Carbon dioxide
- Formula: CO2
- Molecular weight: 44.0095
- IUPAC Standard InChIKey: CURLTUGMZLYLDI-UHFFFAOYSA-N
- CAS Registry Number: 124-38-9
- 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. - Isotopologues:
- Other names: Carbon oxide (CO2); Carbonic acid, gas; Carbonic anhydride; Dry ice; CO2; Anhydride carbonique; Carbonica; Kohlendioxyd; Kohlensaure; UN 1013; UN 1845; UN 2187; Cardice; Dricold; Drikold; Carbonic acid anhydride; Khladon 744; R 744
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- Information on this page:
- Other data available:
- Reaction thermochemistry data: reactions 51 to 100, reactions 101 to 143
- Henry's Law data
- Gas phase ion energetics data
- Ion clustering data
- Gas Chromatography
- Fluid Properties
- Data at other public NIST sites:
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Gas phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -94.051 ± 0.031 | kcal/mol | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
ΔfH°gas | -94.054 | kcal/mol | Review | Chase, 1998 | Data last reviewed in September, 1965 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 51.0958 ± 0.0024 | cal/mol*K | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
S°gas,1 bar | 51.097 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1965 |
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.
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Temperature (K) | 298. to 1200. | 1200. to 6000. |
---|---|---|
A | 5.974511 | 13.90210 |
B | 13.19000 | 0.650113 |
C | -8.052431 | -0.117660 |
D | 1.899711 | 0.009284 |
E | -0.032657 | -1.540941 |
F | -96.46451 | -101.7970 |
G | 54.55141 | 63.00490 |
H | -94.05411 | -94.05411 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in September, 1965 | Data last reviewed in September, 1965 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 216.58 | K | N/A | Marsh, 1987 | Uncertainty assigned by TRC = 0.008 K; recommended as fixed point for thermometery; TRC |
Ttriple | 216.58 | K | N/A | Angus, Armstrong, et al., 1976 | Uncertainty assigned by TRC = 0.03 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ptriple | 5.117 | atm | N/A | Angus, Armstrong, et al., 1976 | Uncertainty assigned by TRC = 0.005 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 304.18 | K | N/A | Suehiro, Nakajima, et al., 1996 | Uncertainty assigned by TRC = 0.04 K; TRC |
Tc | 304.1 | K | N/A | Weber, 1989 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tc | 304.35 | K | N/A | Li and Kiran, 1988 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tc | 304.200 | K | N/A | Morrison, 1981 | Uncertainty assigned by TRC = 0.02 K; TRC |
Tc | 304.23 | K | N/A | Efremova and Shvarts, 1972 | Visual, agreement with literature evidence of sample purity; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 72.83 | atm | N/A | Suehiro, Nakajima, et al., 1996 | Uncertainty assigned by TRC = 0.15 atm; TRC |
Pc | 72.44 | atm | N/A | Li and Kiran, 1988 | Uncertainty assigned by TRC = 0.49 atm; TRC |
Pc | 72.860 | atm | N/A | Angus, Armstrong, et al., 1976 | Uncertainty assigned by TRC = 0.005 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.0919 | l/mol | N/A | Li and Kiran, 1988 | Uncertainty assigned by TRC = 0.001 l/mol; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 10.6 | mol/l | N/A | Suehiro, Nakajima, et al., 1996 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
ρc | 10.590 | mol/l | N/A | Angus, Armstrong, et al., 1976 | Uncertainty assigned by TRC = 0.007 mol/l; TRC |
ρc | 10.8 | mol/l | N/A | Andrizhievskii and Chernova, 1970 | Uncertainty assigned by TRC = 0.2 mol/l; TRC |
ρc | 10.64 | mol/l | N/A | Lowry and Erickson, 1927 | Uncertainty assigned by TRC = 0.034 mol/l; from a plot of (DN(liq) + DN(g))/2 based on exp. measurement and extrapolated to 31.0 deg C; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.99 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 304. K.; AC |
3.92 | 258. | A | Stephenson and Malanowski, 1987 | Based on data from 216. to 273. K.; AC |
3.94 | 282. | N/A | Boublík and Aim, 1972 | Based on data from 267. to 303. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
154.26 to 195.89 | 6.80657 | 1301.679 | -3.494 | Giauque and Egan, 1937 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.24 | 207. | A | Stephenson and Malanowski, 1987 | Based on data from 198. to 216. K.; AC |
6.50 ± 0.1 | 70. to 102. | LE | Bryson, Cazcarra, et al., 1974 | AC |
6.19 | 188. | N/A | Ambrose, 1956 | Based on data from 179. to 198. K.; AC |
6.29 | 167. | A | Stull, 1947 | Based on data from 139. to 195. K.; AC |
6.02 | 195. | N/A | Giauque and Egan, 1937, 2 | Based on data from 154. to 196. K.; AC |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
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.
Reactions 1 to 50
By formula: O2+ + CO2 = (O2+ • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.8 ± 0.9 | kcal/mol | AVG | N/A | Average of 4 out of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.5 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
ΔrS° | 18.9 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=9.80 kcal/mol; M |
ΔrS° | 20.7 | cal/mol*K | N/A | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970; M |
ΔrS° | 20. | cal/mol*K | N/A | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.4 | kcal/mol | DT | Rakshit and Warneck, 1981 | gas phase; M |
ΔrG° | 4.3 | kcal/mol | FA | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
9.4 | 600. | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M |
By formula: CO2+ + CO2 = (CO2+ • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16. ± 1. | kcal/mol | AVG | N/A | Average of 7 out of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
ΔrS° | 18.6 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=15.9 kcal/mol; M |
ΔrS° | 19.5 | cal/mol*K | DT | Van Koppen, Kemper, et al., 1983 | gas phase; M |
ΔrS° | 22.8 | cal/mol*K | PHPMS | Headley, Mason, et al., 1982 | gas phase; M |
ΔrS° | 21.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
By formula: O- + CO2 = (O- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 48. ± 10. | kcal/mol | AVG | N/A | Average of 8 out of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 48.0 ± 5.0 | kcal/mol | IMRE | Adams and Bohme, 1970 | gas phase; O3- + CO2 <=> CO3- + O2; B |
By formula: I- + CO2 = (I- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.7 ± 1.8 | kcal/mol | N/A | Piani, Becucci, et al., 2008 | gas phase; Stated electron affinity is the Vertical Detachment Energy; B |
ΔrH° | 4.0 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 4.7 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
ΔrH° | 3.20 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
ΔrH° | 5.60 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 13.4 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
ΔrS° | 18.2 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.7 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
ΔrG° | 0.80 ± 0.10 | kcal/mol | TDAs | Banic and Iribarne, 1985 | gas phase; B,M |
ΔrG° | 0.40 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: O2- + CO2 = (O2- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.00 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
ΔrH° | 17.7 ± 1.8 | kcal/mol | IMRE | Pack and Phelps, 1966 | gas phase; Corrected with more recent EA(O2) = 0.45 eV; B,M |
ΔrH° | 25.4 ± 4.6 | kcal/mol | PDis | Vestal and Mauclaire, 1977 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
ΔrS° | 21. | cal/mol*K | DT | Pack and Phelps, 1966 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 11.7 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
ΔrG° | 12.2 ± 1.2 | kcal/mol | IMRE | Pack and Phelps, 1966 | gas phase; Corrected with more recent EA(O2) = 0.45 eV; B |
ΔrG° | 10.0 | kcal/mol | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2-)O2; Conway and Nesbit, 1968; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
12.9 | 296. | FA | Fehsenfeld and Ferguson, 1974 | gas phase; switching reaction(O2-)H2O; Arshadi and Kebarle, 1970; M |
By formula: F- + CO2 = (F- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.07 | kcal/mol | N/A | Arnold, Bradforth, et al., 1995, 2 | gas phase; B |
ΔrH° | 32.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
ΔrH° | 31.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |
ΔrH° | 33.0 ± 3.0 | kcal/mol | IMRE | McMahon and Northcott, 1978 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.7 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
ΔrS° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 24.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
ΔrG° | 24.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |
ΔrG° | 11.6 | kcal/mol | FA | Spears and Ferguson, 1973 | gas phase; DG>; M |
By formula: Cl- + CO2 = (Cl- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.80 ± 0.50 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995, 2 | gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B |
ΔrH° | 7.60 | kcal/mol | TDEq | Hiraoka, Shoda, et al., 1986 | gas phase; B,M |
ΔrH° | 8.00 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.2 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
ΔrS° | 19.6 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.10 | kcal/mol | TDEq | Hiraoka, Shoda, et al., 1986 | gas phase; B |
ΔrG° | 2.10 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: (I- • 2CO2) + CO2 = (I- • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.20 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
ΔrH° | 3.7 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 4.6 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.4 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.6 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (I- • 4CO2) + CO2 = (I- • 5CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.70 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
ΔrH° | 3.1 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 4.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.4 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (I- • CO2) + CO2 = (I- • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.6 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 4.7 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
ΔrH° | 2.60 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.7 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (I- • 5CO2) + CO2 = (I- • 6CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.0 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 1.80 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
ΔrH° | 4.2 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | N/A | Hiraoka, Mizuse, et al., 1987 | gas phase; Entropy change calculated or estimated; M |
By formula: (Na+ • CO2) + H2O = (Na+ • H2O • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.7 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
ΔrH° | 22.9 | kcal/mol | FA | Perry, Rowe, et al., 1980 | gas phase; From thermochemical cycle(Na+) 2H2O; Dzidic and Kebarle, 1970, Peterson, Mark, et al., 1984; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.3 | cal/mol*K | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
ΔrS° | 25.6 | cal/mol*K | FA | Perry, Rowe, et al., 1980 | gas phase; From thermochemical cycle(Na+) 2H2O; Dzidic and Kebarle, 1970, Peterson, Mark, et al., 1984; M |
By formula: CHO2+ + CO2 = (CHO2+ • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.8 | kcal/mol | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
ΔrH° | 18.0 | kcal/mol | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
ΔrH° | 19.1 | kcal/mol | PHPMS | Jennings, Headley, et al., 1982 | gas phase; M |
ΔrH° | 20.1 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.6 | cal/mol*K | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
ΔrS° | 22.2 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
ΔrS° | 27.1 | cal/mol*K | PHPMS | Jennings, Headley, et al., 1982 | gas phase; M |
ΔrS° | 24.2 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
By formula: (I- • 3CO2) + CO2 = (I- • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.80 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
ΔrH° | 3.6 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 4.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.0 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: NO2- + CO2 = (NO2- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.30 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
ΔrH° | 9.30 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
ΔrS° | 24.2 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.1 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
ΔrG° | 2.00 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: NO- + CO2 = (NO- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.5 ± 0.3 | kcal/mol | DT | Illies, 1988 | gas phase; ΔrH(0 K)=8.60 kcal/mol; M |
ΔrH° | 7.7 ± 0.4 | kcal/mol | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
ΔrH° | 13.8 | kcal/mol | FA | Dunkin, Fehsenfeld, et al., 1971 | gas phase; switching reaction(NO+)NO, ΔrH<; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.0 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=8.60 kcal/mol; M |
ΔrS° | 13.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
By formula: (Br- • CO2) + CO2 = (Br- • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.1 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 6.0 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (CO2+ • CO2) + CO2 = (CO2+ • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.6 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
ΔrH° | 8.3 | kcal/mol | EI | Cameron, Aitken, et al., 1994 | gas phase; M |
ΔrH° | 3.3 | kcal/mol | PI | Linn and Ng, 1981 | gas phase; M |
ΔrH° | 6.0 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14.1 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
ΔrS° | 24.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
By formula: Br- + CO2 = (Br- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.3 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995, 2 | gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B |
ΔrH° | 6.7 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 16.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.8 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (Cl- • 2CO2) + CO2 = (Cl- • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.8 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
ΔrH° | 6.80 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.4 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.1 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
ΔrG° | 0.10 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; B |
By formula: (Cl- • CO2) + CO2 = (Cl- • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
ΔrH° | 7.20 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.8 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.4 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
ΔrG° | 1.00 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; B |
By formula: H3O+ + CO2 = (H3O+ • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.3 | kcal/mol | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
ΔrH° | 15.3 | kcal/mol | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
ΔrH° | 14.4 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.2 | cal/mol*K | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
ΔrS° | 24.6 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
ΔrS° | 20.7 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
By formula: (Na+ • 2H2O • CO2) + H2O = (Na+ • 3H2O • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.4 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23. | cal/mol*K | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.5 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
By formula: (O2+ • CO2) + CO2 = (O2+ • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.6 ± 0.5 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
ΔrH° | 7.5 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.7 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
ΔrS° | 15. | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
By formula: (Na+ • 3H2O) + CO2 = (Na+ • CO2 • 3H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.2 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.3 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
By formula: (Na+ • 3CO2) + CO2 = (Na+ • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.4 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
0.7 | 310. | HPMS | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
By formula: Na+ + CO2 = (Na+ • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.9 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; M |
ΔrH° | 13.7 | kcal/mol | FA | Perry, Rowe, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.1 | cal/mol*K | HPMS | Peterson, Mark, et al., 1984 | gas phase; M |
ΔrS° | 19.8 | cal/mol*K | FA | Perry, Rowe, et al., 1980 | gas phase; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
6.6 | 310. | DT | Keller and Beyer, 1971 | gas phase; low E/N; M |
By formula: (I- • 6CO2) + CO2 = (I- • 7CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.3 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 1.90 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
By formula: (I- • 7CO2) + CO2 = (I- • 8CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.1 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
ΔrH° | 1.90 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
By formula: (Cl- • 3CO2) + CO2 = (Cl- • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.40 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; entropy estimated.; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24. | cal/mol*K | N/A | Hiraoka, Shoda, et al., 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.80 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; entropy estimated.; B |
By formula: CO3- + CO2 = C2O5-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.90 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
ΔrH° | 7.10 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.0 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
ΔrG° | 0.60 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: HO- + CO2 = (HO- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.9 ± 2.5 | kcal/mol | CIDT | Squires, 1992 | gas phase; Dissociative protonation threshold at nPrSH, 9 kcal> calc. CIDC(HOCO2-..HSH) = 7:1 HOCO2-; B |
ΔrH° | 87.60 | kcal/mol | Endo | Hierl and Paulson, 1984 | gas phase; Implies ΔHacid = 291.4, anion appears too stable - JEB; B |
By formula: (CO2+ • 2CO2) + CO2 = (CO2+ • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.0 | kcal/mol | EI | Cameron, Aitken, et al., 1994 | gas phase; M |
ΔrH° | 5.1 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
ΔrH° | 2.8 | kcal/mol | PI | Linn and Ng, 1981 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
By formula: (Na+ • H2O • CO2) + H2O = (Na+ • 2H2O • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.4 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.6 | cal/mol*K | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
By formula: (F- • 3CO2) + CO2 = (F- • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.8 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.2 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (F- • 4CO2) + CO2 = (F- • 5CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.6 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.0 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (F- • 5CO2) + CO2 = (F- • 6CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.4 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: C7O15- + 7CO2 = C8O17-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; Estimated entropy; single temperature measurement; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; Estimated entropy; single temperature measurement; B |
By formula: (F- • 2CO2) + CO2 = (F- • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.5 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (F- • CO2) + CO2 = (F- • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.2 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.9 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: (O2- • 2CO2) + CO2 = (O2- • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.6 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (O2- • 3CO2) + CO2 = (O2- • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (O2- • 4CO2) + CO2 = (O2- • 5CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.4 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (O2- • 5CO2) + CO2 = (O2- • 6CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (O2- • 6CO2) + CO2 = (O2- • 7CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (O2- • CO2) + CO2 = (O2- • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.60 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 2CO2) + CO2 = (NO2- • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 3CO2) + CO2 = (NO2- • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.9 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 4CO2) + CO2 = (NO2- • 5CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 5CO2) + CO2 = (NO2- • 6CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.9 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.1 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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
Spectrum
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Additional Data
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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. |
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NIST MS number | 69 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A.,
CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]
Chase, 1998
Chase, M.W., Jr.,
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Marsh, 1987
Marsh, K.N.,
Recommended Reference Materials for the Realization of Physicochemical Properties, Blackwell Sci. Pub., Oxford, 1987. [all data]
Angus, Armstrong, et al., 1976
Angus, S.; Armstrong, B.; de Reuck, K.M.,
International Thermodynamic Tables of the Fluid State - 3 Carbon Dioxide, Pergamon, New York, 1976. [all data]
Suehiro, Nakajima, et al., 1996
Suehiro, Y.; Nakajima, M.; Yamada, K.; Uematsu, M.,
Critical parameters of {xCO2 + (1 - x)CHF3} for x = (1.0000, 0.7496, 0.5013 , and 0.2522),
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Weber, 1989
Weber, L.A.,
Simple Apparatus for Vapor-Liquid Equilibrium Measurements with Data for the Binary Systems of Carbon Dioxide with n-Butane and Isobutane,
J. Chem. Eng. Data, 1989, 34, 171. [all data]
Li and Kiran, 1988
Li, L.; Kiran, E.,
Gas-Liquid Critical Properties of Methylamine + Nitrous Oxide and Methylamine + Ethylene Binary Mixtures,
J. Chem. Eng. Data, 1988, 33, 342. [all data]
Morrison, 1981
Morrison, G.,
Effect of water on the critical points of carbon dioxide and ethane,
J. Phys. Chem., 1981, 85, 759-61. [all data]
Efremova and Shvarts, 1972
Efremova, G.D.; Shvarts, A.V.,
Higher-order Critical Phenomena in Ternary Systems. The Methanol-Carbon Dioxide-Ethane System,
Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 237-239. [all data]
Andrizhievskii and Chernova, 1970
Andrizhievskii, A.A.; Chernova, N.I.,
Application of the Moving Meniscus Method in the Study of the Critical Phenomena in One-component Systems,
Russ. J. Phys. Chem. (Engl. Transl.), 1970, 44, 1519. [all data]
Lowry and Erickson, 1927
Lowry, H.H.; Erickson, W.R.,
The Densities of Coexisting Liquid and Gaseous Carbon Dioxide and the Solubility of Water in Liquid Carbon Dioxide.,
J. Am. Chem. Soc., 1927, 49, 2729-2734. [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]
Boublík and Aim, 1972
Boublík, T.; Aim, K.,
Heats of vaporization of simple non-spherical molecule compounds,
Collect. Czech. Chem. Commun., 1972, 37, 11, 3513-3521, https://doi.org/10.1135/cccc19723513
. [all data]
Giauque and Egan, 1937
Giauque, W.F.; Egan, C.J.,
Carbon Dioxide. The Heat Capacity and Vapor Pressure of the Solid. The Heat of Sublimation. Thermodynamic and Spectroscopic Values of the Entropy,
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Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Ptriple Triple point pressure S°gas,1 bar Entropy of gas at standard conditions (1 bar) T Temperature Tc Critical temperature Ttriple Triple point temperature Vc Critical volume ΔfH°gas Enthalpy of formation of gas at standard conditions 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 ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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