Cyclopentene
- Formula: C5H8
- Molecular weight: 68.1170
- IUPAC Standard InChIKey: LPIQUOYDBNQMRZ-UHFFFAOYSA-N
- CAS Registry Number: 142-29-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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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:
HL - Edward P. Hunter and Sharon G. Lias
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
View reactions leading to C5H8+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.01 ± 0.01 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 766.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 733.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.18 | PE | Kimura, Katsumata, et al., 1981 | LLK |
9.1 | EI | Harris, McKinnon, et al., 1979 | LLK |
9.01 ± 0.02 | PE | Bieri, Burger, et al., 1977 | LLK |
9.00 | EI | Lossing and Traeger, 1975 | LLK |
9.02 ± 0.01 | PE | Rang, Paldoia, et al., 1974 | LLK |
9.00 | EI | Holmes, 1974 | LLK |
9.01 ± 0.01 | PE | Praet and Delwiche, 1970 | RDSH |
9.02 ± 0.01 | PI | Demeo and El-Sayed, 1970 | RDSH |
9.01 | PE | Bischof and Heilbronner, 1970 | RDSH |
9.00 | PE | Dewar and Worley, 1969 | RDSH |
9.01 ± 0.01 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.20 | PE | Wiberg, Ellison, et al., 1976 | Vertical value; LLK |
9.01 ± 0.03 | PE | Heilbronner, Hoshi, et al., 1976 | Vertical value; LLK |
9.17 | PE | Bertoti, Cradock, et al., 1976 | Vertical value; LLK |
9.12 | PE | Hentrich, Gunkel, et al., 1974 | Vertical value; LLK |
9.18 | PE | Clary, Lewis, et al., 1974 | Vertical value; LLK |
9.20 | PE | Batich, Heilbronner, et al., 1974 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C4H5+ | 11.83 | CH3 | EI | Holmes, 1974 | LLK |
C5H7+ | 9.00 | H | EI | Lossing and Traeger, 1975, 2 | LLK |
C5H7+ | 10.98 | H | EI | Lossing and Traeger, 1975 | LLK |
C5H7+ | 10.98 | H | EI | Holmes, 1974 | LLK |
C5H7+ | 11.19 | H | EI | Pignataro, Cassuto, et al., 1967 | 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
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-3720 |
NIST MS number | 227659 |
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 | Pickett, Muntz, et al., 1951 |
---|---|
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. 47 |
Instrument | Hilger fluorite prism spectrograph |
Melting point | -135.1 |
Boiling point | 44.2 |
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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 100. | 561. | Diez, Guillen, et al., 1990 | N2; Column length: 25. m; Column diameter: 0.23 mm |
Capillary | OV-101 | 80. | 560. | Diez, Guillen, et al., 1990 | N2; Column length: 25. m; Column diameter: 0.23 mm |
Capillary | Squalane | 100. | 562.3 | Diez, Guillen, et al., 1990 | N2; Column length: 45. m; Column diameter: 0.5 mm |
Capillary | Squalane | 80. | 547.7 | Diez, Guillen, et al., 1990 | N2; Column length: 45. m; Column diameter: 0.5 mm |
Capillary | SE-54 | 100. | 569.5 | Diez, Guillen, et al., 1990 | N2; Column length: 25. m; Column diameter: 0.22 mm |
Capillary | SE-54 | 80. | 566.5 | Diez, Guillen, et al., 1990 | N2; Column length: 25. m; Column diameter: 0.22 mm |
Capillary | OV-1 | 27. | 550. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | OV-1 | 30. | 557. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | OV-1 | 75. | 557. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | Squalane | 50. | 550.1 | Papazova, Milina, et al., 1988 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | BP-1 | 100. | 562. | Bermejo, Blanco, et al., 1987 | N2; Column length: 12. m; Column diameter: 0.22 mm |
Capillary | BP-1 | 80. | 559. | Bermejo, Blanco, et al., 1987 | N2; Column length: 12. m; Column diameter: 0.22 mm |
Capillary | OV-101 | 100. | 561. | Bermejo, Blanco, et al., 1987 | N2; Column length: 25. m; Column diameter: 0.23 mm |
Capillary | OV-101 | 80. | 560. | Bermejo, Blanco, et al., 1987 | N2; Column length: 25. m; Column diameter: 0.23 mm |
Capillary | DB-1 | 40. | 554. | Lubeck and Sutton, 1984 | 60. m/0.264 mm/0.25 μm, H2 |
Capillary | HP-PONA | 40. | 554. | Lubeck and Sutton, 1984 | 50. m/0.21 mm/0.5 μm, H2 |
Packed | SE-30 | 100. | 565. | Winskowski, 1983 | Gaschrom Q; Column length: 2. m |
Capillary | SE-30 | 130. | 564. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | SE-30 | 80. | 558. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | Squalane | 50. | 549.3 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 549.5 | Bajus, Veselý, et al., 1979, 2 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 551.4 | Bajus, Veselý, et al., 1979, 2 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 557. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 27. | 547. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 30. | 545. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 50. | 548. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 67. | 553. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 70. | 551. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 80. | 551. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 86. | 555. | Bogoslovsky, Anvaer, et al., 1978 | |
Capillary | Squalane | 50. | 549.62 | Pacáková and Koslík, 1978 | 50. m/0.2 mm/0.5 μm, N2 |
Capillary | Squalane | 40. | 548.2 | Stopp, Engewald, et al., 1978 | Column length: 70. m; Column diameter: 0.23 mm |
Capillary | Squalane | 100. | 560. | Rang, Orav, et al., 1977 | Nitrogen or helium; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 557.9 | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 550. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 552. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 557. | Besson and Gäumann, 1973 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Apiezon L | 100. | 572. | Besson and Gäumann, 1973 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 27. | 545.48 | Schomburg and Dielmann, 1973 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 27. | 561.80 | Schomburg and Dielmann, 1973 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 30. | 549.6 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 550.7 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 555.5 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 30. | 550. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 551. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 556. | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Packed | SE-30 | 75. | 560. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m |
Packed | Squalane | 100. | 556. | Robinson and Odell, 1971 | N2, Embacel; Column length: 3.0 m |
Packed | Squalane | 27. | 547. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 550. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 553. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 556. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Capillary | Squalane | 120. | 559. | Schomburg, 1966 | |
Capillary | Squalane | 50. | 554. | Schomburg, 1966 | |
Capillary | Squalane | 80. | 552. | Schomburg, 1966 | |
Packed | Apiezon L | 70. | 565. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 557. | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Capillary | DB-1 | 553. | Hoekman, 1993 | 60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG 4000 | 100. | 705. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 60. | 693. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 80. | 701. | Rang, Orav, et al., 1988 | |
Capillary | PEG 4000 | 100. | 705. | Rang, Orav, et al., 1977 | Nitrogen or Helium; Column length: 45. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 100. | 704.9 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 60. | 693.3 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | Polyethylene Glycol 4000 | 80. | 700.7 | Eisen, Orav, et al., 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 100. | 704.4 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 60. | 693.3 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Capillary | PEG 4000 | 80. | 700.7 | Orav and Eisen, 1972 | Column length: 80. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 543. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 552. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Packed | SE-30 | 552. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Methyl Silicone | 50. | 550. | N/A | N2; Column length: 74.6 m; Column diameter: 0.28 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 548. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
Capillary | Petrocol DH | 556. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | PONA | 543. | Zhang, Ding, et al., 2009 | 50. m/0.20 mm/0.50 μm, Nitrogen, 35. C @ 15. min, 2. K/min, 200. C @ 10. min |
Capillary | DB-1 | 548. | Ramnas, Ostermark, et al., 1994 | 50. m/0.32 mm/1.0 μm, He, 2. K/min; Tstart: -20. C |
Capillary | DB-1 | 545. | Ciccioli, Cecinato, et al., 1992 | 60. m/0.32 mm/1.2 μm, He, 30. C @ 10. min, 3. K/min; Tend: 240. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 558. | Chen, 2008 | Program: not specified |
Capillary | Squalane | 560. | Chen, 2008 | Program: not specified |
Capillary | PONA | 557. | Perkin Elmer Instruments, 2002 | Column length: 100. m; Phase thickness: 0.50 μm; Program: not specified |
Capillary | Methyl Silicone | 581. | N/A | Program: not specified |
Capillary | DB-5 MS | 569. | Luo and Agnew, 2001 | 30. m/0.25 mm/1.0 μm, Helium; Program: not specified |
Capillary | Methyl Silicone | 555. | Zenkevich, 2000 | Program: not specified |
Capillary | Methyl Silicone | 554. | Spieksma, 1999 | Program: not specified |
Capillary | DB-1 | 540. | Ciccioli, Cecinato, et al., 1994 | 60. m/0.32 mm/0.25 μm; Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 558. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Packed | SE-30 | 555. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold) |
Packed | Squalane | 547. | Robinson and Odell, 1971 | N2, Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold) |
Packed | SE-30 | 555. | Robinson and Odell, 1971, 2 | Chrom W; Column length: 6.1 m; Program: 50C(10min) => 20C/min(2min) => 90C(6min) => 10C/min(6min) => (hold at 150C) |
Packed | Squalane | 547. | Robinson and Odell, 1971, 2 | Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min(5min) => 4C/min(15min) => (hold at 95C) |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 663. | Peng, Yang, et al., 1991 | 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.
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]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Harris, McKinnon, et al., 1979
Harris, D.; McKinnon, S.; Boyd, R.K.,
The origins of the base peak in the electron impact spectrum of limonene,
Org. Mass Spectrom., 1979, 14, 265. [all data]
Bieri, Burger, et al., 1977
Bieri, G.; Burger, F.; Heilbronner, E.; Maier, J.P.,
Valence ionization enrgies of hydrocarbons,
Helv. Chim. Acta, 1977, 60, 2213. [all data]
Lossing and Traeger, 1975
Lossing, F.P.; Traeger, J.C.,
Stabilization in cyclopentadienyl, cyclopentenyl, and cyclopentyl cations,
J. Am. Chem. Soc., 1975, 97, 1579. [all data]
Rang, Paldoia, et al., 1974
Rang, S.; Paldoia, P.; Talvari, A.,
Ionization potentials of unsaturated hydrocarbons. 2. Mono-substituted cyclopentenes and cyclohexenes,
Eesti. NSV Tead. Akad. Toim., 1974, 354. [all data]
Holmes, 1974
Holmes, J.L.,
The mass spectra of isomeric hydrocarbons - II: The C5H8 isomers, spiropentane, cyclopentene, 1,3-pentadiene and isoprene; the mechanisms and energetics of their fragmentations,
Org. Mass Spectrom., 1974, 8, 247. [all data]
Praet and Delwiche, 1970
Praet, M.-T.; Delwiche, J.,
Ionization energies of some cyclic molecules,
Chem. Phys. Lett., 1970, 5, 546. [all data]
Demeo and El-Sayed, 1970
Demeo, D.A.; El-Sayed, M.A.,
Ionization potential and structure of olefins,
J. Chem. Phys., 1970, 52, 2622. [all data]
Bischof and Heilbronner, 1970
Bischof, P.; Heilbronner, E.,
Photoelektron-Spektren von Cycloalkenen und Cycloalkadienen,
Helv. Chim. Acta, 1970, 53, 1677. [all data]
Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D.,
Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation,
J. Chem. Phys., 1969, 50, 654. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Wiberg, Ellison, et al., 1976
Wiberg, K.B.; Ellison, G.B.; Wendoloski, J.J.; Brundle, C.R.; Kuebler, N.A.,
Electronic states of organic molecules. 3. Photoelectron spectra of cycloalkenes and methylenecycloalkanes,
J. Am. Chem. Soc., 1976, 98, 7179. [all data]
Heilbronner, Hoshi, et al., 1976
Heilbronner, E.; Hoshi, T.; von Rosenberg, J.L.; Hafner, K.,
Alkyl-induced, natural hypsochromic shifts of the 2A←2X and 2B←2X transitions of azulene and naphthalene radical cations,
Nouv. J. Chim., 1976, 1, 105. [all data]
Bertoti, Cradock, et al., 1976
Bertoti, I.; Cradock, S.; Ebsworth, E.A.V.; Whiteford, R.A.,
Photoelectron spectra and transannular interactions in 1-silacyclopent-3-enes,
J. Chem. Soc. Dalton Trans., 1976, 937. [all data]
Hentrich, Gunkel, et al., 1974
Hentrich, G.; Gunkel, E.; Klessinger, M.,
Photoelektronenspektren organischer verbindungen. 4. Photoelektronenspektren ungesattigter carbonylverbindungen,
J. Mol. Struct., 1974, 21, 231. [all data]
Clary, Lewis, et al., 1974
Clary, D.C.; Lewis, A.A.; Morland, D.; Murrell, J.N.; Heilbronner, E.,
Ionization potentials of cycloalkenes,
J. Chem. Soc. Faraday Trans. 2, 1974, 70, 1889. [all data]
Batich, Heilbronner, et al., 1974
Batich, C.; Heilbronner, E.; Rommel, E.; Semmelhack, M.F.; Foos, J.S.,
Equivalence of the energy gaps {DELTA}I(1,2) and {DELTA}E(1,2) between corresponding bands in the photoelectron (I) and electronic absorption (E) spectra of spiro[4.4]nonatetraene. An amusing consequence of spiroconjugation,
J. Am. Chem. Soc., 1974, 96, 7662. [all data]
Lossing and Traeger, 1975, 2
Lossing, F.P.; Traeger, J.C.,
Free radicals by mass spectrometry XLVI. Heats of formation of C5H7 and C5H9 radicals and cations.,
J. Am. Chem. Soc., 1975, 19, 9. [all data]
Pignataro, Cassuto, et al., 1967
Pignataro, S.; Cassuto, A.; Lossing, F.P.,
Free radicals by mass spectrometry. XXXVI. Ionization potentials of conjugated and nonconjugated radicals,
J. Am. Chem. Soc., 1967, 89, 3693. [all data]
Pickett, Muntz, et al., 1951
Pickett, L.W.; Muntz, M.; McPherson, E.M.,
Vacuum ultraviolet absorption spectra of cyclic compounds. I. Cyclohexane, cyclohexene, cyclopentane, Cyclopentene and benzene,
J. Am. Chem. Soc., 1951, 73, 4862-4865. [all data]
Diez, Guillen, et al., 1990
Diez, M.A.; Guillen, M.D.; Blanco, C.G.; Bermejo, J.,
Chromatographic study of methylcyclopentadiene dimers and iso-dimers and determination of their boiling points,
J. Chromatogr., 1990, 508, 363-374, https://doi.org/10.1016/S0021-9673(00)91279-2
. [all data]
Heberger, 1990
Heberger, K.,
Identification of C5H8 Isomers Through Reactions of Singlet Methylene, CH2(ã1A1), with Unsaturated Hydrocarbons Using Capillary Gas Chromatography - Mass Spectrometry,
Analyst, 1990, 115, 6, 725-729, https://doi.org/10.1039/an9901500725
. [all data]
Papazova, Milina, et al., 1988
Papazova, D.; Milina, R.; Dimov, N.,
Comparative evaluation of retention of hydrocarbons present in the C5-petroleum fraction of methylsilicone and squalane phases,
Chromatographia, 1988, 25, 3, 177-180, https://doi.org/10.1007/BF02316441
. [all data]
Bermejo, Blanco, et al., 1987
Bermejo, J.; Blanco, C.G.; Diez, M.A.; Guillén, M.D.,
Kováts retention indices of selected mono and polycyclic olefins,
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Notes
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