Benzeneacetonitrile, 4-methoxy-
- Formula: C9H9NO
- Molecular weight: 147.1739
- IUPAC Standard InChI: InChI=1S/C9H9NO/c1-11-9-4-2-8(3-5-9)6-7-10/h2-5H,6H2,1H3
- IUPAC Standard InChIKey: PACGLQCRGWFBJH-UHFFFAOYSA-N
- CAS Registry Number: 104-47-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Acetonitrile, (p-methoxyphenyl)-; p-Methoxybenzeneacetonitrile; p-Methoxybenzyl cyanide; p-Methoxyphenylacetonitrile; 4-Methoxyphenylacetonitrile; 4-Methoxyphenylacetic acid nitrile; p-Anisylacetonitrile; Anisylacetonitrile; NSC 96
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, 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:
B - John E. Bartmess
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.77 ± 0.05 | EI | Buchs, 1970 | RDSH |
De-protonation reactions
C9H8NO- + =
By formula: C9H8NO- + H+ = C9H9NO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 351.6 ± 2.5 | kcal/mol | G+TS | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 345.0 ± 2.0 | kcal/mol | IMRE | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale; B |
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | NIST Mass Spectrometry Data Center, 1998. |
| NIST MS number | 291974 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-1 | 1370. | Nyegue, Ndoye, et al., 2009 | 30. m/0.25 mm/0.25 μm, Helium, 10. K/min; Tstart: 70. C; Tend: 220. C |
| Capillary | OV-101 | 1336. | Agnaniet, Mounzeo, et al., 2003 | 25. m/0.25 mm/0.25 μm, N2, 5. K/min; Tstart: 50. C; Tend: 200. C |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 2305. | Agnaniet, Mounzeo, et al., 2003 | 25. m/0.22 mm/0.25 μm, N2, 5. K/min; Tstart: 50. C; Tend: 200. C |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Buchs, 1970
Buchs, A.,
Etude par spectrometrie de masse de l'ionisation de benzonitriles, de phenylacetonitriles et de N,N-dimethylanilines substitues,
Helv. Chim. Acta, 1970, 53, 2026. [all data]
Taft, 1987
Taft, R.W.,
The Nature and Analysis of Substitutent Electronic Effects,
Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Nyegue, Ndoye, et al., 2009
Nyegue, M.; Ndoye, F.; Zollo, P.-H.A.; Etoa, F.-X.; Agnaniet, H.; Menut, C.,
Chemical and biological evaluation of essential oil of Pentadiplandra brazzeana (Nail.) roots from Cameroon,
Adv. Phytoterapy Res., 2009, 91-107. [all data]
Agnaniet, Mounzeo, et al., 2003
Agnaniet, H.; Mounzeo, H.; Menut, C.; Bessiere, J.-M.; Criton, M.,
The essential oils of Rinorea subintegrifolia O. Ktze and Drypetes gossweileri S. Moore occurring in Gabon,
Flavour Fragr. J., 2003, 18, 3, 207-210, https://doi.org/10.1002/ffj.1185
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, 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
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