HRb
- Formula: HRb
- Molecular weight: 86.4757
- CAS Registry Number: 13446-75-8
- Information on this page:
- Options:
Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, 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
Rb- + = HRb
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1436.7 ± 2.1 | kJ/mol | D-EA | Frey, Breyer, et al., 1978 | gas phase; Given: 3919.18(16) cm-1 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1417.4 ± 2.4 | kJ/mol | H-TS | Frey, Breyer, et al., 1978 | gas phase; Given: 3919.18(16) cm-1 |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Constants of diatomic molecules, 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
De-protonation reactions
Rb- + = HRb
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1436.7 ± 2.1 | kJ/mol | D-EA | Frey, Breyer, et al., 1978 | gas phase; Given: 3919.18(16) cm-1 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1417.4 ± 2.4 | kJ/mol | H-TS | Frey, Breyer, et al., 1978 | gas phase; Given: 3919.18(16) cm-1 |
Constants of diatomic molecules
Go To: Top, Reaction thermochemistry data, 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: Klaus P. Huber and Gerhard H. Herzberg
Data collected through July, 1977
| Symbol | Meaning |
|---|---|
| State | electronic state and / or symmetry symbol |
| Te | minimum electronic energy (cm-1) |
| ωe | vibrational constant – first term (cm-1) |
| ωexe | vibrational constant – second term (cm-1) |
| ωeye | vibrational constant – third term (cm-1) |
| Be | rotational constant in equilibrium position (cm-1) |
| αe | rotational constant – first term (cm-1) |
| γe | rotation-vibration interaction constant (cm-1) |
| De | centrifugal distortion constant (cm-1) |
| βe | rotational constant – first term, centrifugal force (cm-1) |
| re | internuclear distance (Å) |
| Trans. | observed transition(s) corresponding to electronic state |
| ν00 | position of 0-0 band (units noted in table) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A 1Σ+ | 18219.8 | 211.7 Z | -6.47 1 | -0.253 | 1.112 | -0.054 2 | 0.000110 | -0.0000026 | 3.901 | A → X R | 17862.3 Z | |
| ↳missing citation; Bartky, 1966 | ||||||||||||
| X 1Σ+ | 0 | 936.94 Z | 14.21 | 0.082 | 3.020 | 0.072 | 0.0003 | 0.000123 | -1.3E-6 | 2.367 | ||
Notes
| 1 | ωeze = +0.0030 (v ≤ 9). |
| 2 | αv= -0.0054(v+1/2)2 - 0.000162(v+1/2)3 (v ≤ 9). |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Constants of diatomic molecules, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Frey, Breyer, et al., 1978
Frey, P.; Breyer, F.; Hotop, H.,
High Resolutions Photodetachment from the Rubidium Negative Ion around the Rb(5p1/2) Threshold,
J. Phys. B: Atom. Mol. Phys., 1978, 11, 19, L589, https://doi.org/10.1088/0022-3700/11/19/005
. [all data]
Bartky, 1966
Bartky, I.R.,
The absorption spectrum of RbD. Vibrational numbering of the A1Σ state of RbH,
J. Mol. Spectrosc., 1966, 21, 1. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Constants of diatomic molecules, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions 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.