, S.K.; Lian, L.; Hales, D.A.; Armentrout, P.B.,
Collision - Induced Dissociation Processes of Nb4+ and Fe4+: Fission vs Evaporation,
J. Chem. Phys., 1988, 89, 1, 610, https://doi.org/10.1063/1.455455
. [all data]
Armentrout and Kickel, 1994
Armentrout, P.B.; Kickel, B.L.,
Gas Phase Thermochemistry of Transition Metal Ligand Systems: Reassessment of Values and Periodic Trends, in Organometallic Ion Chemistry, B. S. Freiser, ed, 1994. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) T Temperature ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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