Perfluorododecane
- Formula: C12F26
- Molecular weight: 638.0869
- IUPAC Standard InChI: InChI=1S/C12F26/c13-1(14,3(17,18)5(21,22)7(25,26)9(29,30)11(33,34)35)2(15,16)4(19,20)6(23,24)8(27,28)10(31,32)12(36,37)38
- IUPAC Standard InChIKey: WNZGTRLARPEMIG-UHFFFAOYSA-N
- CAS Registry Number: 307-59-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: hexacosafluorododecane; n-Perfluorododecane
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
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.
Condensed phase thermochemistry data
Go To: Top, Phase change 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 by: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 182.4 | cal/mol*K | N/A | Lebedev, Bykova, et al., 1993 |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 130.7 | 298.15 | Lebedev, Bykova, et al., 1993 | T = 0 to 320 K. |
Phase change data
Go To: Top, Condensed 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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 347.30 | K | N/A | Jin, Boller, et al., 1994 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
| Tfus | 348.5 | K | N/A | Starkweather, 1986 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC |
| Tfus | 348. | K | N/A | Starkweather, 1986 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC |
| Tfus | 347.6 | K | N/A | Smith. P. and Gardner, 1985 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
| Tfus | 348.2 | K | N/A | Segwichert, 1984 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.120 | 348.5 | DSC | Starkweather, 1986, 2 | AC |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 9.689 | 170.2 | Starkweather, 1986 | CAL |
| 26.17 | 348.5 |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 1.212 | 177.52 | crystaline, II | crystaline, I | Lebedev, Bykova, et al., 1993 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 5.40 | 177.52 | crystaline, II | crystaline, I | Lebedev, Bykova, et al., 1993 | DH |
References
Go To: Top, Condensed 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.
Lebedev, Bykova, et al., 1993
Lebedev, B.V.; Bykova, T.A.; Vasil'ev, V.G.; Wunderlich, B.,
Heat Capacity and thermodynamic functions of a series of n-perfluororalkanes in the range 0-320 K,
Zhur. Khim. Termodin. Termokhim. 2, 1993, (1), 62-79. [all data]
Jin, Boller, et al., 1994
Jin, Y.; Boller, A.; Wunderlich, B.; Lebedev, B.V.,
Heat capacities and transitions in n-perfluoroalkanes and poly(tetrafluoroethylene),
Thermochim. Acta, 1994, 234, 103-25. [all data]
Starkweather, 1986
Starkweather, H.W., Jr.,
Melting and crystalline transitions in normal perfluoroalkanes and poly(tetrafluoroethylene),
Marcomolecules, 1986, 19, 4, 1131, https://doi.org/10.1021/ma00158a034
. [all data]
Smith. P. and Gardner, 1985
Smith. P.; Gardner, K.H.,
Macromolecules, 1985, 18, 1222. [all data]
Segwichert, 1984
Segwichert, H.,
, Dissertation, Johannes Gutenberg Univ.,Mainz, 1984. [all data]
Starkweather, 1986, 2
Starkweather, Howard W.,
Melting and crystalline transitions in normal perfluoroalkanes and poly(tetrafluoroethylene),
Macromolecules, 1986, 19, 4, 1131-1134, https://doi.org/10.1021/ma00158a034
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.