Krypton
- Formula: Kr
- Molecular weight: 83.798
- IUPAC Standard InChIKey: DNNSSWSSYDEUBZ-UHFFFAOYSA-N
- CAS Registry Number: 7439-90-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Kr; UN 1056; UN 1970
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Gas phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Site Links, NIST Free Links, 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 |
---|---|---|---|---|---|
S°gas,1 bar | 164.085 ± 0.003 | J/mol*K | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
S°gas,1 bar | 164.08 | J/mol*K | Review | Chase, 1998 | Data last reviewed in March, 1982 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 298. to 6000. |
---|---|
A | 20.78603 |
B | 4.850638×10-10 |
C | -1.582916×10-10 |
D | 1.525102×10-11 |
E | 3.196347×10-11 |
F | -6.197341 |
G | 189.2390 |
H | 0.000000 |
Reference | Chase, 1998 |
Comment | Data last reviewed in March, 1982 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Site Links, NIST Free Links, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 119.78 | K | N/A | Ziegler, Yarbrough, et al., 1964 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 115.76 | K | N/A | Ziegler, Yarbrough, et al., 1964 | Uncertainty assigned by TRC = 0.08 K; TRC |
Ttriple | 116.1 | K | N/A | Lahr and Eversole, 1962 | Uncertainty assigned by TRC = 0.4 K; TRC |
Ttriple | 115.95 | K | N/A | Clusius and Weigand, 1940 | Uncertainty assigned by TRC = 0.2 K; See property X for dP/dT for c-l equil.; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ptriple | 0.7315 | bar | N/A | Ziegler, Yarbrough, et al., 1964 | Uncertainty assigned by TRC = 0.0006 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 209.46 | K | N/A | Theeuwes and Bearman, 1970 | Uncertainty assigned by TRC = 0.02 K; PVT, VP measured up to 208 K. Tc from rect plot, equation. PRT, IPTS-48, PB with differential press. indicator, glc sensitive to 20 ppm impurity, none found.; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 55.2019 | bar | N/A | Theeuwes and Bearman, 1970 | Uncertainty assigned by TRC = 0.0551 bar; from Vapor pressure equation; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 11.0 | mol/l | N/A | Theeuwes and Bearman, 1970 | Uncertainty assigned by TRC = 0.109 mol/l; TRC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
126.68 to 208. | 4.2064 | 539.004 | 8.855 | Theeuwes and Bearman, 1970, 2 | Coefficents calculated by NIST from author's data. |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Site Links, NIST Free Links, 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
RCD - Robert C. Dunbar
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
By formula: Cs+ + Kr = (Cs+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.7 | kJ/mol | IMob | Gatland, 1984 | gas phase; M |
ΔrH° | 9.75 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 11.4 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 13. | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
ΔrH° | 12.8 | kJ/mol | IMob | Takebe, 1983 | gas phase; values form this reference are too high; M |
By formula: CH3+ + Kr = (CH3+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 184. | kJ/mol | PHPMS | McMahon, Heinis, et al., 1988 | gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 202. kJ/mol; Foster, Williamson, et al., 1974; M |
ΔrH° | 200. ± 10. | kJ/mol | ICR | Hovey and McMahon, 1987 | gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated; M |
By formula: Na+ + Kr = (Na+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.3 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 21.3 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 24. | kJ/mol | DT | McKnight and Sawina, 1973 | gas phase; M |
ΔrH° | 27.5 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.4 | J/mol*K | DT | McKnight and Sawina, 1973 | gas phase; M |
By formula: Cl- + Kr = (Cl- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.20 ± 0.42 | kJ/mol | LPES | Yourshaw, Lenzer, et al., 1998 | gas phase; Given: 0.0957(0.001) eV; B |
ΔrH° | 11.7 ± 1.7 | kJ/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -12.0 ± 1.7 | kJ/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; B |
By formula: Br- + Kr = (Br- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.60 ± 0.42 | kJ/mol | LPES | Yourshaw, Lenzer, et al., 1998 | gas phase; given: 0.0795(.001) eV; B |
ΔrH° | <11.3 | kJ/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; B |
ΔrH° | 8.37 | kJ/mol | Mobl | Gatland, 1984, 2 | gas phase; B,M |
By formula: Kr+ + Kr = (Kr+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 111. | kJ/mol | PI | Dehmer and Pratt, 1982 | gas phase; M |
ΔrH° | 110. | kJ/mol | PDiss | Abouaf, Huber, et al., 1978 | gas phase; M |
ΔrH° | 111. | kJ/mol | PI | Ng, Trevor, et al., 1977 | gas phase; M |
ΔrH° | 117. | kJ/mol | SCATTERING | Mittman and Weise, 1974 | gas phase; M |
By formula: K+ + Kr = (K+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.4 | kJ/mol | IMob | Gatland, 1984 | gas phase; M |
ΔrH° | 12.1 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 12.3 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 15.5 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
By formula: Cu+ + Kr = (Cu+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24. | kJ/mol | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Cu+ from laser desrption; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 78.7 | J/mol*K | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Cu+ from laser desrption; M |
By formula: Li+ + Kr = (Li+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.4 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 38. | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 68.6 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
By formula: Rb+ + Kr = (Rb+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.0 | kJ/mol | IMob | Gatland, 1984 | gas phase; M |
ΔrH° | 11.2 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 14.0 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
By formula: (Kr+ • 2Kr) + Kr = (Kr+ • 3Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.3 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 74.5 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: (Kr+ • 3Kr) + Kr = (Kr+ • 4Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.04 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 62.3 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: (Kr+ • 4Kr) + Kr = (Kr+ • 5Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.58 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 65.7 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: (Kr+ • 5Kr) + Kr = (Kr+ • 6Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.54 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 65.7 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: NO- + Kr = (NO- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.6 ± 3.8 | kJ/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
ΔrH° | 10.5 ± 1.7 | kJ/mol | N/A | Bowen and Eaton, 1988 | gas phase; B |
By formula: Xe+ + Kr = (Xe+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37. | kJ/mol | PI | Dehmer and Pratt, 1982 | gas phase; M |
ΔrH° | 36. | kJ/mol | PI | Ng, Tiedemann, et al., 1977 | gas phase; M |
By formula: H2O+ + Kr = (H2O+ • Kr)
Enthalpy of reaction
ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
32. (+9.6,-0.) | PD/KERD | Kim, Kuo, et al., 1990 | gas phase; M |
By formula: O2S+ + Kr = (O2S+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30. | kJ/mol | PDiss | Kim, Jarrold, et al., 1986 | gas phase; ΔrH<; M |
By formula: I- + Kr = (I- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.18 | kJ/mol | Ther | Zhao, Yourshaw, et al., 1994 | gas phase; B |
By formula: O2+ + Kr = (O2+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32. | kJ/mol | PDiss | Jarrold, Misev, et al., 1984 | gas phase; M |
By formula: CO2+ + Kr = (CO2+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 71.5 | kJ/mol | PI | Jarrold, Illies, et al., 1985 | gas phase; M |
By formula: Fe+ + Kr = (Fe+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30. ± 7.1 | kJ/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
Henry's Law data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference |
---|---|---|---|
0.0025 | 1900. | L | N/A |
0.0024 | 1500. | M | N/A |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Ion clustering data, Mass spectrum (electron ionization), Site Links, NIST Free Links, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to Kr+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 13.99961 ± 0.00001 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 424.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 402.4 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
13.99961 | EVAL | Lide, 1992 | LL |
13.99 | EI | Wetzel, Baiocchi, et al., 1987 | LBLHLM |
14.000 | S | Kelly, 1987 | LBLHLM |
14.000 | PE | Kimura, Katsumata, et al., 1981 | LLK |
13.99963 ± 0.00001 | S | Yoshino and Tanaka, 1979 | LLK |
14.6655 ± 0.00002 | S | Yoshino and Tanaka, 1979 | LLK |
14.0009 ± 0.0012 | S | Chaghtai and Hassan, 1973 | LLK |
13.992 ± 0.002 | TE | Spohr, Guyon, et al., 1971 | LLK |
14.661 ± 0.002 | TE | Spohr, Guyon, et al., 1971 | LLK |
13.99962 | S | Moore, 1970 | RDSH |
13.974 ± 0.004 | CI | Hotop and Niehaus, 1969 | RDSH |
14.00 ± 0.05 | EI | Gallegos and Klaver, 1967 | RDSH |
14.01 ± 0.01 | PI | Dibeler, Reese, et al., 1966 | RDSH |
13.999 ± 0.002 | PI | Nicholson, 1965 | RDSH |
14.05 | PE | Al-Joboury and Turner, 1963 | RDSH |
Ion clustering data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), Site Links, NIST Free Links, 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
RCD - Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: Br- + Kr = (Br- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.60 ± 0.42 | kJ/mol | LPES | Yourshaw, Lenzer, et al., 1998 | gas phase; given: 0.0795(.001) eV; B |
ΔrH° | <11.3 | kJ/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; B |
ΔrH° | 8.37 | kJ/mol | Mobl | Gatland, 1984, 2 | gas phase; B,M |
By formula: CH3+ + Kr = (CH3+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 184. | kJ/mol | PHPMS | McMahon, Heinis, et al., 1988 | gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 202. kJ/mol; Foster, Williamson, et al., 1974; M |
ΔrH° | 200. ± 10. | kJ/mol | ICR | Hovey and McMahon, 1987 | gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated; M |
By formula: CO2+ + Kr = (CO2+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 71.5 | kJ/mol | PI | Jarrold, Illies, et al., 1985 | gas phase; M |
By formula: Cl- + Kr = (Cl- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.20 ± 0.42 | kJ/mol | LPES | Yourshaw, Lenzer, et al., 1998 | gas phase; Given: 0.0957(0.001) eV; B |
ΔrH° | 11.7 ± 1.7 | kJ/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -12.0 ± 1.7 | kJ/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; B |
By formula: Cs+ + Kr = (Cs+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.7 | kJ/mol | IMob | Gatland, 1984 | gas phase; M |
ΔrH° | 9.75 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 11.4 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 13. | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
ΔrH° | 12.8 | kJ/mol | IMob | Takebe, 1983 | gas phase; values form this reference are too high; M |
By formula: Cu+ + Kr = (Cu+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24. | kJ/mol | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Cu+ from laser desrption; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 78.7 | J/mol*K | HPMS | El-Shall, Schriver, et al., 1989 | gas phase; Cu+ from laser desrption; M |
By formula: Fe+ + Kr = (Fe+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30. ± 7.1 | kJ/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: H2O+ + Kr = (H2O+ • Kr)
Enthalpy of reaction
ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
32. (+9.6,-0.) | PD/KERD | Kim, Kuo, et al., 1990 | gas phase; M |
By formula: I- + Kr = (I- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.18 | kJ/mol | Ther | Zhao, Yourshaw, et al., 1994 | gas phase; B |
By formula: K+ + Kr = (K+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.4 | kJ/mol | IMob | Gatland, 1984 | gas phase; M |
ΔrH° | 12.1 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 12.3 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 15.5 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
By formula: Kr+ + Kr = (Kr+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 111. | kJ/mol | PI | Dehmer and Pratt, 1982 | gas phase; M |
ΔrH° | 110. | kJ/mol | PDiss | Abouaf, Huber, et al., 1978 | gas phase; M |
ΔrH° | 111. | kJ/mol | PI | Ng, Trevor, et al., 1977 | gas phase; M |
ΔrH° | 117. | kJ/mol | SCATTERING | Mittman and Weise, 1974 | gas phase; M |
By formula: (Kr+ • 2Kr) + Kr = (Kr+ • 3Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.3 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 74.5 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: (Kr+ • 3Kr) + Kr = (Kr+ • 4Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.04 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 62.3 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: (Kr+ • 4Kr) + Kr = (Kr+ • 5Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.58 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 65.7 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: (Kr+ • 5Kr) + Kr = (Kr+ • 6Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.54 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 65.7 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase; M |
By formula: Li+ + Kr = (Li+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.4 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 38. | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 68.6 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
By formula: NO- + Kr = (NO- • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.6 ± 3.8 | kJ/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
ΔrH° | 10.5 ± 1.7 | kJ/mol | N/A | Bowen and Eaton, 1988 | gas phase; B |
By formula: Na+ + Kr = (Na+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.3 | kJ/mol | SCATTERING | Gislason, 1984 | gas phase; M |
ΔrH° | 21.3 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 24. | kJ/mol | DT | McKnight and Sawina, 1973 | gas phase; M |
ΔrH° | 27.5 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.4 | J/mol*K | DT | McKnight and Sawina, 1973 | gas phase; M |
By formula: O2+ + Kr = (O2+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32. | kJ/mol | PDiss | Jarrold, Misev, et al., 1984 | gas phase; M |
By formula: O2S+ + Kr = (O2S+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30. | kJ/mol | PDiss | Kim, Jarrold, et al., 1986 | gas phase; ΔrH<; M |
By formula: Rb+ + Kr = (Rb+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.0 | kJ/mol | IMob | Gatland, 1984 | gas phase; M |
ΔrH° | 11.2 | kJ/mol | IMob | Viehland, 1984 | gas phase; M |
ΔrH° | 14.0 | kJ/mol | IMob | Takebe, 1983 | gas phase; M |
By formula: Xe+ + Kr = (Xe+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37. | kJ/mol | PI | Dehmer and Pratt, 1982 | gas phase; M |
ΔrH° | 36. | kJ/mol | PI | Ng, Tiedemann, et al., 1977 | gas phase; M |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Site Links, NIST Free Links, 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
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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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Origin | ATLANTIC REFINING CO., PHILADELPHIA, PENNSYLVANIA |
NIST MS number | 34227 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Site Links, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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Jarrold, Misev, et al., 1984
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Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Site Links, NIST Free Links, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy Pc Critical pressure Ptriple Triple point pressure S°gas,1 bar Entropy of gas at standard conditions (1 bar) T Temperature Tboil Boiling point Tc Critical temperature 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 ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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