Benzene-hexa-n-hexanoate
- Formula: C42H66O12
- Molecular weight: 762.9662
- IUPAC Standard InChIKey: GUERWKLSTJCDLZ-UHFFFAOYSA-N
- CAS Registry Number: 65201-69-6
- Chemical structure:
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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:
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 |
---|---|---|---|---|---|
Ttriple | 368.74 | K | N/A | Sorai, Tsuji, et al., 1980 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Ttriple | 368.74 | K | N/A | Sorai, Tsuji, et al., 1979 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.01 | 368.7 | AC | Domalski and Hearing, 1996 | Based on data from 13. to 393. K.; AC |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
6.1341 | 251.58 | crystaline, IV | crystaline, III | Sorai, Tsuji, et al., 1980, 2 | DH |
2.9331 | 291.46 | crystaline, III | crystaline, II | Sorai, Tsuji, et al., 1980, 2 | Anomalous transition.; DH |
3.8860 | 348.27 | crystaline, II | crystaline, I | Sorai, Tsuji, et al., 1980, 2 | DH |
8.0069 | 368.74 | crystaline, I | liquid | Sorai, Tsuji, et al., 1980, 2 | DH |
6.1329 | 251.58 | crystaline, IV | crystaline, III | Sorai, Tsuji, et al., 1979, 2 | DH |
2.9326 | 291.46 | crystaline, III | crystaline, II | Sorai, Tsuji, et al., 1979, 2 | DH |
3.8862 | 348.27 | crystaline, II | crystaline, I | Sorai, Tsuji, et al., 1979, 2 | DH |
8.0067 | 368.74 | crystaline, I | liquid | Sorai, Tsuji, et al., 1979, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
24.55 | 251.58 | crystaline, IV, Transition has a large amount of first | crystaline, III, order character | Sorai, Tsuji, et al., 1980, 2 | DH |
11.16 | 291.46 | crystaline, III | crystaline, II | Sorai, Tsuji, et al., 1980, 2 | Anomalous; DH |
11.16 | 348.27 | crystaline, II | crystaline, I | Sorai, Tsuji, et al., 1980, 2 | DH |
21.72 | 368.74 | crystaline, I | liquid | Sorai, Tsuji, et al., 1980, 2 | DH |
24.539 | 251.58 | crystaline, IV | crystaline, III | Sorai, Tsuji, et al., 1979, 2 | DH |
11.02 | 291.46 | crystaline, III | crystaline, II | Sorai, Tsuji, et al., 1979, 2 | DH |
11.16 | 348.27 | crystaline, II | crystaline, I | Sorai, Tsuji, et al., 1979, 2 | DH |
21.72 | 368.74 | crystaline, I | liquid | Sorai, Tsuji, et al., 1979, 2 | DH |
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.
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, 33-57. [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)
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]
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, 33-58. [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),
Liq. Cryst., 1979, Proc. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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