trans-1-Ethyl-2-methyl-cyclopentane
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChIKey: BSKOLJVTLRLTHE-YUMQZZPRSA-N
- CAS Registry Number: 930-90-5
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: 1-methyl-trans-2-ethylcyclopentane; Cyclopentane, 1-ethyl-2-methyl-, trans-; 1-ethyl-2-methyl(trans)-cyclopentane; Cyclopentane, 2-ethyl-1-methyl, trans; 1-Ethyl-2-methylcyclopentane, trans; 1-ethyl-2(trans)-methylcyclopentane
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Kovats' RI, non-polar column, isothermal
Go To: Top, 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
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-101 | Squalane | DB-1 | PONA | DB-1 |
Column length (m) | |||||
Carrier gas | H2 | H2 | H2 | ||
Substrate | |||||
Column diameter (mm) | |||||
Phase thickness (μm) | 0.25 | 0.5 | 1. | ||
Temperature (C) | 0. | 25. | 60. | 60. | 60. |
I | 779. | 788. | 791.8 | 791.8 | 792.2 |
Reference | Skrbic, 1997 | Hilal, Carreira, et al., 1994 | Krupcik, Skacani, et al., 1994 | Krupcik, Skacani, et al., 1994 | Krupcik, Skacani, et al., 1994 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-101 | Squalane | Squalane | OV-101 | OV-101 |
Column length (m) | 50. | 50. | 100. | 100. | |
Carrier gas | H2 | He | He | ||
Substrate | |||||
Column diameter (mm) | 0.22 | 0.22 | 0.27 | 0.27 | |
Phase thickness (μm) | 0.2 | 0.9 | 0.9 | ||
Temperature (C) | 60. | 50. | 70. | 40. | 50. |
I | 791.9 | 790. | 794.2 | 787.1 | 789.1 |
Reference | Krupcik, Skacani, et al., 1994 | Lunskii and Paizanskaya, 1988 | Lunskii and Paizanskaya, 1988 | Boneva and Dimov, 1986 | Boneva and Dimov, 1986 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-101 | OV-101 | Squalane | DB-1 | DB-1 |
Column length (m) | 100. | 100. | 180. | 60. | 60. |
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.27 | 0.27 | 0.25 | 0.264 | 0.259 |
Phase thickness (μm) | 0.9 | 0.9 | 1. | ||
Temperature (C) | 60. | 70. | 50. | 60. | 60. |
I | 791.1 | 793.1 | 791.2 | 791.8 | 792.2 |
Reference | Boneva and Dimov, 1986 | Boneva and Dimov, 1986 | Krupcik, Cellar, et al., 1986 | Lubeck and Sutton, 1983 | Lubeck and Sutton, 1983 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-101 | OV-101 | SF-96 | Squalane | Squalane |
Column length (m) | 100. | 55. | 91.4 | 100. | 100. |
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.27 | 0.27 | 0.31 | 0.25 | 0.25 |
Phase thickness (μm) | 0.20 | 0.9 | 0.20 | ||
Temperature (C) | 50. | 50. | 50. | 100. | 60. |
I | 789. | 789. | 789. | 801. | 793. |
Reference | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 | Dielmann, Schwengers, et al., 1974 | Dielmann, Schwengers, et al., 1974 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Vacuum Grease Oil (VM-4) | Vacuum Grease Oil (VM-4) | Vacuum Grease Oil (VM-4) |
Column length (m) | 100. | 50. | |||
Carrier gas | H2 | ||||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.2 | |||
Phase thickness (μm) | |||||
Temperature (C) | 80. | 100. | 35. | 45. | 50. |
I | 797. | 800. | 789. | 792. | 793. |
Reference | Dielmann, Schwengers, et al., 1974 | Mitra, Mohan, et al., 1974 | Sidorov, Petrova, et al., 1972 | Sidorov, Petrova, et al., 1972 | Sidorov, Petrova, et al., 1972 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Packed | Packed | Packed |
---|---|---|---|---|---|
Active phase | Vacuum Grease Oil (VM-4) | Vacuum Grease Oil (VM-4) | Vacuum Grease Oil (VM-4) | SE-30 | Squalane |
Column length (m) | 6.1 | 15. | |||
Carrier gas | N2 | He | |||
Substrate | Chromosorb W | Chromosorb P | |||
Column diameter (mm) | 0.25 | ||||
Phase thickness (μm) | |||||
Temperature (C) | 58. | 68. | 35. | 130. | 27. |
I | 795. | 797. | 789. | 811. | 787. |
Reference | Sidorov, Petrova, et al., 1972 | Sidorov, Petrova, et al., 1972 | Sidorov, Ivanova, et al., 1971 | Mitra and Saha, 1970 | Hively and Hinton, 1968 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed |
---|---|---|---|
Active phase | Squalane | Squalane | Squalane |
Column length (m) | 15. | 15. | 15. |
Carrier gas | He | He | He |
Substrate | Chromosorb P | Chromosorb P | Chromosorb P |
Column diameter (mm) | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | |||
Temperature (C) | 49. | 67. | 86. |
I | 791. | 795. | 799. |
Reference | Hively and Hinton, 1968 | Hively and Hinton, 1968 | Hively and Hinton, 1968 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' RI, non-polar column, isothermal, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Skrbic, 1997
Skrbic, B.D.,
Unified retention concept -- statistical treatment of Kováts retention index,
J. Chromatogr. A, 1997, 764, 2, 257-264, https://doi.org/10.1016/S0021-9673(96)00955-7
. [all data]
Hilal, Carreira, et al., 1994
Hilal, S.H.; Carreira, L.A.; Karickhoff, S.W.; Melton, C.M.,
Estimation of Gas-Liquid Chromatographic Retention Times from Molecular Structure,
J. Chromatogr. A, 1994, 662, 2, 269-280, https://doi.org/10.1016/0021-9673(94)80515-6
. [all data]
Krupcik, Skacani, et al., 1994
Krupcik, J.; Skacani, I.; Benicka, E.; Sandra, P.,
Dependence of gas chromatographic retention data of hydrocarbons on the film thickness of the polydimethylsiloxane stationary phase,
Collect. Czech. Chem. Commun., 1994, 59, 11, 2390-2396, https://doi.org/10.1135/cccc19942390
. [all data]
Lunskii and Paizanskaya, 1988
Lunskii, M.Kh.; Paizanskaya, I.L.,
Identification of hydrocarbons C1-C9 of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate,
Zh. Anal. Khim., 1988, 43, 127-135. [all data]
Boneva and Dimov, 1986
Boneva, S.; Dimov, N.,
Unified retention index of hydrocarbons separated on dimethylsilicone OV-101,
Chromatographia, 1986, 21, 12, 697-700, https://doi.org/10.1007/BF02313682
. [all data]
Krupcik, Cellar, et al., 1986
Krupcik, J.; Cellar, P.; Repka, D.; Garaj, J.; Guiochon, G.,
Use of Kováts retention indices for characterization of solutes in linear temperature-programmed capillary gas-liquid chromatography,
J. Chromatogr., 1986, 351, 111-121, https://doi.org/10.1016/S0021-9673(01)83477-4
. [all data]
Lubeck and Sutton, 1983
Lubeck, A.J.; Sutton, DL.,
Kovats retention indices of selected hydrocarbons through C10 on bonded phase fused silica capillaries,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 6, 328-332, https://doi.org/10.1002/jhrc.1240060612
. [all data]
Johansen and Ettre, 1982
Johansen, N.G.; Ettre, L.S.,
Retention index values of hydrocarbons on open-tubular columns coated with methylsilicone liquid phases,
Chromatographia, 1982, 15, 10, 625-630, https://doi.org/10.1007/BF02279488
. [all data]
Dielmann, Schwengers, et al., 1974
Dielmann, G.; Schwengers, D.; Schomburg, G.,
Gas-chromatographische Retentionsdaten und Strukture chemischer Verbindungen Gesättigte und ungesättigte alkylsubstituierte Cyclopentane und Methylcyclopentane,
Chromatographia, 1974, 7, 5, 215-224, https://doi.org/10.1007/BF02321771
. [all data]
Mitra, Mohan, et al., 1974
Mitra, G.D.; Mohan, G.; Sinha, A.,
Gas chromatographic analysis of complex hydrocarbon mixtures,
J. Chromatogr. A, 1974, 91, 633-648, https://doi.org/10.1016/S0021-9673(01)97944-0
. [all data]
Sidorov, Petrova, et al., 1972
Sidorov, R.I.; Petrova, V.I.; Ivanova, M.P.,
Qualitative analysis of wide-boiling fraction C5-C10 with capillary chromatography
in Processes in chromatographic columns. Vol.17, 1972, 14-25. [all data]
Sidorov, Ivanova, et al., 1971
Sidorov, R.I.; Ivanova, M.P.; Petrova, V.I.,
Temperature dependence of cycloalkane's retention and its using in identification of structure,
Gazovaya Khromatografiya, 1971, 15, 18-26. [all data]
Mitra and Saha, 1970
Mitra, G.D.; Saha, N.C.,
Determination of Retention Indices of Saturated Hydrocarbons by Graphical Methods,
J. Chromatogr. Sci., 1970, 8, 2, 95-102, https://doi.org/10.1093/chromsci/8.2.95
. [all data]
Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E.,
Variation of the retention index with temperature on squalane substrates,
J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203
. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, isothermal, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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