1-Pentene, 3,3-dimethyl-
- Formula: C7H14
- Molecular weight: 98.1861
- IUPAC Standard InChIKey: TXBZITDWMURSEF-UHFFFAOYSA-N
- CAS Registry Number: 3404-73-7
- 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: 3,3-Dimethyl-1-pentene; 3,3-dimethylpent-1-ene
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Phase change data
Go To: Top, Reaction thermochemistry data, IR Spectrum, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 350.4 ± 0.6 | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 138.740 | K | N/A | Streiff, Schultz, et al., 1957 | Uncertainty assigned by TRC = 0.04 K; TRC |
Tfus | 138.740 | K | N/A | Streiff, Schultz, et al., 1957 | Uncertainty assigned by TRC = 0.03 K; TRC |
Tfus | 138.770 | K | N/A | Streiff, Schultz, et al., 1957 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 8.01 | kcal/mol | N/A | Reid, 1972 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.89 | 321. | A | Stephenson and Malanowski, 1987 | Based on data from 306. to 374. K. See also Kkykj and Repas, 1973.; AC |
Reaction thermochemistry data
Go To: Top, Phase change data, IR Spectrum, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: H2 + C7H14 = C7H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -29.37 ± 0.24 | kcal/mol | Chyd | Rogers and Dejroongruang, 1989 | liquid phase; solvent: Cyclohexane |
IR Spectrum
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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
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Reaction thermochemistry data, IR 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. |
---|---|
NIST MS number | 909 |
Gas Chromatography
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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 | Methyl Silicone | 30. | 630.1 | Soják, Addová, et al., 2002 | He; Column length: 150. m; Column diameter: 0.250 mm |
Capillary | Squalane | 30. | 623.7 | Soják, Addová, et al., 2002 | He; Column length: 93. m; Column diameter: 0.250 mm |
Capillary | Squalane | 25. | 624. | Hilal, Carreira, et al., 1994 | |
Capillary | OV-101 | 40. | 631. | Laub and Purnell, 1988 | |
Capillary | OV-101 | 60. | 633. | Laub and Purnell, 1988 | |
Capillary | OV-101 | 80. | 635. | Laub and Purnell, 1988 | |
Capillary | OV-101 | 50. | 631.6 | Boneva and Dimov, 1986 | 100. m/0.27 mm/0.9 μm, N2 |
Capillary | OV-101 | 70. | 633.8 | Boneva and Dimov, 1986 | 100. m/0.27 mm/0.9 μm, N2 |
Capillary | Squalane | 50. | 626.4 | Boneva and Dimov, 1986 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 628.8 | Boneva and Dimov, 1986 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | DB-1 | 40. | 631. | Lubeck and Sutton, 1984 | 60. m/0.264 mm/0.25 μm, H2 |
Capillary | HP-PONA | 40. | 631. | Lubeck and Sutton, 1984 | 50. m/0.21 mm/0.5 μm, H2 |
Capillary | Squalane | 50. | 626. | Chretien and Dubois, 1976 | |
Capillary | Squalane | 100. | 628.4 | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 626. | Rijks, van den Berg, et al., 1974 | |
Capillary | Squalane | 50. | 626. | Rijks, van den Berg, et al., 1974 | |
Capillary | Squalane | 70. | 628. | Rijks, van den Berg, et al., 1974 | |
Capillary | Squalane | 70. | 629. | Rijks, van den Berg, et al., 1974 | |
Capillary | Squalane | 50. | 626. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 628. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 40. | 627. | Matukuma, 1969 | N2; Column length: 91.4 m; Column diameter: 0.25 mm |
Packed | Squalane | 27. | 624. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 627. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 630. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 632. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 621. | 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) |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 632.8 | Soják, Addová, et al., 2002 | He, 1. K/min; Column length: 150. m; Column diameter: 0.250 mm; Tstart: 30. C; Tend: 200. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 40. | 624.8 | Sojak, Addova, et al., 2000 | He; Column length: 93. m; Column diameter: 0.25 mm |
Capillary | Methyl Silicone | 50. | 628. | 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 | Petrocol DH | 617. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | SE-54 | 626. | Guan, Li, et al., 1995 | 60. C @ 2. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 632. | Chen and Feng, 2007 | Program: not specified |
Capillary | Polydimethyl siloxane | 630. | Junkes, Castanho, et al., 2003 | Program: not specified |
Capillary | Methyl Silicone | 620. | Spieksma, 1999 | Program: not specified |
References
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Streiff, Schultz, et al., 1957
Streiff, A.J.; Schultz, L.H.; Hulme, A.R.; Tucker, J.A.; Krouskop, N.C.; Rossini, F.D.,
Purification, Purity, and Freezing Points of 20 API Standard API Research Hydrocarbons,
Anal. Chem., 1957, 29, 361. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Kkykj and Repas, 1973
Kkykj, J.; Repas, M.,
Petrochemia, 1973, 13, 179. [all data]
Rogers and Dejroongruang, 1989
Rogers, D.W.; Dejroongruang, K.,
Enthalpies of hydrogenation of the dimethylpentenes, ethylpentenes, methylbutene, and trimethylbutene,
J. Chem. Thermodyn., 1989, 21, 1115-1120. [all data]
Soják, Addová, et al., 2002
Soják, L.; Addová, G.; Kubinec, R.; Kraus, A.; Hu, G.,
Gas chromatographic-mass spectrometric characterization of all acyclic C5-C7 alkenes from fluid catalytic cracked gasoline using polydimethylsiloxane and squalane stationary phases,
J. Chromatogr. A, 2002, 947, 1, 103-117, https://doi.org/10.1016/S0021-9673(01)01564-3
. [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]
Laub and Purnell, 1988
Laub, R.J.; Purnell, J.H.,
Specific retention volumes, retention indices, and family-plot regressions of aliphatic, alicyclic, and aromatic hydrocarbon solutes with OV-101 poly (dimethylsiloxane) stationary phase,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1988, 11, 9, 649-660, https://doi.org/10.1002/jhrc.1240110908
. [all data]
Boneva and Dimov, 1986
Boneva, S.; Dimov, N.,
Gas Chromatographic Retention Indices for Alkenes on OV-101 and Squalane Capillary Columns,
Chromatographia, 1986, 21, 3, 149-151, https://doi.org/10.1007/BF02311743
. [all data]
Lubeck and Sutton, 1984
Lubeck, A.J.; Sutton, D.L.,
Kovats Retention Indices of Selected Olefins on Bonded Phase Fused Silica Capillaries,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1984, 7, 9, 542-544, https://doi.org/10.1002/jhrc.1240070913
. [all data]
Chretien and Dubois, 1976
Chretien, J.R.; Dubois, J.-E.,
New Perspectives in the Prediction of Kovats Indices,
J. Chromatogr., 1976, 126, 171-189, https://doi.org/10.1016/S0021-9673(01)84071-1
. [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]
Rijks, van den Berg, et al., 1974
Rijks, J.A.; van den Berg, J.H.M.; Diependaal, J.P.,
Characterization of hydrocarbons in complex mixtures by two-dimensional precision gas chromatography,
J. Chromatogr., 1974, 91, 603-612, https://doi.org/10.1016/S0021-9673(01)97941-5
. [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]
Matukuma, 1969
Matukuma, A.,
Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data,
Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 1969, 7, 55-75. [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]
Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory,
Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [all data]
Sojak, Addova, et al., 2000
Sojak, L.; Addova, G.; Kubinec, R.; Ruman, J.; Hu, G.,
GC-MS characterization of all acyclic C5-C7 alkenes from FCC gasoline using squalane stationary phase,
Petroleum and Coal, 2000, 42, 3-4, 188-194. [all data]
Supelco, 2012
Supelco, CatalogNo. 24160-U,
Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]
Guan, Li, et al., 1995
Guan, Y.; Li, L.; Zhou, L.,
Live retention database for compound identification in capillary gas chromatography,
Chin. J. Chromatogr., 1995, 13, 5, 851-857. [all data]
Chen and Feng, 2007
Chen, Y.; Feng, C.,
QSPR study on gas chromatography retention index of some organic pollutants,
Comput. Appl. Chem. (China), 2007, 24, 10, 1404-1408. [all data]
Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F.,
Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies,
Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]
Spieksma, 1999
Spieksma, W.,
Determination of vapor liquid equilibrium from the Kovats retention index on dimethylsilicone using the Wilson mixing tool,
J. Hi. Res. Chromatogr., 1999, 22, 10, 565-588, https://doi.org/10.1002/(SICI)1521-4168(19991001)22:10<565::AID-JHRC565>3.0.CO;2-2
. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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