Bibenzyl
- Formula: C14H14
- Molecular weight: 182.2610
- IUPAC Standard InChIKey: QWUWMCYKGHVNAV-UHFFFAOYSA-N
- CAS Registry Number: 103-29-7
- 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: Benzene, 1,1'-(1,2-ethanediyl)bis-; s-Diphenylethane; Dibenzil; Dibenzyl; Ethane, 1,2-diphenyl-; 1,2-Diphenylethane; Benzene, (phenylethyl)-; 1,2-Diphenylethane(sym); 1,2-Diphenylethane, s; sym-Diphenylethane; Dihydrostilbene; NSC 30686
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Gas phase ion energetics data
Go To: Top, 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:
HL - Edward P. Hunter and 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 191.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 185.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.00 ± 0.05 | EI | Pignataro, Mancini, et al., 1972 | LLK |
8.7 ± 0.1 | EI | McLafferty, Wachs, et al., 1970 | RDSH |
9.1 | PE | Pignataro, Mancini, et al., 1971 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H7+ | 10.6 | C7H7 | EI | McLafferty, Wachs, et al., 1970 | RDSH |
Gas Chromatography
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 140. | 1496.7 | Gerasimenko, Kirilenko, et al., 1981 | N2; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | OV-101 | 160. | 1509.3 | Gerasimenko, Kirilenko, et al., 1981 | N2; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | Apiezon L | 150. | 1546.3 | Shlyakhov, Novikova, et al., 1979 | He; Column length: 20. m; Column diameter: 0.3 mm |
Packed | SE-30 | 200. | 1539. | Shlyakhov, Anvaer, et al., 1975 | |
Packed | Apiezon L | 150. | 1541. | Shlyakhov, Anvaer, et al., 1975 | |
Packed | Apiezon L | 170. | 1563. | Kríz, Popl, et al., 1974 |
Kovats' RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 2069. | Toda, Mihara, et al., 1983 | 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
Capillary | Carbowax 20M | 2072. | Toda, Mihara, et al., 1983 | 2. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1508.8 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1519.2 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1524.3 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1508.8 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1519.2 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1524.3 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1528. | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-WAX 57CB | 2070. | Baltes and Mevissen, 1988 | He, 50. C @ 5. min, 2. K/min; Column length: 50. m; Column diameter: 0.24 mm; Tend: 210. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 1525. | Radulovic, Blagojevic, et al., 2009 | 30. m/0.25 mm/0.25 μm, Helium, 5. K/min, 290. C @ 10. min; Tstart: 70. C |
Capillary | Ultra-1 | 1494. | Elizalde-González, Hutfliess, et al., 1996 | 50. m/0.2 mm/0.33 μm, H2, 3. K/min, 300. C @ 35. min; Tstart: 60. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1516. | Peng, 1996 | 30. m/0.53 mm/1.5 μm; Program: 40 0C (4 min) 8 0C/min -> 200 0C (1 min) 5 0C/min -> 280 0C (20 min) |
Capillary | Polydimethyl siloxanes | 1489. | Zenkevich and Chupalov, 1996 | Program: not specified |
Capillary | DB-1 | 1487. | Hathcock and Bertsch, 1993 | 100. m/0.25 mm/0.5 μm; Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 2061. | Peng, 1996 | 30. m/0.53 mm/1.0 μm; Program: 40 0C (4 min) 4 0C/min -> 200 0C (20 min) |
Capillary | DB-Wax | 2061. | Peng, Yang, et al., 1991 | Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP Sil 8 CB | 260.4 | Bundt, Herbel, et al., 1991 | 50. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 80. C; Tend: 300. C |
Capillary | SE-54 | 260.13 | Guillén, Blanco, et al., 1989 | 20. m/0.22 mm/0.20 μm, He, 4. K/min; Tstart: 50. C; Tend: 300. C |
Capillary | DB-5 | 260.49 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 258.9 | Aracil, Font, et al., 2005 | Column length: 60. m; Column diameter: 0.25 mm; Program: not specified |
Capillary | CP Sil 8 CB | 260.1 | Bundt, Herbel, et al., 1991 | 50. m/0.25 mm/0.25 μm, He; Program: not specified |
Capillary | CP Sil 8 CB | 260.1 | Bundt, Herbel, et al., 1991 | 50. m/0.25 mm/0.25 μm, He; Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Pignataro, Mancini, et al., 1972
Pignataro, S.; Mancini, V.; Innorta, G.; Distefano, G.,
Ionization energies and ring orbital interaction in diarylmethanes and diaryleth,
Z. Naturforsch., 1972, 27, 534. [all data]
McLafferty, Wachs, et al., 1970
McLafferty, F.W.; Wachs, T.; Lifshitz, C.; Innorta, G.; Irving, P.,
Substituent effects in unimolecular ion decompositions. XV. Mechanistic interpretations and the quasi-equilibrium theory,
J. Am. Chem. Soc., 1970, 92, 6867. [all data]
Pignataro, Mancini, et al., 1971
Pignataro, S.; Mancini, V.; Ridyard, J.N.A.; Lempka, H.J.,
Photoelectron energy spectra of molecules having classically non-conjugated π-systems,
Chem. Commun., 1971, 142. [all data]
Gerasimenko, Kirilenko, et al., 1981
Gerasimenko, V.A.; Kirilenko, A.V.; Nabivach, V.M.,
Capillary gas chromatography of aromatic compounds found in coal tar fractions,
J. Chromatogr., 1981, 208, 1, 9-16, https://doi.org/10.1016/S0021-9673(00)87953-4
. [all data]
Shlyakhov, Novikova, et al., 1979
Shlyakhov, A.F.; Novikova, N.V.; Koreshkova, R.I.,
Analysis of a petroleum fraction of bicycle aromatic hydrocarbons by gas capillary chromatography,
Ind. Lab (Engl. Transl.), 1979, 45, 2, 126-130. [all data]
Shlyakhov, Anvaer, et al., 1975
Shlyakhov, A.F.; Anvaer, B.I.; Zolotareva, O.V.; Romina, N.N.; Novikova, N.V.; Koreshkova, R.I.,
On the possibility of group indentification of hydrocarbons by gas chromatography from temperature coefficients of retention indices,
Zh. Anal. Khim., 1975, 30, 788-792. [all data]
Kríz, Popl, et al., 1974
Kríz, J.; Popl, M.; Mostecký, J.,
Retention indices of biphenyls and diphenylalkanes,
J. Chromatogr., 1974, 97, 1, 3-13, https://doi.org/10.1016/S0021-9673(01)97577-6
. [all data]
Toda, Mihara, et al., 1983
Toda, H.; Mihara, S.; Umano, K.; Shibamoto, T.,
Photochemical studies on jasmin oil,
J. Agric. Food Chem., 1983, 31, 3, 554-558, https://doi.org/10.1021/jf00117a022
. [all data]
Song, Lai, et al., 2003
Song, C.; Lai, W.-C.; Madhusudan Reddy, K.; Wei, B.,
Chapter 7. Temperature-programmed retention indices for GC and GC-MS of hydrocarbon fuels and simulated distillation GC of heavy oils
in Analytical advances for hydrocarbon research, Hsu,C.S., ed(s)., Kluwer Academic/Plenum Publishers, New York, 2003, 147-193. [all data]
Lai and Song, 1995
Lai, W.-C.; Song, C.,
Temperature-programmed retention indices for g.c. and g.c.-m.s. analysis of coal- and petroleum-derived liquid fuels,
Fuel, 1995, 74, 10, 1436-1451, https://doi.org/10.1016/0016-2361(95)00108-H
. [all data]
Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E.,
Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603
. [all data]
Baltes and Mevissen, 1988
Baltes, W.; Mevissen, L.,
Model reactions on roast aroma formation. VI. Volatile reaction products from the reaction of phenylalanine with glucose during cooking and roasting,
Z. Lebensm. Unters. Forsch., 1988, 187, 3, 209-214, https://doi.org/10.1007/BF01043341
. [all data]
Radulovic, Blagojevic, et al., 2009
Radulovic, N.S.; Blagojevic, P.D.; Palic, R.M.; Zlatkovic, B.K.; Stevanovic, B.M.,
Volatiles from vegetative organs of the paleoendemic resurrection plants Ramonda serbica Panc. and Ramonda nathaliae Panc. at Petrov,
J. Serb. Chem. Soc., 2009, 74, 1, 35-44, https://doi.org/10.2298/JSC0901035R
. [all data]
Elizalde-González, Hutfliess, et al., 1996
Elizalde-González, M.P.; Hutfliess, M.; Hedden, K.,
Retention index system, adsorption characteristics, and sructure correlations of polycyclic aromatic hydrocarbons in fuels,
J. Hi. Res. Chromatogr., 1996, 19, 6, 345-352, https://doi.org/10.1002/jhrc.1240190608
. [all data]
Peng, 1996
Peng, C.T.,
Gas chromatographic identification of aromatic hydrocarbons
in Liquid Scintillation Spectrometry, Cook, G.T.; Harkness, D.D.; MacKenzie, A.B.; Miller, B.F.; Scott, E.M., ed(s)., 1996, 221-232. [all data]
Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A.,
New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments,
Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]
Hathcock and Bertsch, 1993
Hathcock, S.; Bertsch, W.,
Analysis of volatiles associated with industrial scale processing of expanded polystyrene. Part II: Identification and quantitation,
J. Hi. Res. Chromatogr., 1993, 16, 11, 651-659, https://doi.org/10.1002/jhrc.1240161106
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Bundt, Herbel, et al., 1991
Bundt, J.; Herbel, W.; Steinhart, H.; Franke, S.; Francke, W.,
Structure-type separation of diesel fuels by solid phase extraction and identification of the two- and three-ring aromatics by capillary GC-mass spectrometry,
J. Hi. Res. Chromatogr., 1991, 14, 2, 91-98, https://doi.org/10.1002/jhrc.1240140205
. [all data]
Guillén, Blanco, et al., 1989
Guillén, M.D.; Blanco, J.; Bermejo, J.; Blanco, C.G.,
Temperature programmed retention indices of some PAHs on Capillary columns coated with OV-1701 and SE-54,
J. Hi. Res. Chromatogr., 1989, 12, 8, 552-554, https://doi.org/10.1002/jhrc.1240120816
. [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, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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