Benzonitrile, 4-chloro-
- Formula: C7H4ClN
- Molecular weight: 137.566
- IUPAC Standard InChIKey: GJNGXPDXRVXSEH-UHFFFAOYSA-N
- CAS Registry Number: 623-03-0
- 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: Benzonitrile, p-chloro-; p-Chlorobenzonitrile; p-Cyanochlorobenzene; 4-Chlorobenzonitrile; Nitril kyseliny p-chlorbenzoove; p-Chlorocyanobenzene; 4-Chlorobenzoic acid nitrile
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Phase change data
Go To: Top, Gas phase ion energetics data, IR Spectrum, 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 496.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.4 | 404. | EB | Aim, 1994 | Based on data from 389. to 483. K.; AC |
Gas phase ion energetics data
Go To: Top, Phase change data, IR Spectrum, 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
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
9.94 ± 0.05 | EI | Buchs, 1970 |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H4N+ | 14.0 ± 0.1 | Cl | EI | Brown, 1970 |
IR Spectrum
Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS (100 mmHg DILUTED TO A TOTAL PRESSURE OF ABOUT 1 ATMOSPHERE WITH NITROGEN); DOW KBr FOREPRISM; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
- GAS (VAPOR AT 100 C, N2 ADDED, TOTAL PRESSURE ABOUT 1 ATM.); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm-1 resolution
- SOLUTION (10% CCl4 FOR 3800-1340, 10% CS2 FOR 1340-420); DOW KBr FOREPRISM-GRATING $$SPECTRAL CONTAMINATION DUE TO CCl4 AROUND 1550 CM-1 HAS BEEN SUBTRACTED; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3800-1335 CM-1, 10% IN CS2 FOR 1335-420 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Aim, 1994
Aim, Karel,
A modified ebulliometric method for high-boiling substances: vapour pressures of 2-chlorobenzonitrile and 4-chlorobenzonitrile at temperatures from 380 K to 490 K,
The Journal of Chemical Thermodynamics, 1994, 26, 9, 977-986, https://doi.org/10.1006/jcht.1994.1115
. [all data]
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]
Brown, 1970
Brown, P.,
Kinetic studies in mass spectrometry-IV. The [M - Cl] reaction in substituted chlorobenzenes and the question of molecular ion isomerization,
Org. Mass Spectrom., 1970, 3, 639. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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