Nitrogen monochloride
- Formula: ClN
- Molecular weight: 49.460
- IUPAC Standard InChI: InChI=1S/ClN/c1-2
- IUPAC Standard InChIKey: FCRWGDJBFPDQPO-UHFFFAOYSA-N
- CAS Registry Number: 12190-75-9
- Chemical structure:
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Constants of diatomic molecules
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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 May, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| b 1Σ+ | 14984.6 | 935.6 H Q | 5.4 | [0.68284] | [1.65E-6] | [1.5713] | b → X V | 15038.94 Z | ||||
| ↳missing citation | ||||||||||||
| X 3Σ- | 0 | 827.0 HQ | 5.1 | [0.64685] 1 | [1.78E-6] | [1.6144] 2 | ||||||
| ↳Milligan, 1961; Milligan and Jacox, 1964 | ||||||||||||
Notes
| 1 | Spin coupling constants λ0 = 1.776, γ0 = -0.00715 |
| 2 | Vibration sp. 3 |
| 3 | In argon and nitrogen matrices, ΔG(1/2) = 825. |
References
Go To: Top, 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.
Milligan, 1961
Milligan, D.E.,
Infrared spectroscopic study of the photolysis of chlorine azide in solid argon at 4.2°K,
J. Chem. Phys., 1961, 35, 372. [all data]
Milligan and Jacox, 1964
Milligan, D.E.; Jacox, M.E.,
Infrared Spectra of NF, NCl, and NBr,
J. Chem. Phys., 1964, 40, 9, 2461, https://doi.org/10.1063/1.1725547
. [all data]
Notes
Go To: Top, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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