3-Pentanol, 2,2-dimethyl-

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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
Tboil409. ± 6.KAVGN/AAverage of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus282.45KN/ABoord, Greenlee, et al., 1949Uncertainty assigned by TRC = 0.5 K; TRC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
12.3333.Wilhoit and Zwolinski, 1973Based on data from 318. to 411. 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:


Reaction 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: John E. Bartmess

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

C7H15O- + Hydrogen cation = 3-Pentanol, 2,2-dimethyl-

By formula: C7H15O- + H+ = C7H16O

Quantity Value Units Method Reference Comment
Δr369.8 ± 2.0kcal/molD-EAMihalick, Gatev, et al., 1996gas phase; Derived BDE: 104.2±2.8 kcal/mol
Δr370.0 ± 2.1kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr363.2 ± 2.2kcal/molH-TSMihalick, Gatev, et al., 1996gas phase; Derived BDE: 104.2±2.8 kcal/mol
Δr363.4 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

Fluorine anion + 3-Pentanol, 2,2-dimethyl- = (Fluorine anion • 3-Pentanol, 2,2-dimethyl-)

By formula: F- + C7H16O = (F- • C7H16O)

Quantity Value Units Method Reference Comment
Δr33.80kcal/molN/AMihalick, Gatev, et al., 1996gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.

Gas phase ion energetics 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: John E. Bartmess

De-protonation reactions

C7H15O- + Hydrogen cation = 3-Pentanol, 2,2-dimethyl-

By formula: C7H15O- + H+ = C7H16O

Quantity Value Units Method Reference Comment
Δr369.8 ± 2.0kcal/molD-EAMihalick, Gatev, et al., 1996gas phase; Derived BDE: 104.2±2.8 kcal/mol
Δr370.0 ± 2.1kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr363.2 ± 2.2kcal/molH-TSMihalick, Gatev, et al., 1996gas phase; Derived BDE: 104.2±2.8 kcal/mol
Δr363.4 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

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

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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 CHEMICAL SAMPLES COMPANY
NIST MS number 31029

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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

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedSE-30100.814.Pías and Gascó, 1975Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m
PackedSE-30120.815.Pías and Gascó, 1975Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m
PackedSE-30140.817.Pías and Gascó, 1975Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m

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

View large format table.

Column type Active phase I Reference Comment
CapillaryMethyl Silicone814.Chen and Feng, 2007Program: not specified
CapillaryMethyl Silicone814.Kou, Zhang, et al., 2006Program: not specified
CapillaryMethyl Silicone814.Fu and Wang, 2004Program: not specified
CapillaryPolydimethyl siloxane806.Junkes, Castanho, et al., 2003Program: not specified

References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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.

Boord, Greenlee, et al., 1949
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L.; Derfer, J.M., The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Eleventh Annu. Rep., Ohio State Univ., 1949. [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]

Mihalick, Gatev, et al., 1996
Mihalick, J.E.; Gatev, G.G.; Brauman, J.I., Electron Photodetachment Spectroscopy of Solvated Anions: RO.HF- or ROH.F-?, J. Am. Chem. Soc., 1996, 118, 49, 12424, https://doi.org/10.1021/ja954202k . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [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]

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]

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]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References