Carbon dioxide
- Formula: CO2
- Molecular weight: 44.0095
- IUPAC Standard InChI:
- InChI=1S/CO2/c2-1-3
- Download the identifier in a file.
- 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
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- 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:
- Options:
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- NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
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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 |
---|---|---|---|---|---|
![]() | -94.051 ± 0.031 | kcal/mol | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
![]() | -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. - 1200. | 1200. - 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, Kenneth Kroenlein 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 |
![]() | 10.6 | mol/l | N/A | Suehiro, Nakajima, et al., 1996 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
![]() | 10.590 | mol/l | N/A | Angus, Armstrong, et al., 1976 | Uncertainty assigned by TRC = 0.007 mol/l; TRC |
![]() | 10.8 | mol/l | N/A | Andrizhievskii and Chernova, 1970 | Uncertainty assigned by TRC = 0.2 mol/l; TRC |
![]() | 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
![]() |
Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.99 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. - 304. K.; AC |
3.92 | 258. | A | Stephenson and Malanowski, 1987 | Based on data from 216. - 273. K.; AC |
3.94 | 282. | N/A | Boublík and Aim, 1972 | Based on data from 267. - 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 - 195.89 | 6.80657 | 1301.679 | -3.494 | Giauque and Egan, 1937 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
![]() |
Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.24 | 207. | A | Stephenson and Malanowski, 1987 | Based on data from 198. - 216. K.; AC |
6.50 ± 0.1 | 70. - 102. | LE | Bryson, Cazcarra, et al., 1974 | AC |
6.19 | 188. | N/A | Ambrose, 1956 | Based on data from 179. - 198. K.; AC |
6.29 | 167. | A | Stull, 1947 | Based on data from 139. - 195. K.; AC |
6.02 | 195. | N/A | Giauque and Egan, 1937, 2 | Based on data from 154. - 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 17.5 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
![]() | 18.9 | cal/mol*K | DT | Illies, 1988 | gas phase; «DELTA»rH(0 K)=9.80 kcal/mol; M |
![]() | 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 |
![]() | 20. | cal/mol*K | N/A | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 4.4 | kcal/mol | DT | Rakshit and Warneck, 1981 | gas phase; M |
![]() | 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
![]() |
T (K) | Method | Reference | Comment |
---|---|---|---|---|
9.4 | 600. | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M |
By formula: CO2+ + CO2 = (CO2+ CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 16. ± 1. | kcal/mol | AVG | N/A | Average of 7 out of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 19.1 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
![]() | 18.6 | cal/mol*K | DT | Illies, 1988 | gas phase; «DELTA»rH(0 K)=15.9 kcal/mol; M |
![]() | 19.5 | cal/mol*K | DT | Van Koppen, Kemper, et al., 1983 | gas phase; M |
![]() | 22.8 | cal/mol*K | PHPMS | Headley, Mason, et al., 1982 | gas phase; M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 48. ± 10. | kcal/mol | AVG | N/A | Average of 8 out of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 3.7 ± 1.8 | kcal/mol | N/A | Piani, Becucci, et al., 2008 | gas phase; Stated electron affinity is the Vertical Detachment Energy; B |
![]() | 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 |
![]() | 4.7 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
![]() | 3.20 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
![]() | 5.60 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 13.4 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
![]() | 18.2 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 0.7 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
![]() | 0.80 ± 0.10 | kcal/mol | TDAs | Banic and Iribarne, 1985 | gas phase; B,M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 19.00 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
![]() | 17.7 ± 1.8 | kcal/mol | IMRE | Pack and Phelps, 1966 | gas phase; Corrected with more recent EA(O2) = 0.45 eV; B,M |
![]() | 25.4 ± 4.6 | kcal/mol | PDis | Vestal and Mauclaire, 1977 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 24.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
![]() | 21. | cal/mol*K | DT | Pack and Phelps, 1966 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 11.7 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
![]() | 12.2 ± 1.2 | kcal/mol | IMRE | Pack and Phelps, 1966 | gas phase; Corrected with more recent EA(O2) = 0.45 eV; B |
![]() | 10.0 | kcal/mol | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2-)O2; Conway and Nesbit, 1968; M |
Free energy of reaction
![]() |
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 |
---|---|---|---|---|---|
![]() | 32.07 | kcal/mol | N/A | Arnold, Bradforth, et al., 1995, 2 | gas phase; B |
![]() | 32.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
![]() | 31.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |
![]() | 33.0 ± 3.0 | kcal/mol | IMRE | McMahon and Northcott, 1978 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 26.7 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
![]() | 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 |
![]() | 24.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
![]() | 24.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 7.60 | kcal/mol | TDEq | Hiraoka, Shoda, et al., 1986 | gas phase; B,M |
![]() | 8.00 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.2 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
![]() | 19.6 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 2.10 | kcal/mol | TDEq | Hiraoka, Shoda, et al., 1986 | gas phase; B |
![]() | 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 |
---|---|---|---|---|---|
![]() | 2.20 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
![]() | 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 |
![]() | 4.6 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.4 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 1.70 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
![]() | 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 |
![]() | 4.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 19.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 4.7 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
![]() | 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 |
![]() | 17.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 1.80 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
![]() | 4.2 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 20.7 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
![]() | 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 |
![]() | 25.3 | cal/mol*K | HPMS | Peterson, Mark, et al., 1984 | gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 19.8 | kcal/mol | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
![]() | 18.0 | kcal/mol | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
![]() | 19.1 | kcal/mol | PHPMS | Jennings, Headley, et al., 1982 | gas phase; M |
![]() | 20.1 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 26.6 | cal/mol*K | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
![]() | 22.2 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
![]() | 27.1 | cal/mol*K | PHPMS | Jennings, Headley, et al., 1982 | gas phase; M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 1.80 | kcal/mol | N/A | Gomez, Taylor, et al., 2002 | gas phase; EA=Vertical Detachment Energy. Affinity is stepwise difference in EAs.; B |
![]() | 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 |
![]() | 4.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 7.30 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
![]() | 9.30 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 17.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
![]() | 24.2 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 2.1 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
![]() | 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 |
---|---|---|---|---|---|
![]() | 8.5 ± 0.3 | kcal/mol | DT | Illies, 1988 | gas phase; «DELTA»rH(0 K)=8.60 kcal/mol; M |
![]() | 7.7 ± 0.4 | kcal/mol | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |
![]() | 13.8 | kcal/mol | FA | Dunkin, Fehsenfeld, et al., 1971 | gas phase; switching reaction(NO+)NO, «DELTA»rH<; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.0 | cal/mol*K | DT | Illies, 1988 | gas phase; «DELTA»rH(0 K)=8.60 kcal/mol; M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 6.0 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 19.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 5.6 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
![]() | 8.3 | kcal/mol | EI | Cameron, Aitken, et al., 1994 | gas phase; M |
![]() | 3.3 | kcal/mol | PI | Linn and Ng, 1981 | gas phase; M |
![]() | 6.0 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 14.1 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 6.7 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 16.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 6.8 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
![]() | 6.80 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 22.4 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 0.1 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
![]() | 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 |
---|---|---|---|---|---|
![]() | 7.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
![]() | 7.20 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 20.8 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -1.4 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
![]() | 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 |
---|---|---|---|---|---|
![]() | 14.3 | kcal/mol | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
![]() | 15.3 | kcal/mol | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
![]() | 14.4 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 21.2 | cal/mol*K | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
![]() | 24.6 | cal/mol*K | PHPMS | Hiraoka, Shoda, et al., 1986 | gas phase; M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 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 |
![]() | 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 |
---|---|---|---|---|---|
![]() | 8.6 ± 0.5 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
![]() | 7.5 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.7 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
![]() | 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 |
---|---|---|---|---|---|
![]() | 7.2 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
![]() | -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 |
---|---|---|---|---|---|
![]() | 8.4 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 25. | cal/mol*K | N/A | Peterson, Mark, et al., 1984 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
![]() |
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 |
---|---|---|---|---|---|
![]() | 15.9 | kcal/mol | HPMS | Peterson, Mark, et al., 1984 | gas phase; M |
![]() | 13.7 | kcal/mol | FA | Perry, Rowe, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 20.1 | cal/mol*K | HPMS | Peterson, Mark, et al., 1984 | gas phase; M |
![]() | 19.8 | cal/mol*K | FA | Perry, Rowe, et al., 1980 | gas phase; M |
Free energy of reaction
![]() |
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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 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 |
---|---|---|---|---|---|
![]() | 6.40 | kcal/mol | TDAs | Hiraoka, Shoda, et al., 1986 | gas phase; entropy estimated.; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
![]() | -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 |
---|---|---|---|---|---|
![]() | 5.90 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
![]() | 7.10 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 1.0 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 87.60 | kcal/mol | Endo | Hierl and Paulson, 1984 | gas phase; Implies «DELTA»Hacid = 291.4, anion appears too stable - JEB; B |
By formula: (CO2+ 2CO2) + CO2 = (CO2+
3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 6.0 | kcal/mol | EI | Cameron, Aitken, et al., 1994 | gas phase; M |
![]() | 5.1 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; M |
![]() | 2.8 | kcal/mol | PI | Linn and Ng, 1981 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | 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 |
---|---|---|---|---|---|
![]() | 5.8 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 20.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 5.6 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 22.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 5.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 22.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 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 |
![]() | -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 |
---|---|---|---|---|---|
![]() | 7.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 22.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 7.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.2 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 6.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 23.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 4.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 4.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.4 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 4.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 19.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 4.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 19.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 6.60 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 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 |
---|---|---|---|---|---|
![]() | 6.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 6.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 25.9 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 5.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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 |
---|---|---|---|---|---|
![]() | 4.9 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 23.1 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | -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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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]
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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.,
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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,
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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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. [all data]
Bryson, Cazcarra, et al., 1974
Bryson, Charles E.; Cazcarra, Victor; Levenson, Leonard L.,
Sublimation rates and vapor pressures of water, carbon dioxide, nitrous oxide, and xenon,
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. [all data]
Ambrose, 1956
Ambrose, D.,
The vapour pressures and critical temperatures of acetylene and carbon dioxide,
Trans. Faraday Soc., 1956, 52, 772, https://doi.org/10.1039/tf9565200772
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Giauque and Egan, 1937, 2
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,
J. Chem. Phys., 1937, 5, 1, 45, https://doi.org/10.1063/1.1749929
. [all data]
Hiraoka, Nakajima, et al., 1988
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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 fH°gas
Enthalpy of formation of gas at standard conditions rG°
Free energy of reaction at standard conditions rH°
Enthalpy of reaction at standard conditions rS°
Entropy of reaction at standard conditions subH
Enthalpy of sublimation vapH
Enthalpy of vaporization c
Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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