1,3,5,7,9-Pentaoxecane
- Formula: C5H10O5
- Molecular weight: 150.1299
- IUPAC Standard InChI: InChI=1S/C5H10O5/c1-6-2-8-4-10-5-9-3-7-1/h1-5H2
- IUPAC Standard InChIKey: QSBDXVOJNUPDPI-UHFFFAOYSA-N
- CAS Registry Number: 16528-92-0
- Chemical structure:
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Gas 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -186.38 ± 0.32 | kcal/mol | Ccb | Mansson, 1974 |
Phase change data
Go To: Top, Gas phase thermochemistry data, 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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 334. | K | N/A | Clegg and Melia, 1969 | Crystal phase 1 phase; Uncertainty assigned by TRC = 2. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 21.0 ± 0.1 | kcal/mol | C | Månsson, Jönsson, et al., 1974 | AC |
| ΔsubH° | 21.02 ± 0.13 | kcal/mol | C | Mansson, 1974 | ALS |
| ΔsubH° | 21.0 | kcal/mol | N/A | Mansson, 1974 | DRB |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 5.229 | 334. | DSC | Domalski and Hearing, 1996 | AC |
| 5.2342 | 334. | N/A | Clegg and Melia, 1969, 2 | DH |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 15.7 | 334. | Clegg and Melia, 1969, 2 | DH |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Mansson, 1974
Mansson, M.,
Non-bonded oxygen-oxygen interactions in 2,4,10-trioxa-adamantane and 1,3,5,7,9-pentoxecane,
Acta Chem. Scand., Ser. B, 1974, 28, 895-899. [all data]
Clegg and Melia, 1969
Clegg, G.A.; Melia, T.P.,
Heat capacity measurements on pentoxan,
Makromol. Chem., 1969, 130, 258-60. [all data]
Månsson, Jönsson, et al., 1974
Månsson, Margret; Jönsson, Lennart; Norrgård, Håkan; Pettersson, Barbro; Guthenberg, Claes; Mannervik, Bengt,
Non-bonded Oxygen-Oxygen Interactions in 2,4,10-Trioxa-adamantane and 1,3,5,7,9-Pentoxecane.,
Acta Chem. Scand., 1974, 28b, 895-899, https://doi.org/10.3891/acta.chem.scand.28b-0895
. [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]
Clegg and Melia, 1969, 2
Clegg, G.A.; Melia, T.P.,
Heat capacity measurements on pentoxan,
Makromol. Chem., 1969, 130, 258-260. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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