Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

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

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change data

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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein 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, 1983Crystal 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
Deltasub63.2 ± 1.2kJ/molVMaskill and Steele, 1983, 2ALS
Deltasub63.2kJ/molN/AMaskill and Steele, 1983, 2DRB

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
3.430390.15Maskill and Steele, 1983, 2DH
3.43390.Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
8.8390.15Maskill and Steele, 1983, 2DH

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
7.200302.17crystaline, IIcrystaline, IMaskill and Steele, 1983, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
24.302.17crystaline, II, Solidcrystaline, I, plasticMaskill and Steele, 1983, 2DH

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:


References

Go To: Top, Phase change data, 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, 481-7. [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]

Maskill and Steele, 1983, 2
Maskill, H.; Steele, W.V., A thermochemical study of tri-tert-butylmethanol, J. Chem. Thermodyn., 1983, 15, 481-487. [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, Phase change data, References