HCI
- Formula: CHI
- Molecular weight: 139.9231
- Information on this page:
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Vibrational and/or electronic energy levels
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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: Marilyn E. Jacox
State: A
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 10500 | T | gas | A-X | 631 | 777 | Tao, Ebben, et al., 2008 | |
| Tao, Ebben, et al., 2009 | |||||||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a' | 3 | CI stretch | 665 | T | gas | LF | Tao, Ebben, et al., 2009 |
State: a
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 1407 ± 2 | gas | Murray, Leopold, et al., 1988 | |||||
| Gilles, Ervin, et al., 1992 | |||||||
| Tao, Ebben, et al., 2008 | |||||||
| Tao, Ebben, et al., 2009 | |||||||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a' | 3 | CI stretch | 637 ± 80 | gas | PE | Gilles, Ervin, et al., 1992 | |
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a' | 2 | Bend | 948 ± 2 | gas | LF | Tao, Ebben, et al., 2008 Tao, Ebben, et al., 2009 | |
| 3 | CI stretch | 591 ± 2 | gas | PE LF | Murray, Leopold, et al., 1988 Gilles, Ervin, et al., 1992 Tao, Ebben, et al., 2008 Tao, Ebben, et al., 2009 | ||
Additional references: Jacox, 1994, page 43
Notes
| T | Tentative assignment or approximate value |
| o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Tao, Ebben, et al., 2008
Tao, C.; Ebben, C.; Ko, H.-T.; Reid, S.A.,
First observation of the elusive iodocarbene: ground state multiplicity and singlet--triplet gap of CHI,
Phys. Chem. Chem. Phys., 2008, 10, 40, 6090, https://doi.org/10.1039/b812734d
. [all data]
Tao, Ebben, et al., 2009
Tao, C.; Ebben, C.; Reid, S.A.,
Fluorescence Excitation and Emission Spectroscopy of the X,
J. Phys. Chem. A, 2009, 113, 47, 13407, https://doi.org/10.1021/jp903047d
. [all data]
Murray, Leopold, et al., 1988
Murray, K.K.; Leopold, D.G.; Miller, T.M.; Lineberger, W.C.,
Photoelectron Spectroscopy of the Halocarbene Anions HCF-, HCCl-, HCBr-, HCI-, CF2-, and CCl2-,
J. Chem. Phys., 1988, 89, 9, 5442, https://doi.org/10.1063/1.455596
. [all data]
Gilles, Ervin, et al., 1992
Gilles, M.K.; Ervin, K.M.; Ho, J.; Lineberger, W.C.,
Negative Ion Photoelectron Spectroscopy of HCF-, HCCl-, HCBr-, and HCI- - Photoelectron Angular Distributions and Neutral Triplet Excitation,
J. Phys. Chem., 1992, 96, 3, 1130, https://doi.org/10.1021/j100182a021
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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