Lanthanum ion (1+)
- Formula: La+
- Molecular weight: 138.90492
- IUPAC Standard InChI: InChI=1S/La/q+1
- IUPAC Standard InChIKey: INRSKRFIGKKUGO-UHFFFAOYSA-N
- CAS Registry Number: 14175-57-6
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, Ion clustering 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: La+ + C2H4 = (La+ • C2H4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 52. ± 3. | kcal/mol | PDiss | Ranashinge and Freiser, 1992 | gas phase; M |
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 21.5 | CID | Armentrout and Kickel, 1994 | gas phase; ΔrH>=, guided ion beam CID; M |
+
= (
•
)
By formula: La+ + C2H2 = (La+ • C2H2)
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 62.6 (+7.2,-0.) | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
+
= (
•
)
By formula: La+ + CH3 = (La+ • CH3)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 55.1 ± 3.5 | kcal/mol | CIDT | Sunderlin and Armentrout, 1989 | RCD |
+
= (
•
)
By formula: La+ + CH2 = (La+ • CH2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 98.2 ± 1.4 | kcal/mol | CIDT | Sunderlin and Armentrout, 1989 | RCD |
Ion clustering 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 compiled as indicated in comments:
RCD - Robert C. Dunbar
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+
= (
•
)
By formula: La+ + CH2 = (La+ • CH2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 98.2 ± 1.4 | kcal/mol | CIDT | Sunderlin and Armentrout, 1989 | RCD |
+
= (
•
)
By formula: La+ + CH3 = (La+ • CH3)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 55.1 ± 3.5 | kcal/mol | CIDT | Sunderlin and Armentrout, 1989 | RCD |
+
= (
•
)
By formula: La+ + C2H2 = (La+ • C2H2)
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 62.6 (+7.2,-0.) | CID | Armentrout and Kickel, 1994 | gas phase; guided ion beam CID; M |
+
= (
•
)
By formula: La+ + C2H4 = (La+ • C2H4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 52. ± 3. | kcal/mol | PDiss | Ranashinge and Freiser, 1992 | gas phase; M |
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 21.5 | CID | Armentrout and Kickel, 1994 | gas phase; ΔrH>=, guided ion beam CID; M |
References
Go To: Top, Reaction thermochemistry data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ranashinge and Freiser, 1992
Ranashinge, Y.A.; Freiser, B.S.,
Gas-Phase Photodissociation of MC2H2+ (M = Sc, Y, La). Determination of D0(M+ - C2H2),
Chem. Phys. Let., 1992, 200, 1-2, 135, https://doi.org/10.1016/0009-2614(92)87058-W
. [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]
Sunderlin and Armentrout, 1989
Sunderlin, L.S.; Armentrout, P.B.,
Periodic Trends in Chemical Reactivity: Reactions of Sc+, Y+, La+, and Lu+ with Methane and Ethane,
J. Am. Chem. Soc., 1989, 111, 11, 3845, https://doi.org/10.1021/ja00193a015
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Ion clustering data, References
- Symbols used in this document:
T Temperature 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.
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