Fluoroform
- Formula: CHF3
- Molecular weight: 70.0138
- IUPAC Standard InChIKey: XPDWGBQVDMORPB-UHFFFAOYSA-N
- CAS Registry Number: 75-46-7
- 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: Methane, trifluoro-; Arcton 1; Fluoryl; Freon F-23; Freon 23; Genetron 23; Methyl trifluoride; R 23; Trifluoromethane; CHF3; Arcton; Halocarbon 23; UN 1984; Carbon trifluoride; Genetron HFC23; Propellant 23; Refrigerant 23; FC 23 (fluorocarbon); FC 23; R 23 (halocarbon); HFC 23
- 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 / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
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.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, Gas Chromatography, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -166.60 | kcal/mol | Review | Chase, 1998 | Data last reviewed in June, 1969 |
ΔfH°gas | -165.1 | kcal/mol | Eqk | Goy, Lord, et al., 1967 | ALS |
ΔfH°gas | -166.21 ± 0.65 | kcal/mol | Ccr | Neugebauer and Margrave, 1957 | Reanalyzed by Cox and Pilcher, 1970, Original value = -162.60 ± 0.65 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -17.10 ± 0.17 | kcal/mol | Eqk | Goy, Lord, et al., 1967 | ALS |
ΔcH°gas | -123.4 | kcal/mol | Ccr | Neugebauer and Margrave, 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 62.058 | cal/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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | 298. to 1200. | 1200. to 6000. |
---|---|---|
A | 1.544860 | 24.02849 |
B | 44.31960 | 0.940877 |
C | -33.67280 | -0.180932 |
D | 9.524190 | 0.012059 |
E | 0.015419 | -3.230600 |
F | -168.7010 | -181.5140 |
G | 52.21269 | 80.40559 |
H | -166.6000 | -166.6000 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in June, 1969 | Data last reviewed in June, 1969 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, Gas Chromatography, 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°liquid | 36.099 | cal/mol*K | N/A | Valentine, Brodale, et al., 1962 |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.66 | 190.97 | Valentine, Brodale, et al., 1962 | T = 15 to 190.97 K. |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, Gas Chromatography, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 188.7 | K | N/A | PCR Inc., 1990 | BS |
Tboil | 191.0 | K | N/A | Streng, 1971 | Uncertainty assigned by TRC = 0.05 K; TRC |
Tboil | 189. | K | N/A | Croll and Scott, 1964 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 189. | K | N/A | Thorp and Scott, 1956 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 110.2 | K | N/A | Streng, 1971 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 117.97 | K | N/A | Valentine, Brodale, et al., 1962, 2 | Uncertainty assigned by TRC = 0.05 K; TRC |
Tfus | 113. | K | N/A | Thorp and Scott, 1956 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 117.97 | K | N/A | Valentine, Brodale, et al., 1962, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 299.1 ± 0.3 | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 47.65 | atm | N/A | Ohgaki, Umezono, et al., 1990 | Uncertainty assigned by TRC = 0.25 atm; TRC |
Pc | 47.532 | atm | N/A | Hori, Okazaki, et al., 1982 | Uncertainty assigned by TRC = 0.02 atm; TRC |
Pc | 49.7000 | atm | N/A | Wagner, 1968 | Uncertainty assigned by TRC = 0.09998 atm; TRC |
Pc | 47.7288 | atm | N/A | Hou and Martin, 1959 | Uncertainty assigned by TRC = 0.0680 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 7.5 ± 0.1 | mol/l | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.9940 | 190.97 | N/A | Valentine, Brodale, et al., 1962 | P = 101.325 kPa.; DH |
4.33 | 175. | A | Stephenson and Malanowski, 1987 | Based on data from 138. to 190. K.; AC |
4.02 | 213. | A | Stephenson and Malanowski, 1987 | Based on data from 198. to 298. K.; AC |
4.30 | 177. | N/A | Valentine, Brodale, et al., 1962 | Based on data from 146. to 192. K.; AC |
Entropy of vaporization
ΔvapS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.91 | 190.97 | Valentine, Brodale, et al., 1962 | P; DH |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
145.36 to 191.19 | 4.24977 | 718.089 | -22.013 | Valentine, Brodale, et al., 1962 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.12 | 103. | Stephenson and Malanowski, 1987 | Based on data from 89. to 118. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.9699 | 117.97 | Valentine, Brodale, et al., 1962 | DH |
0.970 | 118. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.222 | 117.97 | Valentine, Brodale, et al., 1962 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Vibrational and/or electronic energy levels, Gas Chromatography, 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
CF3- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 378.0 ± 1.4 | kcal/mol | D-EA | Deyerl, Alconcel, et al., 2001 | gas phase; Adiabatic EA, from vibrational structure of spectrum; B |
ΔrH° | 377.0 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; Paulino and Squires, 1991 suggests that this acidity may be too weak by ca. 5 kcal/mol. However, G2 calcn(JEB) give ΔHacid=379.9, ΔGacid=372.0; value altered from reference due to change in acidity scale; B |
ΔrH° | 376.0 ± 4.5 | kcal/mol | CIDT | Graul and Squires, 1990 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 370.3 ± 1.5 | kcal/mol | H-TS | Deyerl, Alconcel, et al., 2001 | gas phase; Adiabatic EA, from vibrational structure of spectrum; B |
ΔrG° | 369.2 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; Paulino and Squires, 1991 suggests that this acidity may be too weak by ca. 5 kcal/mol. However, G2 calcn(JEB) give ΔHacid=379.9, ΔGacid=372.0; value altered from reference due to change in acidity scale; B |
By formula: CN- + CHF3 = (CN- • CHF3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.0 ± 3.5 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.4 | cal/mol*K | N/A | Larson and McMahon, 1987 | gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.6 ± 2.3 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
By formula: Cl- + CHF3 = (Cl- • CHF3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.7 ± 2.4 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.9 | cal/mol*K | N/A | Larson and McMahon, 1984, 2 | gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
By formula: F- + CHF3 = (F- • CHF3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 19.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
By formula: C8H5- + CHF3 = C9H6F3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.3 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=8.8 at 350K; dS based on symmetry alone; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.4 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=8.8 at 350K; dS based on symmetry alone; B |
By formula: C2H- + CHF3 = C3H2F3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.3 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=9.2 at 350K; dS based on symmetry alone; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.7 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=9.2 at 350K; dS based on symmetry alone; B |
By formula: C9H7- + CHF3 = C10H8F3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18.8 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=8.3 at 350K; dS based on symmetry alone; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.9 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=8.3 at 350K; dS based on symmetry alone; B |
By formula: C2H5O- + CHF3 = C3H6F3O-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.0 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 15.1 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase; B |
By formula: CH3O- + CHF3 = C2H4F3O-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.5 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 16.6 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase; B |
By formula: C3H7O- + CHF3 = C4H8F3O-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.1 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.2 ± 1.0 | kcal/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase; B |
By formula: C4H9+ + CHF3 = (C4H9+ • CHF3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.8 | kcal/mol | PHPMS | Sharma, Meza de Hojer, et al., 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.8 | cal/mol*K | PHPMS | Sharma, Meza de Hojer, et al., 1985 | gas phase; M |
C5O5W (g) + (g) = C6HF3O5W (g)
By formula: C5O5W (g) + CHF3 (g) = C6HF3O5W (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | <-5.00 | kcal/mol | EqG | Brown, Ishikawa, et al., 1990 | Temperature range: ca. 300-350 K; MS |
By formula: I- + CHF3 = (I- • CHF3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.9 ± 1.0 | kcal/mol | TDAs | Caldwell, Masucci, et al., 1989 | gas phase; B,M |
By formula: CHF3 + Br2 = HBr + CBrF3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.3 | kcal/mol | Eqk | Corbett, Tarr, et al., 1963 | gas phase; At 298 K; ALS |
By formula: HBr + CBrF3 = CHF3 + Br2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.59 ± 0.25 | kcal/mol | Eqk | Coomber and Whittle, 1967 | gas phase; ALS |
By formula: 2CHClF2 = CHCl2F + CHF3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.39 ± 0.48 | kcal/mol | Eqk | Hess and Kemnitz, 1992 | gas phase; ALS |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Gas Chromatography, 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: 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 |
---|---|---|---|---|
0.013 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.013 | 3200. | L | N/A | |
0.011 | V | N/A |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas Chromatography, 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: Takehiko Shimanouchi
Symmetry: C3ν Symmetry Number σ = 3
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1 | 1 | CH str | 3036 | C | 3036 S | gas | 3062 S p | liq. | ||
a1 | 2 | CF3 s-str | 1117 | C | 1117 VS p | liq. | ||||
a1 | 3 | CF3 s-deform | 700 | C | 700 M | gas | 697 S p | liq. | ||
e | 4 | CH bend | 1372 | C | 1372 M | gas | 1376 S dp | liq. | ||
e | 5 | CF3 d-str | 1152 | C | 1152 VS | gas | 1160 W dp | liq. | ||
e | 6 | CF3 d-deform | 507 | C | 507 M | gas | 508 VS dp | liq. | ||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
p | Polarized |
dp | Depolarized |
C | 3~6 cm-1 uncertainty |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 202. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 202. | Zenkevich, 1996 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, Gas Chromatography, 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]
Goy, Lord, et al., 1967
Goy, C.A.; Lord, A.; Pritchard, H.O.,
Kinetics and thermodynamics of the reaction between iodine and fluoroform and the heat of formation of trifluoromethyl iodide,
J. Phys. Chem., 1967, 71, 1086-1089. [all data]
Neugebauer and Margrave, 1957
Neugebauer, C.A.; Margrave, J.L.,
Heats of formation of the fluoromethanes and fluoroethylenes,
Tech. Rept., 1957, 1-45. [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]
Valentine, Brodale, et al., 1962
Valentine, R.H.; Brodale, G.E.; Giauque, W.F.,
Trifluoromethane: entropy, low temperature heat capacity, heats of fusion and vaporization, and vapor pressure,
J. Phys. Chem., 1962, 66, 392-395. [all data]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Streng, 1971
Streng, A.G.,
Miscibility and Compatibility of Some Liquid and Solidified Gases at Low Temperature,
J. Chem. Eng. Data, 1971, 16, 357. [all data]
Croll and Scott, 1964
Croll, I.M.; Scott, R.L.,
Fluorocarbon Solutions at Low Termperatures IV. The Liquid Mixtures CH4 + CClF3, CH2F2 + CClF3, CHF3 + CClF3, CF4 + CClF3, C2H6 + CClF3, C2H6 + CF4, and CHF3 + CF4,
J. Phys. Chem., 1964, 68, 3853. [all data]
Thorp and Scott, 1956
Thorp, N.; Scott, R.L.,
Fluorocarbon solutions at low termperatures. I. The liquid mixtures CF4-CHF3, CF4-CH4, CF4-Kr, CH4-Kr.,
J. Phys. Chem., 1956, 60, 670. [all data]
Valentine, Brodale, et al., 1962, 2
Valentine, R.H.; Brodale, G.E.; Giauque, W.F.,
Trifluoromethane: entropy,low temp. heat capacity, heats of fusion and vaporization, and vapor pressure,
J. Phys. Chem., 1962, 66, 392. [all data]
Ohgaki, Umezono, et al., 1990
Ohgaki, K.; Umezono, S.; Katayama, T.,
Pressure-density-temperature (p-ρ-T) relations of fluoroform, nitrous oxide, and propene in the critical region,
J. Supercrit. Fluids, 1990, 3, 78-84. [all data]
Hori, Okazaki, et al., 1982
Hori, K.; Okazaki, S.; Uematsu, M.; Watanabe, K.,
An Experimental Study of Thermodynamic Properties of Trifluoromethane
in Proc. Symp. Thermophys. Prop., 8th, 1981, Gaithersburg, Vol. II, Sengers, J. V., Ed., ASME: New York, p. 370-6, 1982. [all data]
Wagner, 1968
Wagner, W.,
Thermodynamic properties of trifluoromethane,
Kaeltetech.-Klim., 1968, 20, 238-40. [all data]
Hou and Martin, 1959
Hou, Y.-C.; Martin, J.J.,
Physical and Thermodynamic properties of trifluoromethane,
AIChE J., 1959, 5, 125. [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]
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]
Deyerl, Alconcel, et al., 2001
Deyerl, H.J.; Alconcel, L.S.; Continetti, R.E.,
Photodetachment imaging studies of the electron affinity of CF3,
J. Phys. Chem. A, 2001, 105, 3, 552-557, https://doi.org/10.1021/jp003137k
. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Paulino and Squires, 1991
Paulino, J.A.; Squires, R.R.,
Carbene Thermochemistry from Collision-Induced Dissociation Threshold Energy Measurements - The Heats of Formation of X1A1 CF2 and X1A1 CCl2,
J. Am. Chem. Soc., 1991, 113, 15, 5573, https://doi.org/10.1021/ja00015a009
. [all data]
Graul and Squires, 1990
Graul, S.T.; Squires, R.R.,
Gas-Phase Acidities Derived from Threshold Energies for Activated Reactions,
J. Am. Chem. Soc., 1990, 112, 7, 2517, https://doi.org/10.1021/ja00163a007
. [all data]
Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B.,
Hydrogen bonding in gas phase anions. The energetics of interaction between cyanide ion and bronsted acids,
J. Am. Chem. Soc., 1987, 109, 6230. [all data]
Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P.,
Hydration of CN-, NO2-, NO3-, and HO- in the gas phase,
Can. J. Chem., 1971, 49, 3308. [all data]
Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B.,
Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria,
J. Am. Chem. Soc., 1984, 106, 517. [all data]
Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B.,
Gas phase negative ion chemistry of alkylchloroformates,
Can. J. Chem., 1984, 62, 675. [all data]
French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P.,
Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-,
Can. J. Chem., 1982, 60, 1907. [all data]
Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B.,
Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements,
J. Am. Chem. Soc., 1983, 105, 2944. [all data]
Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P.,
Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions,
J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014
. [all data]
Chabinyc and Brauman, 2000
Chabinyc, M.L.; Brauman, J.I.,
Unusual ionic hydrogen bonds: Complexes of acetylides and fluoroform,
J. Am. Chem. Soc., 2000, 122, 36, 8739-8745, https://doi.org/10.1021/ja000806z
. [all data]
Chabinyc and Brauman, 1998
Chabinyc, M.L.; Brauman, J.I.,
Acidity, basicity, and the stability of hydrogen bonds: Complexes of RO-+HCF3,
J. Am. Chem. Soc., 1998, 120, 42, 10863-10870, https://doi.org/10.1021/ja9817592
. [all data]
Sharma, Meza de Hojer, et al., 1985
Sharma, D.M.S.; Meza de Hojer, S.; Kebarle, P.,
Stabilities of halonium ions from a study of gas-phase equilibria R+ + XR' = (RXR')+,
J. Am. Chem. Soc., 1985, 107, 13, 3757, https://doi.org/10.1021/ja00299a002
. [all data]
Brown, Ishikawa, et al., 1990
Brown, C.E.; Ishikawa, Y.; Hackett, P.A.; Rayner, D.M.,
J. Am. Chem. Soc., 1990, 112, 2530. [all data]
Caldwell, Masucci, et al., 1989
Caldwell, G.W.; Masucci, J.A.; Ikonomou, M.G.,
Negative Ion Chemical Ionization Mass Spectrometry - Binding of Molecules to Bromide and Iodide Anions,
Org. Mass Spectrom., 1989, 24, 1, 8, https://doi.org/10.1002/oms.1210240103
. [all data]
Corbett, Tarr, et al., 1963
Corbett, P.; Tarr, A.M.; Whittle, E.,
Vapour-phase bromination of fluoroform and methane,
Trans. Faraday Soc., 1963, 59, 1609. [all data]
Coomber and Whittle, 1967
Coomber, J.W.; Whittle, E.,
Bond dissociation energies from equilibrium studies. Part 1.-D(CF3-Br), D(C2F5-Br) and D(n-C3F7-Br),
Trans. Faraday Soc., 1967, 63, 608-619. [all data]
Hess and Kemnitz, 1992
Hess, A.; Kemnitz, E.,
Heterogeneously catalyzed dismutation and conmutation reactions of CHCl3-nFnchlorofluorocarbons. A kinetic study,
Appl. Catal. A:, 1992, 82, 247-257. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Zenkevich, 1996
Zenkevich, I.G.,
Informational Maitenance of Gas Chromatographic Identification of Organic Compounds in Ecoanalytical Investigations,
Z. Anal. Chem., 1996, 51, 11, 1140-1148. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Vibrational and/or electronic energy levels, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure 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 ΔcH°gas Enthalpy of combustion of gas at standard conditions 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 ΔrS° Entropy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization ΔvapS Entropy of vaporization 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.