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3-Pentanol, 3-(1,1-dimethylethyl)-2,2,4,4-tetramethyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-98.02 ± 0.96kcal/molCcbMaskill and Steele, 1983 

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafsolid-113.1 ± 0.91kcal/molCcbMaskill and Steele, 1983ALS
Quantity Value Units Method Reference Comment
Deltacsolid-2065.9 ± 0.91kcal/molCcbMaskill and Steele, 1983Corresponding «DELTA»fsolid = -113.1 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
83.80298.15Maskill and Steele, 1983Cp given as 1.75 J/g*K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus390.15KN/AMaskill and Steele, 1983, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Tfus368.KN/ABartlett and Schneider, 1945Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Deltasub15.1 ± 0.29kcal/molVMaskill and Steele, 1983ALS
Deltasub15.1kcal/molN/AMaskill and Steele, 1983DRB

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
0.8198390.15Maskill and Steele, 1983DH
0.820390.Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
2.1390.15Maskill and Steele, 1983DH

Enthalpy of phase transition

DeltaHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.721302.17crystaline, IIcrystaline, IMaskill and Steele, 1983DH

Entropy of phase transition

DeltaStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
5.7302.17crystaline, II, Solidcrystaline, I, plasticMaskill and Steele, 1983DH

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:


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 D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 63736

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Maskill and Steele, 1983
Maskill, H.; Steele, W.V., A thermochemical study of tri-tert-butylmethanol, J. Chem. Thermodyn., 1983, 15, 481-487. [all data]

Maskill and Steele, 1983, 2
Maskill, H.; Steele, W.V., A thermochemical study of tri-tert-butylmethanol, J. Chem. Thermodyn., 1983, 15, 481-7. [all data]

Bartlett and Schneider, 1945
Bartlett, P.D.; Schneider, A., The Synthesis of Tri-t-butylcarbinol and Other Highly Branched Alcohols by Means of Sodium, J. Am. Chem. Soc., 1945, 67, 141. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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