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Benzene-hexa-n-hexanoate

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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

Quantity Value Units Method Reference Comment
solid,1 bar329.83cal/mol*KN/ASorai, Tsuji, et al., 1980 

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
309.49298.15Sorai, Tsuji, et al., 1980T = 13 to 393 K.
310.7300.Sorai, Tsuji, et al., 1979T = 13 to 393 K. Data given graphically. Cp value is a graphical estimate.

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple368.74KN/ASorai, Tsuji, et al., 1980, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple368.74KN/ASorai, Tsuji, et al., 1979, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Method Reference Comment
8.01368.7ACDomalski and Hearing, 1996Based on data from 13. - 393. K.; AC

Enthalpy of phase transition

DeltaHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
6.1341251.58crystaline, IVcrystaline, IIISorai, Tsuji, et al., 1980DH
2.9331291.46crystaline, IIIcrystaline, IISorai, Tsuji, et al., 1980Anomalous transition.; DH
3.8860348.27crystaline, IIcrystaline, ISorai, Tsuji, et al., 1980DH
8.0069368.74crystaline, IliquidSorai, Tsuji, et al., 1980DH
6.1329251.58crystaline, IVcrystaline, IIISorai, Tsuji, et al., 1979DH
2.9326291.46crystaline, IIIcrystaline, IISorai, Tsuji, et al., 1979DH
3.8862348.27crystaline, IIcrystaline, ISorai, Tsuji, et al., 1979DH
8.0067368.74crystaline, IliquidSorai, Tsuji, et al., 1979DH

Entropy of phase transition

DeltaStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
24.55251.58crystaline, IV, Transition has a large amount of firstcrystaline, III, order characterSorai, Tsuji, et al., 1980DH
11.16291.46crystaline, IIIcrystaline, IISorai, Tsuji, et al., 1980Anomalous; DH
11.16348.27crystaline, IIcrystaline, ISorai, Tsuji, et al., 1980DH
21.72368.74crystaline, IliquidSorai, Tsuji, et al., 1980DH
24.539251.58crystaline, IVcrystaline, IIISorai, Tsuji, et al., 1979DH
11.02291.46crystaline, IIIcrystaline, IISorai, Tsuji, et al., 1979DH
11.16348.27crystaline, IIcrystaline, ISorai, Tsuji, et al., 1979DH
21.72368.74crystaline, IliquidSorai, Tsuji, et al., 1979DH

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

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

Sorai, Tsuji, et al., 1980
Sorai, M.; Tsuji, K.; Suga, H.; Seki, S., Studies on disc-like molecules. I. Heat capacity of benzene-hexa-n-hexanoate from 13 to 393 K, Mol. Cryst. Liq. Cryst., 1980, 80, 33-58. [all data]

Sorai, Tsuji, et al., 1979
Sorai, M.; Tsuji, K.; Suga, H.; Seki, S., Heat capacities of a disc-like mesogen and its precursor having a structure of benzene hexa-n-alkanoate (C6(OCO-n-CmH2m+1)6), Liq. Cryst., 1979, Proc. [all data]

Sorai, Tsuji, et al., 1980, 2
Sorai, M.; Tsuji, K.; Suga, H.; Seki, S., Studies on disc-like molecules I. Heat capacity of benzene-hexa-n-hexanoate from 13 to 393 K, Mol. Cryst. Liq. Cryst., 1980, 80, 33-57. [all data]

Sorai, Tsuji, et al., 1979, 2
Sorai, M.; Tsuji, K.; Suga, H.; Seki, S., Heat capacities of a disc-like mesogen and its precursor having a structure of benzene hexa-n-alkanoate (C6(OCO-n-CmH2m+1)6) in Liq. Cryst., Int. Liq. Cryst. Conf., 1979. [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

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