4-Cyanobenzyl radical
- Formula: C8H6N
- Molecular weight: 116.1399
- IUPAC Standard InChIKey: SMVKJBOGSRFNKW-UHFFFAOYSA-N
- CAS Registry Number: 4939-73-5
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C8H6N+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
8.4 ± 0.1 | EI | Harrison, Kebarle, et al., 1961 |
Vibrational and/or electronic energy levels
Go To: Top, 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: Marilyn E. Jacox
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 20743.9 | gas | A-X | 445 | 580 | Fukushima, Saito, et al., 1996 | ||
Lee and Ahn, 2000 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
b2 | (6b) | 516 | gas | LF | Fukushima, Saito, et al., 1996 | ||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | (20a) | CH stretch | 3133 | gas | EM | Lee and Ahn, 2000 | |
CN stretch | 2225 | gas | LF EM | Fukushima, Saito, et al., 1996 Lee and Ahn, 2000 | |||
(8a) | 1563 | gas | LF EM | Fukushima, Saito, et al., 1996 Lee and Ahn, 2000 | |||
(7a) | 1210 | gas | EM | Lee and Ahn, 2000 | |||
(9a) | 1149 | gas | LF EM | Fukushima, Saito, et al., 1996 Lee and Ahn, 2000 | |||
(1) | 825 | gas | LF EM | Fukushima, Saito, et al., 1996 Lee and Ahn, 2000 | |||
513 | gas | LF | Fukushima, Saito, et al., 1996 | ||||
(6a) | 407 | gas | EM | Lee and Ahn, 2000 | |||
a2 | (17a) | 951 | gas | EM | Lee and Ahn, 2000 | ||
b1 | (16b) | 427 | gas | EM | Lee and Ahn, 2000 | ||
b2 | (8b) | 1521 | gas | EM | Lee and Ahn, 2000 | ||
(6b) | 642 | gas | LF EM | Fukushima, Saito, et al., 1996 Lee and Ahn, 2000 | |||
(9b) | 355 | gas | LF EM | Fukushima, Saito, et al., 1996 | |||
Additional references: Jacox, 1998, page 370; Jacox, 2003, page 405
Notes
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, Gas phase ion energetics data, 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.
Harrison, Kebarle, et al., 1961
Harrison, A.G.; Kebarle, P.; Lossing, F.P.,
Free radicals by mass spectrometry. XXI. The ionization potentials of some meta and para substituted benzyl radicals,
J. Am. Chem. Soc., 1961, 83, 777. [all data]
Fukushima, Saito, et al., 1996
Fukushima, M.; Saito, K.; Obi, K.,
Jet Spectroscopy of theD122B1--D012B1Transition of thep-Cyanobenzyl Radical,
J. Mol. Spectrosc., 1996, 180, 2, 389, https://doi.org/10.1006/jmsp.1996.0262
. [all data]
Lee and Ahn, 2000
Lee, S.K.; Ahn, B.U.,
Vibronic spectroscopy of jet-cooled p-cyanobenzyl radical: D1→D0 spectra and vibrational mode assignments,
Chem. Phys. Lett., 2000, 320, 5-6, 601, https://doi.org/10.1016/S0009-2614(00)00263-3
. [all data]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Jacox, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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