Ethene, tetrafluoro-
- Formula: C2F4
- Molecular weight: 100.0150
- IUPAC Standard InChIKey: BFKJFAAPBSQJPD-UHFFFAOYSA-N
- CAS Registry Number: 116-14-3
- 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: Ethylene, tetrafluoro-; Perfluoroethene; Perfluoroethylene; Tetrafluoroethene; Tetrafluoroethylene; TFE; C2F4; Fluoroplast 4; Tetrafluorethylene; 1,1,2,2-Tetrafluoroethylene; Tetrafluorethene; Ethene, 1,1,2,2-tetrafluoro-
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -658.56 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1969 |
ΔfH°gas | -661. ± 3. | kJ/mol | Cm | Kolesov, Zenkov, et al., 1962 | Reanalyzed by Cox and Pilcher, 1970, Original value = -636. ± 3. kJ/mol; ALS |
ΔfH°gas | -661. ± 3. | kJ/mol | Chyd | Neugebauer and Margrave, 1956 | Reanalyzed by Cox and Pilcher, 1970, Original value = -635.5 ± 4.6 kJ/mol; ALS |
ΔfH°gas | -686. | kJ/mol | Ccb | Wartenberg and Schiefer, 1955 | ALS |
ΔfH°gas | -678. ± 4. | kJ/mol | Cm | Kirkbride and Davidson, 1954 | Von Wartenberg method; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 300.01 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1969 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 298. to 1100. | 1100. to 6000. |
---|---|---|
A | 43.55126 | 129.9776 |
B | 175.9079 | 1.690918 |
C | -138.7331 | -0.340087 |
D | 40.35619 | 0.023448 |
E | -0.381260 | -10.83204 |
F | -679.4983 | -725.3048 |
G | 303.9350 | 417.1829 |
H | -658.5616 | -658.5616 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in June, 1969 | Data last reviewed in June, 1969 |
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 |
---|---|---|---|---|---|
S°liquid | 184.23 | J/mol*K | N/A | Furukawa, McCoskey, et al., 1953 |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
112.77 | 200. | Furukawa, McCoskey, et al., 1953 | T = 6 to 210 K. |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 196.8 | K | N/A | PCR Inc., 1990 | BS |
Tboil | 199. | K | N/A | Lazerte, Hals, et al., 1953 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 196.7 | K | N/A | Ruff and Bretschneider, 1933 | Uncertainty assigned by TRC = 0.5 K; not clear whether directly measured or extrapolated; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 130.65 | K | N/A | Ruff and Bretschneider, 1933 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 142.00 | K | N/A | Furukawa, McCoskey, et al., 1953 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 307.4 | K | N/A | Lebedeva and Khodeeva, 1967 | TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 5.842 | mol/l | N/A | Lebedeva and Khodeeva, 1967 | Method as Lebedeva and Khodeeva Russ.J.Phys.Chem. 1961,35,1 sample stabilised with trimethylamine; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
16.821 | 197.53 | N/A | Furukawa, McCoskey, et al., 1953 | P = 101.325 kPa; DH |
16.8 | 258. | A | Stephenson and Malanowski, 1987 | Based on data from 197. to 273. K.; AC |
16.6 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 306. K.; AC |
18.6 | 193. | A | Stephenson and Malanowski, 1987 | Based on data from 142. to 208. K. See also Furukawa, Mccoskey, et al., 1953 and Boublik, Fried, et al., 1984.; AC |
Entropy of vaporization
ΔvapS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
85.16 | 197.53 | Furukawa, McCoskey, et al., 1953 | P; DH |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
141.99 to 208.40 | 4.02877 | 686.188 | -26.945 | Furukawa, McCoskey, et al., 1953 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.7145 | 142.00 | Furukawa, McCoskey, et al., 1953 | DH |
7.71 | 142. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
54.33 | 142.00 | Furukawa, McCoskey, et al., 1953 | DH |
Reaction 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 as indicated in comments:
B - John E. Bartmess
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
= C2ClF4-
By formula: Cl- + C2F4 = C2ClF4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >41.84 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.7 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
+
= C2BrF4-
By formula: Br- + C2F4 = C2BrF4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; The experimental HOF of C2F4 has been questioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B |
C7CrF4O5 (g) = (g) + C5CrO5 (g)
By formula: C7CrF4O5 (g) = C2F4 (g) + C5CrO5 (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.4 ± 5.9 | kJ/mol | KinG | Wells, House, et al., 1994 | The reaction enthalpy relies on the measured activation energy and on the assumption of a negligible barrier for product recombination Wells, House, et al., 1994.; MS |
By formula: C2ClF4- + 2C2F4 = C4ClF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.6 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: C4ClF8- + 3C2F4 = C6ClF12-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.4 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.7 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: C6ClF12- + 4C2F4 = C8ClF16-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.2 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: C2BrF4- + 2C2F4 = C4BrF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.9 ± 2.1 | kJ/mol | TDAs | Hiraoka, Mochizuki, et al., 2008 | gas phase; B |
By formula: HBr + C2F4 = C2HBrF4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -137.75 ± 0.75 | kJ/mol | Cm | Lacher, Lea, et al., 1950 | gas phase; Heat of hydrobromination at 367°K; ALS |
By formula: C2F4I2 = C2F4 + I2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 69. ± 2. | kJ/mol | Eqk | Wu, Pickard, et al., 1975 | gas phase; Spectrophotometery at 298.15°K; ALS |
By formula: C2F4 + Cl2 = C2Cl2F4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -239.84 ± 0.84 | kJ/mol | Cm | Lacher, McKinley, et al., 1949 | gas phase; Chlorination at 90 C; ALS |
By formula: C2F4 + 2H2 = 2C + 4HF
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -618.4 ± 4.6 | kJ/mol | Chyd | Neugebauer and Margrave, 1956 | gas phase; ALS |
By formula: C2F4 + Br2 = C2Br2F4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -161.0 | kJ/mol | Cm | Lacher, Casali, et al., 1956 | gas phase; Heat of bromination; ALS |
By formula: C2F4 + 4Na = 4FNa + 2C
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1611. ± 4.6 | kJ/mol | Cm | Kolesov, Zenkov, et al., 1962 | gas phase; ALS |
By formula: 2CHClF2 = C2F4 + 2HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 121.6 | kJ/mol | Kin | Edwards and Small, 1965 | gas phase; Corrected for CODATA value of ΔfH; ALS |
By formula: 2C2F4 = C4F8
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -210. | kJ/mol | Eqk | Atkinson and Trenwith, 1953 | gas phase; At 527-800 °K; ALS |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1037.3 | kJ/mol | Ccb | Domalski and Armstrong, 1967 | solid phase; ALS |
By formula: C2Br2F4 = C2F4 + Br2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 160.99 | kJ/mol | Cm | Lacher, Casali, et al., 1956 | gas phase; ALS |
Henry's Law 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.0016 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.0016 | 2100. | L | N/A |
Gas phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C2F4+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.14 ± 0.07 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.114 ± 0.010 | PI | Buckley, Johnson, et al., 1995 | LL |
10.14 ± 0.02 | PE | Bieri, Niessen, et al., 1981 | LLK |
10.14 | PE | Sell, Mintz, et al., 1978 | LLK |
10.32 | PE | Cullen, Frost, et al., 1972 | LLK |
10.10 | PE | Brundle, Robin, et al., 1972 | LLK |
10.11 | PE | Lake and Thompson, 1970 | RDSH |
10.12 ± 0.01 | PI | Walter, Lifshitz, et al., 1969 | RDSH |
10.12 | PI | Bralsford, Harris, et al., 1960 | RDSH |
10.69 ± 0.02 | PE | Bieri, Niessen, et al., 1981 | Vertical value; LLK |
10.56 ± 0.02 | PE | Sell and Kuppermann, 1979 | Vertical value; LLK |
10.52 | PE | Robin, Taylor, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CF+ | 13.76 ± 0.01 | CF3 | PI | Walter, Lifshitz, et al., 1969 | RDSH |
CF2+ | 15.2 ± 0.1 | CF2 | EI | Syrvatka, Bel'ferman, et al., 1971 | LLK |
CF2+ | 14.63 ± 0.04 | CF2 | PI | Walter, Lifshitz, et al., 1969 | RDSH |
CF2+ | 15.0 ± 0.3 | CF2 | EI | Zmbov, Uy, et al., 1968 | RDSH |
CF2+ | 15.26 ± 0.05 | CF2 | EI | Pottie, 1965 | RDSH |
CF3+ | 13.70 ± 0.02 | CF | PI | Walter, Lifshitz, et al., 1969 | RDSH |
C2F3+ | 15.84 ± 0.02 | F | PI | Walter, Lifshitz, et al., 1969 | RDSH |
F+ | 29.5 ± 1.0 | ? | EI | Tikhomirov and Komarov, 1966 | RDSH |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 19857 |
Vibrational and/or electronic energy levels
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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: Takehiko Shimanouchi
Symmetry: D2h Symmetry Number σ = 4
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
ag | 1 | CC str | 1872 | C | ia | 1872 M p | gas | |||
ag | 2 | CF2 s-str | 778 | C | ia | 777.9 S p | gas | |||
ag | 3 | CF2 scis | 394 | C | ia | 394 W p | gas | |||
au | 4 | CF2 twist | 190 | E | ia | ia | CF | |||
b1g | 5 | CF2 a-str | 1340 | D | ia | 1340 VW | gas | |||
b1g | 6 | CF2 rock | 551 | D | ia | 551 M | liq. | |||
b1u | 7 | CF2 wag | 406 | C | 406 S | gas | ia | |||
b2g | 8 | CF2 wag | 508 | D | ia | 508 S | liq. | |||
b2u | 9 | CF2 a-str | 1337 | C | 1337 S | gas | ia | |||
b2u | 10 | CF2 rock | 218 | C | 218 S | gas | ia | |||
b3u | 11 | CF2 s-str | 1186 | C | 1186 S | gas | ia | |||
b3u | 12 | CF2 scis | 558 | C | 558 S | gas | ia | |||
Source: Shimanouchi, 1972
Notes
S | Strong |
M | Medium |
W | Weak |
VW | Very weak |
ia | Inactive |
p | Polarized |
CF | Calculated frequency |
C | 3~6 cm-1 uncertainty |
D | 6~15 cm-1 uncertainty |
E | 15~30 cm-1 uncertainty |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Kolesov, Zenkov, et al., 1962
Kolesov, V.P.; Zenkov, I.D.; Skuratov, S.M.,
The standard enthalpy of formation of tetrafluoroethylene,
Russ. J. Phys. Chem. (Engl. Transl.), 1962, 36, 45-47. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Neugebauer and Margrave, 1956
Neugebauer, C.A.; Margrave, J.L.,
The heats of formation of tetrafluoroethylene, tetrafluoromethane and 1,1-difluoroethylene,
J. Phys. Chem., 1956, 60, 1318-1321. [all data]
Wartenberg and Schiefer, 1955
Wartenberg, H.V.; Schiefer, J.,
Bildungswarmen von fluor-chlor-kohlenstoff-verbindungen,
Z. Anorg. Chem., 1955, 278, 326-332. [all data]
Kirkbride and Davidson, 1954
Kirkbride, F.W.; Davidson, F.G.,
Heats of formation of gaseous fluoro- and fluorochloro-carbons,
Nature (London), 1954, 174, 79-80. [all data]
Furukawa, McCoskey, et al., 1953
Furukawa, G.T.; McCoskey, R.E.; Reilly, M.L.,
Heat capacity, heats of fusion and vaporization, and vapor pressure of tetrafluoroethylene,
J. Res., 1953, NBS 51, 69-72. [all data]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Lazerte, Hals, et al., 1953
Lazerte, J.D.; Hals, L.J.; Ried, T.S.; Smith, G.H.,
Pyrolyses of the Salts of the Perfluoro Carboxylic Acids,
J. Am. Chem. Soc., 1953, 75, 4525. [all data]
Ruff and Bretschneider, 1933
Ruff, O.; Bretschneider, O.,
The Preparation of Hexafluoroethane and Tetrafluoroethene from Tetrafluoromethane,
Z. Anorg. Allg. Chem., 1933, 210, 173. [all data]
Lebedeva and Khodeeva, 1967
Lebedeva, E.S.; Khodeeva, S.M.,
Liquid-Liquid-Gas Equilibrium in the System Tetrafluoroethylene-methanol,
Zh. Fiz. Khim., 1967, 41, 2081-3. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Furukawa, Mccoskey, et al., 1953
Furukawa, G.T.; Mccoskey, R.E.; Reilly, M.L.,
Heat capacity, heats of fusion and vaporization, and vapor pressure of tetrafluoroethylene,
J. RES. NATL. BUR. STAN., 1953, 51, 2, 69, https://doi.org/10.6028/jres.051.007
. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [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]
Hiraoka, Mochizuki, et al., 2008
Hiraoka, K.; Mochizuki, N.; Wada, A.; Okada, H.; Ichikawa, T.; Asakawa, D.; Yazawa, I.,
Gas-phase ion/molecule reactions in C2F4,
Int. J. Mass Spectrom., 2008, 272, 1, 22-28, https://doi.org/10.1016/j.ijms.2007.12.013
. [all data]
Curtiss, Raghavachari, et al., 7374
Curtiss, L.A.; Raghavachari, K.; Redfern, P.C.; Pople, J.A.,
Assesment of Gaussian-3 and density Functional Theories for a larger experimental test set, J. Chem. Phys. 112 (2000), 7374. [all data]
Wells, House, et al., 1994
Wells, J.R.; House, P.G.; Weitz, E.,
J. Phys. Chem., 1994, 98, 8343. [all data]
Lacher, Lea, et al., 1950
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Notes
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- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy S°gas,1 bar Entropy of gas at standard conditions (1 bar) S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapS Entropy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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