Cyclopentane, 1,1,3-trimethyl-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChIKey: OBKHYUIZSOIEPG-UHFFFAOYSA-N
- CAS Registry Number: 4516-69-2
- 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: 1,1,3-Trimethylcyclopentane
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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 | Squalane | Squalane | Nonpolar |
Column length (m) | 50. | 50. | |||
Carrier gas | He | He | |||
Substrate | |||||
Column diameter (mm) | 0.22 | 0.22 | |||
Phase thickness (μm) | |||||
Temperature (C) | 0. | 25. | 50. | 70. | 45. |
I | 714. | 719. | 723.1 | 727.1 | 723. |
Reference | Skrbic, 1997 | Hilal, Carreira, et al., 1994 | Lunskii and Paizanskaya, 1988 | Lunskii and Paizanskaya, 1988 | Stoyanov and Dimov, 1987 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Nonpolar | Nonpolar | OV-101 | OV-101 | OV-101 |
Column length (m) | 100. | 100. | 100. | ||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.27 | 0.27 | 0.27 | ||
Phase thickness (μm) | 0.9 | 0.9 | 0.9 | ||
Temperature (C) | 52.5 | 60. | 40. | 50. | 60. |
I | 724. | 726. | 721.8 | 723.7 | 725.7 |
Reference | Stoyanov and Dimov, 1987 | Stoyanov and Dimov, 1987 | Boneva and Dimov, 1986 | 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 | Squalane | OV-101 | OV-101 | OV-101 |
Column length (m) | 100. | 180. | |||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.27 | 0.25 | |||
Phase thickness (μm) | 0.9 | ||||
Temperature (C) | 70. | 50. | 30. | 40. | 50. |
I | 727.5 | 723.7 | 719. | 721. | 723. |
Reference | Boneva and Dimov, 1986 | Krupcik, Cellar, et al., 1986 | Chien, Furio, et al., 1983 | Chien, Furio, et al., 1983 | Chien, Furio, et al., 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 | OV-101 | DB-1 | DB-1 |
Column length (m) | 60. | 60. | |||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.264 | 0.259 | |||
Phase thickness (μm) | 1. | ||||
Temperature (C) | 60. | 70. | 80. | 60. | 60. |
I | 725. | 727. | 729. | 726. | 726.1 |
Reference | Chien, Furio, et al., 1983 | Chien, Furio, et al., 1983 | Chien, Furio, et al., 1983 | 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 | 120. | 120. |
Carrier gas | He | He | |||
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. | 100. |
I | 724. | 724. | 724. | 725.5 | 724.8 |
Reference | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 | Lulova, Leont'eva, et al., 1976 | Lulova, Leont'eva, et al., 1976 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | Vacuum Grease Oil (VM-4) | Vacuum Grease Oil (VM-4) |
Column length (m) | 50. | 100. | 100. | ||
Carrier gas | H2 | N2 | N2 | ||
Substrate | |||||
Column diameter (mm) | 0.2 | 0.25 | 0.25 | ||
Phase thickness (μm) | |||||
Temperature (C) | 100. | 50. | 70. | 35. | 45. |
I | 736. | 724. | 728. | 720. | 722. |
Reference | Mitra, Mohan, et al., 1974 | Rijks and Cramers, 1974 | Rijks and Cramers, 1974 | 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 | Capillary | Packed | Capillary |
---|---|---|---|---|---|
Active phase | Vacuum Grease Oil (VM-4) | Vacuum Grease Oil (VM-4) | Vacuum Grease Oil (VM-4) | Squalane | Squalane |
Column length (m) | 3. | 100. | |||
Carrier gas | N2 | ||||
Substrate | Chromosorb W | ||||
Column diameter (mm) | 0.25 | ||||
Phase thickness (μm) | |||||
Temperature (C) | 50. | 58. | 68. | 50. | 70. |
I | 724. | 726. | 728. | 724.6 | 724. |
Reference | Sidorov, Petrova, et al., 1972 | Sidorov, Petrova, et al., 1972 | Sidorov, Petrova, et al., 1972 | Takács, Tálas, et al., 1972 | Dimov and Schopov, 1971 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed | Packed | Packed |
---|---|---|---|---|---|
Active phase | Vacuum Grease Oil (VM-4) | SE-30 | Squalane | Squalane | Squalane |
Column length (m) | 6.1 | 15. | 15. | 15. | |
Carrier gas | N2 | He | He | He | |
Substrate | Chromosorb W | Chromosorb P | Chromosorb P | Chromosorb P | |
Column diameter (mm) | 0.25 | 0.25 | 0.25 | ||
Phase thickness (μm) | |||||
Temperature (C) | 35. | 130. | 27. | 49. | 67. |
I | 720. | 740. | 720. | 724. | 727. |
Reference | Sidorov, Ivanova, et al., 1971 | Mitra and Saha, 1970 | Hively and Hinton, 1968 | Hively and Hinton, 1968 | Hively and Hinton, 1968 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed |
---|---|
Active phase | Squalane |
Column length (m) | 15. |
Carrier gas | He |
Substrate | Chromosorb P |
Column diameter (mm) | 0.25 |
Phase thickness (μm) | |
Temperature (C) | 86. |
I | 731. |
Reference | Hively and Hinton, 1968 |
Comment | 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]
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]
Stoyanov and Dimov, 1987
Stoyanov, E.; Dimov, N.,
Precalculation of the optimum column temperature for gas chromatographic separation of petroleum fractions,
Anal. Chim. Acta., 1987, 201, 207-216, https://doi.org/10.1016/S0003-2670(00)85338-6
. [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]
Chien, Furio, et al., 1983
Chien, C.-F.; Furio, D.L.; Kopecni, M.M.; Laub, R.J.,
Specific Retention Volumes and Retention Indices of Selected Hydrocarbon Solutes with OV-101 and SP-2100 Polydimethylsiloxane Solvents,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 10, 577-580, https://doi.org/10.1002/jhrc.1240061013
. [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]
Lulova, Leont'eva, et al., 1976
Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N.,
Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines
in Proceedings of All-Union Research Institute on Oil Processes. Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. [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]
Rijks and Cramers, 1974
Rijks, J.A.; Cramers, C.A.,
High precision capillary gas chromatography of hydrocarbons,
Chromatographia, 1974, 7, 3, 99-106, https://doi.org/10.1007/BF02269819
. [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]
Takács, Tálas, et al., 1972
Takács, J.; Tálas, Zs.; Bernáth, I.; Czakó, Gy.; Fischer, A.,
Contribution to the theory of the retention index system. IV. Retention index and molecular structure. Calculation of retention indices of olefins, cyclic hydrocarbons and homologues of benzene hydrocarbons on the basis of their molecular structures,
J. Chromatogr., 1972, 67, 2, 203-212, https://doi.org/10.1016/S0021-9673(01)91222-1
. [all data]
Dimov and Schopov, 1971
Dimov, N.; Schopov, D.,
Empirische korrektion der physikalisch-chemischen retentionsindexe von kohlenwasserstoffen auf squalan,
J. Chromatogr., 1971, 63, 223-228, https://doi.org/10.1016/S0021-9673(01)85634-X
. [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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