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2-Heptanol, 2-methyl-

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Condensed phase thermochemistry data

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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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
337.6298.5Cline and Andrews, 1931T = 102 to 311 K. Value is unsmoothed experimental datum.

Phase change data

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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 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
Tboil432. ± 6.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Deltavap62.9 ± 0.2kJ/molGSRoganov, Pisarev, et al., 2005Based on data from 275. - 314. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
340.20.020Weast and Grasselli, 1989BS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
53.1358.AStephenson and Malanowski, 1987Based on data from 343. - 430. K.; AC
55.354.N/AWilhoit and Zwolinski, 1973Based on data from 339. - 429. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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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IR 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 Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

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Download spectrum in JCAMP-DX format.

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 CONTINENTAL OIL COMPANY, PONCA CITY, OKLAHOMA, USA
NIST MS number 27544

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApolane130.885.Dutoit, 1991Column length: 3.7 m
PackedApolane70.879.9Riedo, Fritz, et al., 1976He, Chromosorb; Column length: 2.4 m
PackedSE-30100.920.Pías and Gascó, 1975Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m
PackedSE-30120.919.Pías and Gascó, 1975Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m
PackedSE-30140.920.Pías and Gascó, 1975Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedSE-30100.920.Zhou and Wu, 2007Column length: 1. m
PackedSE-30100.920.Pias Barbeira and Gasco, 1975Argon, Chromosorb W AW DMCS (80-100 mesh); Column length: 1. m

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryMethyl Silicone920.Chen and Feng, 2007Program: not specified
CapillaryMethyl Silicone916.Feng and Mu, 2007Program: not specified
CapillaryMethyl Silicone920.Kou, Zhang, et al., 2006Program: not specified
CapillaryMethyl Silicone920.Fu and Wang, 2004Program: not specified
CapillaryPolydimethyl siloxane916.Junkes, Castanho, et al., 2003Program: not specified
CapillaryMethyl Silicone916.Estrada and Gutierrez, 1999Program: not specified

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySOLGel-Wax1265.Johanningsmeier and McFeeters, 201130. m/0.25 mm/0.25 «mu»m, Helium; Program: 40 0C (2 min) 5 0C/min -> 140 0C 10 0C/min -> 250 0C (3 min)
CapillaryDB-Wax1280.Peng, Yang, et al., 1991Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Phase change 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.

Cline and Andrews, 1931
Cline, J.K.; Andrews, D.H., Thermal energy studies. III. The octanols, J. Am. Chem. Soc., 1931, 53, 3668-3673. [all data]

Roganov, Pisarev, et al., 2005
Roganov, Gennady N.; Pisarev, Pavel N.; Emel'yanenko, Vladimir N.; Verevkin, Sergey P., Measurement and Prediction of Thermochemical Properties. Improved Benson-Type Increments for the Estimation of Enthalpies of Vaporization and Standard Enthalpies of Formation of Aliphatic Alcohols, J. Chem. Eng. Data, 2005, 50, 4, 1114-1124, https://doi.org/10.1021/je049561m . [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]

Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]

Dutoit, 1991
Dutoit, J., Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases, J. Chromatogr., 1991, 555, 1-2, 191-204, https://doi.org/10.1016/S0021-9673(01)87179-X . [all data]

Riedo, Fritz, et al., 1976
Riedo, F.; Fritz, D.; Tarján, G.; Kováts, E.Sz., A tailor-made C87 hydrocarbon as a possible non-polar standard stationary phase for gas chromatography, J. Chromatogr., 1976, 126, 63-83, https://doi.org/10.1016/S0021-9673(01)84063-2 . [all data]

Pías and Gascó, 1975
Pías, J.B.; Gascó, L., GC Retention Data of Alcohols and Benzoyl Derivatives of Alcohols, J. Chromatogr. - Chrom. Data, 1975, d14-d16. [all data]

Zhou and Wu, 2007
Zhou, L.; Wu, Q., Model of artificial neural network for quantitative structure-retention relations of saturated alcohols, J. Southwest Univ. (Nat. Sci. Edn.), 2007, 33, 6, 1369-1372. [all data]

Pias Barbeira and Gasco, 1975
Pias Barbeira, J.B.; Gasco, L., Indice de retencion de algunos alcoholes y de sus derivados benzoilados a partir de datos de selectividad, Quimica Analitica, 1975, 29, 6, 354-359. [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]

Feng and Mu, 2007
Feng, H.; Mu, L.-L., Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index, Chem. Ind. Engineering (Chinese), 2007, 24, 2, 161-168. [all data]

Kou, Zhang, et al., 2006
Kou, J.; Zhang, S.; Hu, Y.; Qiao, H.; Li, J., Stidy on the relationships between structures and gas chromatographic retention indices of alcohols, Comput. Appl. Chem. (Chinese), 2006, 23, 7, 651-654. [all data]

Fu and Wang, 2004
Fu, S.-P.; Wang, Y.-Q., Estimation and prediction of gas chromatographic retention indices of alcohols by molecular electronegativity-distance vector, J. Chongqing Univ., 2004, 27, 6, 106-109. [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]

Estrada and Gutierrez, 1999
Estrada, E.; Gutierrez, Y., Modeling chromatographic parameters by a novel graph theoretical sub-structural approach, J. Chromatogr. A, 1999, 858, 2, 187-199, https://doi.org/10.1016/S0021-9673(99)00808-0 . [all data]

Johanningsmeier and McFeeters, 2011
Johanningsmeier, S.D.; McFeeters, R.F., Detection of volatile spoilage metabolites in fermented cucumbers using nontargeted, comprehensive 2-dimensional gas chromatography-time-of-flight mass spectrometry (GCxGCxTOFMS), J. Food Sci., 2011, 76, 1, c168-c177, https://doi.org/10.1111/j.1750-3841.2010.01918.x . [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]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References