Diphenylacetylene
- Formula: C14H10
- Molecular weight: 178.2292
- IUPAC Standard InChIKey: JRXXLCKWQFKACW-UHFFFAOYSA-N
- CAS Registry Number: 501-65-5
- 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: Diphenylethyne; Benzene, 1,1'-(1,2-ethynediyl)bis-; Acetylene, diphenyl-; Ethyne, diphenyl-; Tolan; Tolane; 1,2-Diphenylacetylene; 1,1'-(1,2-Ethanediyl)bisbenzene; NSC 5185
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to C14H10+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.94 ± 0.03 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
<0.321 ± 0.074 | ECD | Wojnarovits and Foldiak, 1981 | G3MP2B3 calculations indicate an EA of ca. 0.2 eV; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.95 ± 0.08 | PE | Elbel, Lienert, et al., 1981 | LLK |
7.90 ± 0.02 | PE | Maier and Turner, 1973 | LLK |
8.0 ± 0.05 | PE | Eland, 1972 | LLK |
7.91 | PE | Rowland, 1971 | Unpublished result of J.H.D. Eland; LLK |
23.4 ± 0.1 | EI | Natalis and Franklin, 1965 | RDSH |
8.85 ± 0.05 | EI | Natalis and Franklin, 1965 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H5+ | 20.7 ± 0.1 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C8H6+ | 17.8 ± 0.1 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C9H5+ | 21.3 ± 0.2 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C9H7+ | 17.5 ± 0.1 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C10H6+ | 18.2 ± 0.1 | 2C2H2 | EI | Natalis and Franklin, 1965 | RDSH |
C11H7+ | 17.5 ± 0.1 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C12H7+ | 17.46 ± 0.06 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C12H8+ | 15.58 ± 0.05 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C12H82+ | 20.5 ± 0.1 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C14H8+ | 16.66 ± 0.05 | H2 | EI | Natalis and Franklin, 1965 | RDSH |
C14H9+ | 15.1 ± 0.1 | H | EI | Natalis and Franklin, 1965 | RDSH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, UV/Visible spectrum, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Japan AIST/NIMC Database- Spectrum MS-NW-2603 |
NIST MS number | 228985 |
UV/Visible spectrum
Go To: Top, Gas phase ion energetics data, 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 by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | missing citation |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 9001 |
Instrument | Perkin Elmer 350 |
Melting point | 62.5 |
Boiling point | 300 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 283.2 | Wang, Hou, et al., 2007 | 30. m/0.30 mm/0.25 μm, Helium, 50. C @ 5. min, 5. K/min, 200. C @ 15. min |
Capillary | HP-5 | 289.27 | Piao, Chu, et al., 1999 | 30. m/0.25 mm/0.25 μm, 50. C @ 2. min, 4. K/min, 280. C @ 20. min |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 291.7 | Aracil, Font, et al., 2005 | Column length: 60. m; Column diameter: 0.25 mm; Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wojnarovits and Foldiak, 1981
Wojnarovits, L.; Foldiak, G.,
Electron capture detection of aromatic hydrocarbons,
J. Chromatogr. Sci., 1981, 206, 511. [all data]
Elbel, Lienert, et al., 1981
Elbel, S.; Lienert, K.; Krebs, A.; tom Dieck, H.,
Phenylethin - mustersonde fur substituenteneffekte,
Liebigs Ann. Chem., 1981, 1785. [all data]
Maier and Turner, 1973
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part 2. Phenylethylenes,
J. Chem. Soc. Faraday Trans. 2, 1973, 69, 196. [all data]
Eland, 1972
Eland, J.H.D.,
Photoelectron spectra and ionization potentials of aromatic hydrocarbons,
Int. J. Mass Spectrom. Ion Phys., 1972, 9, 214. [all data]
Rowland, 1971
Rowland, C.G.,
Kinetic energy distributions of C12H8 fragment ions in the mass spectra of anthracene, phenanthrene and diphenylacetylene,
Intern. J. Mass Spectrom. Ion Phys., 1971, 7, 79. [all data]
Natalis and Franklin, 1965
Natalis, P.; Franklin, J.L.,
Ionization and dissociation of diphenyl and condensed ring aromatics by electron impact. I. Biphenyl, diphenylacetylene, and phenanthrene,
J. Phys. Chem., 1965, 69, 2935. [all data]
Wang, Hou, et al., 2007
Wang, G.; Hou, Z.; Sun, Y.; Liu, Y.; Xie, B.; Liu, S.,
Investigation of pyrolysis behavior of fenoxycarb using PY-GC-MS assisted with chemometric methods,
Chem. Anal., 2007, 52, 141-156. [all data]
Piao, Chu, et al., 1999
Piao, M.; Chu, S.; Zheng, M.; Xu, X.,
Characterization of the combustion products of polyethylene,
Chemosphere, 1999, 39, 9, 1497-1512, https://doi.org/10.1016/S0045-6535(99)00054-5
. [all data]
Aracil, Font, et al., 2005
Aracil, I.; Font, R.; Conesa, J.A.,
Semivolatile and volatile compounds from the pyrolysis and combustion of polyvinyl chloride,
J. Anal. Appl. Pyrolysis, 2005, 74, 1-2, 465-478, https://doi.org/10.1016/j.jaap.2004.09.008
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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