Sulfur hexafluoride
- Formula: F6S
- Molecular weight: 146.055
- IUPAC Standard InChIKey: SFZCNBIFKDRMGX-UHFFFAOYSA-N
- CAS Registry Number: 2551-62-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Sulfur fluoride; OC-6-11; Elegas; SF6; Hexafluorure de soufre; UN 1080; Esaflon; sulphur hexafluoride
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- 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.
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 209.3 | K | N/A | PCR Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 223.72 | K | N/A | Ohta, Yamamuro, et al., 1994 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 568.8 | K | N/A | Matzik and Schneider, 1985 | Uncertainty assigned by TRC = 0.7 K; TRC |
Tc | 318.72 | K | N/A | Goloborod'ko and Khodeeva, 1972 | Vis, as Goloborod'ko and Khodeeva Zh.Fiz.Khim. 1969,43,1340; TRC |
Tc | 318.71 | K | N/A | Makarevich, Sokolova, et al., 1968 | Uncertainty assigned by TRC = 0.005 K; TRC |
Tc | 318.76 | K | N/A | Khodeeva, 1966 | TRC |
Tc | 591.85 | K | N/A | Atack and Schneider, 1951 | Uncertainty assigned by TRC = 0.05 K; By observation of meniscus and plot of density vs. temp. Temperature measured with Pt Res. Therm., calibration at N.B.S., presumably IPTS-48; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 24.57 | atm | N/A | Matzik and Schneider, 1985 | Uncertainty assigned by TRC = 0.30 atm; TRC |
Pc | 37.094 | atm | N/A | Makarevich, Sokolova, et al., 1968 | Uncertainty assigned by TRC = 0.005 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.198 | l/mol | N/A | Makarevich, Sokolova, et al., 1968 | Uncertainty assigned by TRC = 0.0004 l/mol; Vis, rect; method as Sorina and Efremova Russ. J. Phys. Chem. 1966, 40, 143.; TRC |
Vc | 0.197 | l/mol | N/A | Khodeeva, 1966 | Vis, samples thoroughly purified; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 5.0581 | mol/l | N/A | Makarevich and Sokolova, 1973 | Uncertainty assigned by TRC = 0.001 mol/l; Vis, volume adjusted by injection of mercury; TRC |
ρc | 5.147 | mol/l | N/A | Atack and Schneider, 1951 | Uncertainty assigned by TRC = 0.004 mol/l; from plot of density vs temperature, at the Tc; TRC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.54 ± 0.002 | 186. | Ohta, Yamamuro, et al., 1994, 2 | AC |
5.57 | 191. | Klemm and Henkel, 1932 | Based on data from 175. to 207. K.; AC |
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.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Ohta, Yamamuro, et al., 1994
Ohta, T.; Yamamuro, O.; Suga, H.,
Heat capacity and enthalpy of sublimation of sulful hexafluoride,
J. Chem. Thermodyn., 1994, 26, 319-31. [all data]
Matzik and Schneider, 1985
Matzik, I.; Schneider, G.M.,
Fluid phase equilibria of binary mixtures of sulfur hexafluoride with octane, nonane, hendecane, and cis-decahydronaphthalene at temperature between 280 K and 440 K and at pressures up to 140 MPa,
Ber. Bunsen-Ges. Phys. Chem., 1985, 89, 551. [all data]
Goloborod'ko and Khodeeva, 1972
Goloborod'ko, N.P.; Khodeeva, S.M.,
Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 235-7. [all data]
Makarevich, Sokolova, et al., 1968
Makarevich, L.A.; Sokolova, E.S.; Sorina, G.A.,
Critical Parameters pf Sulfur Hexafluoride,
Zh. Fiz. Khim., 1968, 42, 22-3. [all data]
Khodeeva, 1966
Khodeeva, S.M.,
Visual Observation of Gas-Gas Mixture,
Russ. J. Phys. Chem. (Engl. Transl.), 1966, 40, 1061-3. [all data]
Atack and Schneider, 1951
Atack, D.; Schneider, W.G.,
The Coexistence Curve of Sulfur Hexafluoride in the Critical Region.,
J. Phys. Colloid Chem., 1951, 55, 532. [all data]
Makarevich and Sokolova, 1973
Makarevich, L.A.; Sokolova, O.N.,
Russ. J. Phys. Chem. (Engl. Transl.), 1973, 47, 436-7. [all data]
Ohta, Yamamuro, et al., 1994, 2
Ohta, Tomoko; Yamamuro, Osamu; Suga, Hiroshi,
Heat capacity and enthalpy of sublimation of sulfur hexafluoride,
The Journal of Chemical Thermodynamics, 1994, 26, 3, 319-331, https://doi.org/10.1016/0021-9614(94)90009-4
. [all data]
Klemm and Henkel, 1932
Klemm, Wilhelm; Henkel, Paul,
«65533»ber einige physikalische Eigenschaften von SF6, SeF6, TeF6 und CF4,
Z. Anorg. Allg. Chem., 1932, 207, 1, 73-86, https://doi.org/10.1002/zaac.19322070107
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Ttriple Triple point temperature Vc Critical volume ΔsubH Enthalpy of sublimation ρc Critical density - 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.