Hydrogen chloride
- Formula: ClH
- Molecular weight: 36.461
- IUPAC Standard InChIKey: VEXZGXHMUGYJMC-UHFFFAOYSA-N
- CAS Registry Number: 7647-01-0
- 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: Hydrochloric ccid; Anhydrous hydrochloric acid; Chlorohydric acid; Hydrochloric acid gas; Hydrochloride; Muriatic acid; Salzsaeure; HCl; Hydrochloric acid, anhydrous; Hydrogen-chloride-anhydrous-; Acide chlorhydrique; Acido cloridrico; Chloorwaterstof; Chlorowodor; Chlorwasserstoff; NA 1789; Spirits of salt; UN 1050; UN 1789; UN 2186; Anhydrous hydrogen chloride; Hydrogen chloride (acid); Marine acid; Soldering acid; Spirit of salt; Spirits of salts; Hydrogen chloride (HCl); NSC 77365; Hydrochloric acid
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Gas phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Ion clustering data, 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 | -92.31 ± 0.10 | kJ/mol | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
ΔfH°gas | -92.31 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1964 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 186.902 ± 0.005 | J/mol*K | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
S°gas,1 bar | 186.90 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1964 |
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 1200. | 1200. to 6000. |
---|---|---|
A | 32.12392 | 31.91923 |
B | -13.45805 | 3.203184 |
C | 19.86852 | -0.541539 |
D | -6.853936 | 0.035925 |
E | -0.049672 | -3.438525 |
F | -101.6206 | -108.0150 |
G | 228.6866 | 218.2768 |
H | -92.31201 | -92.31201 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in September, 1964 | Data last reviewed in September, 1964 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, 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 |
---|---|---|---|---|---|
Tfus | 161.15 | K | N/A | Beckmann and Waentig, 1910 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ptriple | 0.13800 | bar | N/A | Henderson, Lewis, et al., 1986 | Uncertainty assigned by TRC = 0.00006 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 324.68 | K | N/A | Henderson, Lewis, et al., 1986 | Uncertainty assigned by TRC = 0.03 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 82.56 | bar | N/A | Henderson, Lewis, et al., 1986 | Uncertainty assigned by TRC = 0.0824 bar; VP measured up to 219 K and Pc determined from fitted Wagner equation; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
16.2 | 188. | C | Giauque and Wiebe, 1928 | AC |
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 |
---|---|---|---|---|---|
122.3 to 188.3 | 3.60765 | 535.172 | -39.847 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
188.3 to 309.4 | 4.57389 | 868.358 | 1.754 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
19.7 | 127. | Ser and Larher, 1990 | Based on data from 121. to 133. K.; AC |
19.6 | 142. | Ser and Larher, 1990 | Based on data from 134. to 150. K.; AC |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Ion clustering data, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
MS - José A. Martinho Simões
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: Cl- + HCl = (Cl- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 124. ± 4.2 | kJ/mol | N/A | Metz, Kitsopoulos, et al., 1988 | gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B |
ΔrH° | 99.6 ± 8.4 | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B,M |
ΔrH° | 96.7 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
ΔrH° | 99.16 ± 0.84 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
ΔrH° | 85.4 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 93.3 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Cl-)SO2; M |
ΔrS° | 98.3 | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
ΔrS° | 98.3 | J/mol*K | N/A | Larson and McMahon, 1984, 2 | gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M |
ΔrS° | 95.4 | J/mol*K | N/A | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 68.2 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; K = 0.60 for HCl..Cl- + DCL <=> DCl..Cl- + HCl, anchored to Larson and McMahon, 1984, 32; B |
ΔrG° | 72. ± 11. | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B |
ΔrG° | 66.9 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
ΔrG° | 69.9 ± 1.3 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
ΔrG° | 56.9 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1394.9 | kJ/mol | N/A | Martin and Hepburn, 1998 | gas phase; Given: ΔHacid(0K)=116288.7±0.6 cm-1, or 332.486±0.002 kcal/mol; B |
ΔrH° | 1396. ± 8.8 | kJ/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 1377.0 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeCC-(q); ; ΔS(EA)=5.0; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1372.8 ± 0.42 | kJ/mol | H-TS | Martin and Hepburn, 1998 | gas phase; Given: ΔHacid(0K)=116288.7±0.6 cm-1, or 332.486±0.002 kcal/mol; B |
ΔrG° | 1374. ± 8.4 | kJ/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrG° | 1354.4 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeCC-(q); ; ΔS(EA)=5.0; B |
By formula: (Cl- • HCl) + HCl = (Cl- • 2HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 63.60 ± 0.84 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
ΔrH° | 58.6 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Cl- HCl)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 85.4 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Cl- HCl)SO2; M |
ΔrS° | 102. | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 33.1 ± 0.84 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
By formula: I- + HCl = (I- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 61.9 ± 8.4 | kJ/mol | TDAs | Caldwell and Kebarle, 1985 | gas phase; B,M |
ΔrH° | 59.4 | kJ/mol | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 83.7 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; M |
ΔrS° | 95.0 | J/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 37. ± 11. | kJ/mol | TDAs | Caldwell and Kebarle, 1985 | gas phase; B |
By formula: HO4S- + HCl = (HO4S- • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 65.7 ± 4.2 | kJ/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 63.2 | J/mol*K | N/A | Bohringer, Fahey, et al., 1984 | gas phase; switching reaction(HSO4-)H2O, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 46.9 ± 4.2 | kJ/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M |
By formula: (Cl- • HCl • H2O) + HCl = (Cl- • 2HCl • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.5 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle,switching reaction(Cl- H2O) HCl, deuterated; Yamdagni and Kebarle, 1974; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 87.4 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle,switching reaction(Cl- H2O) HCl, deuterated; Yamdagni and Kebarle, 1974; M |
By formula: (Cl- • 2H2O) + HCl = (Cl- • HCl • 2H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.4 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 90.8 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980; M |
By formula: (Br- • O2S) + HCl = (Br- • HCl • O2S)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 93.7 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle,switching reaction(Br-)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.8 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle,switching reaction(Br-)SO2; M |
By formula: Br- + HCl = (Br- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 ± 8.4 | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 92.0 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Br-)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 54. ± 11. | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B |
By formula: (Cl- • 2HCl) + HCl = (Cl- • 3HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 49.0 ± 1.3 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 97.9 | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 19.7 ± 1.3 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
By formula: (Cl- • 3HCl) + HCl = (Cl- • 4HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 43.1 ± 2.9 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 112. | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.6 ± 4.2 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
By formula: (Cl- • 2HCl) + H2O = (Cl- • H2O • 2HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32. | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; deuterated, quoted in Keesee and Castleman, 1986; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 63.6 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; deuterated, quoted in Keesee and Castleman, 1986; M |
By formula: (Cl- • HCl) + H2O = (Cl- • H2O • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 43.9 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; deuterated, quoted in Keesee and Castleman, 1986; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 78.2 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; deuterated, quoted in Keesee and Castleman, 1986; M |
By formula: C2H3ClO + H2O = C2H4O2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -94.47 | kJ/mol | Cm | Devore and O'Neal, 1969 | liquid phase; Heat of hydrolysis; ALS |
ΔrH° | -92.30 | kJ/mol | Cm | Pritchard and Skinner, 1950 | liquid phase; Heat of hydrolysis at 298 K, see Carson and Skinner, 1949; ALS |
ΔrH° | -92.42 | kJ/mol | Cm | Carson and Skinner, 1949 | liquid phase; ALS |
By formula: (Cl- • H2O • HCl) + H2O = (Cl- • 2H2O • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 40. | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; deuterated, quoted in 86 KEE/CAS; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 85.4 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; deuterated, quoted in 86 KEE/CAS; M |
By formula: (Cl- • O2S) + HCl = (Cl- • HCl • O2S)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.2 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 80.3 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle; M |
By formula: C2H4Cl2 = C2H3Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.6 ± 4.2 | kJ/mol | Cm | Buravtsev, Grigor'ev, et al., 1992 | gas phase; ALS |
ΔrH° | 82.0 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; ALS |
ΔrH° | 68.2 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
ΔrH° | 67.95 | kJ/mol | Eqk | Ghosh and Guha, 1951 | liquid phase; ALS |
By formula: (Br- • HCl) + HCl = (Br- • 2HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 52.3 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Br-)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.0 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Br-)SO2; M |
By formula: C2H5Cl = C2H4 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 92.0 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; ALS |
ΔrH° | 71.5 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
ΔrH° | 72.6 ± 2.1 | kJ/mol | Eqk | Howlett, 1955 | gas phase; ALS |
ΔrH° | 71.5 | kJ/mol | Eqk | Lane, Linnett, et al., 1953 | gas phase; ALS |
By formula: C2H3Cl3 = C2H2Cl2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.9 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; ALS |
ΔrH° | 49.0 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
ΔrH° | 56.9 ± 2.1 | kJ/mol | Eqk | Levanova, Treger, et al., 1975 | liquid phase; solvent: Nitrobenzene; Flow reactor at 50°C; ALS |
By formula: H2O + C7H5ClO = C7H6O2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -34.04 ± 0.21 | kJ/mol | Cm | Moselhy and Pritchard, 1975 | liquid phase; solvent: Diphenyl-ether; see Carson, Pritchard, et al., 1950 and Davies, Dunning, et al., 1972; ALS |
ΔrH° | -101.9 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | liquid phase; Heat of hydrolysis; ALS |
By formula: C3H7Cl = C3H6 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 72.4 ± 0.8 | kJ/mol | Eqk | Noren and Sunner, 1970 | gas phase; ALS |
ΔrH° | 73.72 ± 0.63 | kJ/mol | Eqk | Kabo and Andreevskii, 1963 | gas phase; At 415.5 K; ALS |
ΔrH° | 73.0 ± 2.1 | kJ/mol | Eqk | Howlett, 1955 | gas phase; ALS |
By formula: C4H9Cl = C4H8 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 74. ± 2. | kJ/mol | Eqk | Howlett, 1955 | gas phase; ALS |
ΔrH° | 74.06 | kJ/mol | Eqk | Howlett, 1951 | gas phase; Hf-gas-(390) -44.4 kcal/mol; ALS |
ΔrH° | 72. ± 2. | kJ/mol | Eqk | Kistiakowsky and Stauffer, 1937 | gas phase; ALS |
By formula: HCl + C9H10 = C9H11Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -36.8 ± 1.9 | kJ/mol | Cm | Arnett and Pienta, 1980 | liquid phase; solvent: Methylene chloride; Hydrochlorination; ALS |
ΔrH° | -51.9 ± 4.6 | kJ/mol | Cm | Nesterova, Kovzel, et al., 1977 | liquid phase; Hydrochlorination; ALS |
By formula: (Cl- • H2O) + HCl = (Cl- • HCl • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.9 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 91.2 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; M |
By formula: CH3+ + HCl = (CH3+ • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 216. | 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 |
By formula: C3H6Cl2 = C3H5Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 65.1 | kJ/mol | Eqk | Levanova, Rodova, et al., 1983 | liquid phase; Flow reactor; ALS |
ΔrH° | 59.8 ± 0.8 | kJ/mol | Eqk | Shevtsova, Rozhnov, et al., 1970 | gas phase; Heat of Dehydrochlorination at 392 K; ALS |
By formula: C2H4Cl2 + 2H2 = C2H6 + 2HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -143.0 ± 0.96 | kJ/mol | Chyd | Lacher, Amador, et al., 1967 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -147.77 ± 0.50 kJ/mol; At 250 C; ALS |
By formula: 2H2 + C3H6Cl2 = C3H8 + 2HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -126.5 ± 1.1 | kJ/mol | Chyd | Lacher, Amador, et al., 1967 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -130.60 ± 0.54 kJ/mol; At 250 C; ALS |
By formula: 2H2 + CH2Cl2 = CH4 + 2HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -163.4 ± 1.3 | kJ/mol | Chyd | Lacher, Amador, et al., 1967 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -167.7 ± 1.3 kJ/mol; At 250 C; ALS |
By formula: 2H2 + C2H4Cl2 = C2H6 + 2HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -140.8 ± 1.0 | kJ/mol | Chyd | Lacher, Amador, et al., 1967 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -145.0 ± 0.50 kJ/mol; At 250C; ALS |
By formula: C4H8Cl2 = C4H7Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -8.79 ± 0.08 | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1972 | gas phase; At 568 K; ALS |
ΔrH° | 55.2 ± 0.3 | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1972 | gas phase; At 404.5 K; ALS |
By formula: C4H8Cl2 = C4H7Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -14. ± 0.08 | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1972 | gas phase; At 568 K; ALS |
ΔrH° | 5.0 ± 0.3 | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1972 | gas phase; At 404.5 K; ALS |
By formula: 2H2 + C2ClF3 = C2H3F3 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -267.7 ± 2.1 | kJ/mol | Chyd | Lacher, Kianpour, et al., 1956 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -271.6 kJ/mol; At 410 K; ALS |
By formula: (Cl- • HCl) + O2S = (Cl- • O2S • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.5 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.4 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; M |
By formula: (Br- • HCl) + O2S = (Br- • O2S • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.6 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.8 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; M |
By formula: C4H8Cl2 = C4H7Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 69.0 | kJ/mol | Eqk | Levanova, Rodova, et al., 1974 | gas phase; ALS |
ΔrH° | 66.53 ± 0.92 | kJ/mol | Eqk | Rodova, Levanova, et al., 1973 | gas phase; At 454 K; ALS |
By formula: C4H9ClO = C4H8O + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 68.2 ± 2.1 | kJ/mol | Eqk | Failes and Stimson, 1967 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 69.0 kJ/mol; At 450 K; ALS |
By formula: C2H2Cl4 = HCl + C2HCl3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 43.9 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
ΔrH° | 45.40 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1976 | liquid phase; At 333 K; ALS |
By formula: C2HCl5 = C2Cl4 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 45.1 ± 4.5 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; GC; ALS |
ΔrH° | 39. | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
2 (g) + (l) = AlCl3 (cr) + 2 (g)
By formula: 2HCl (g) + C4H10AlCl (l) = AlCl3 (cr) + 2C2H6 (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -265.0 ± 3.3 | kJ/mol | RSC | Shaulov and Shmyreva, 1968 | The reaction enthalpy was derived from data in Shaulov and Shmyreva, 1968.; MS |
By formula: C5H10Cl2 = C5H9Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 68. ± 1. | kJ/mol | Eqk | Meged, Levanova, et al., 1980 | gas phase; ALS |
ΔrH° | 68.2 ± 4.2 | kJ/mol | Eqk | Meged, Levanova, et al., 1980 | gas phase; ALS |
By formula: F- + HCl = (F- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 250. ± 8. | kJ/mol | ICR | Larson and McMahon, 1985 | gas phase; bracketing; M |
By formula: C4H8Cl2 = C4H7Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 61.1 | kJ/mol | Eqk | Levanova, Rodova, et al., 1974 | gas phase; ALS |
ΔrH° | 61.1 ± 0.4 | kJ/mol | Eqk | Rodova, Shevtsova, et al., 1974 | gas phase; ALS |
By formula: Na+ + HCl = (Na+ • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.0 | kJ/mol | FA | Perry, Rowe, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 85.4 | J/mol*K | FA | Perry, Rowe, et al., 1980 | gas phase; M |
By formula: C2H4Cl2 = C2H3Cl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 74.5 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; ALS |
ΔrH° | 61.9 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
By formula: C2H3Cl3 = C2H2Cl2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.5 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
ΔrH° | 65.3 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; ALS |
By formula: C2H2Cl4 = HCl + C2HCl3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 55.2 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; ALS |
ΔrH° | 44.8 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase; ALS |
C30H28Fe2Ti (cr) + 2( • 4.40) (solution) = 2 (cr) + (cr)
By formula: C30H28Fe2Ti (cr) + 2(HCl • 4.40H2O) (solution) = 2C10H10Fe (cr) + C10H10Cl2Ti (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -253.5 ± 4.5 | kJ/mol | RSC | Dias, Salema, et al., 1982 | Please also see Calhorda, Dias, et al., 1987.; MS |
By formula: C7H4Cl2O + H2O = C7H5ClO2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -39.8 ± 0.3 | kJ/mol | Cm | Moselhy and Pritchard, 1975 | liquid phase; solvent: Diphenyl-ether; Heat of hydrolysis; ALS |
Ion clustering data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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
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- + HCl = (Br- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 ± 8.4 | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 92.0 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Br-)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 54. ± 11. | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B |
By formula: (Br- • HCl) + HCl = (Br- • 2HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 52.3 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Br-)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.0 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Br-)SO2; M |
By formula: (Br- • O2S) + HCl = (Br- • HCl • O2S)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 93.7 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle,switching reaction(Br-)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 77.8 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle,switching reaction(Br-)SO2; M |
By formula: CH3+ + HCl = (CH3+ • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 216. | 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 |
By formula: C6H6+ + HCl = (C6H6+ • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31. | kJ/mol | PI | Walters, Grover, et al., 1985 | gas phase; M |
By formula: Cl- + HCl = (Cl- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 124. ± 4.2 | kJ/mol | N/A | Metz, Kitsopoulos, et al., 1988 | gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B |
ΔrH° | 99.6 ± 8.4 | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B,M |
ΔrH° | 96.7 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
ΔrH° | 99.16 ± 0.84 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
ΔrH° | 85.4 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 93.3 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Cl-)SO2; M |
ΔrS° | 98.3 | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
ΔrS° | 98.3 | J/mol*K | N/A | Larson and McMahon, 1984, 2 | gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M |
ΔrS° | 95.4 | J/mol*K | N/A | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 68.2 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; K = 0.60 for HCl..Cl- + DCL <=> DCl..Cl- + HCl, anchored to Larson and McMahon, 1984, 32; B |
ΔrG° | 72. ± 11. | kJ/mol | TDEq | Caldwell and Kebarle, 1985 | gas phase; B |
ΔrG° | 66.9 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
ΔrG° | 69.9 ± 1.3 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
ΔrG° | 56.9 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M |
By formula: (Cl- • HCl) + HCl = (Cl- • 2HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 63.60 ± 0.84 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
ΔrH° | 58.6 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Cl- HCl)SO2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 85.4 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; switching reaction(Cl- HCl)SO2; M |
ΔrS° | 102. | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 33.1 ± 0.84 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
By formula: (Cl- • 2HCl) + HCl = (Cl- • 3HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 49.0 ± 1.3 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 97.9 | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 19.7 ± 1.3 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
By formula: (Cl- • 3HCl) + HCl = (Cl- • 4HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 43.1 ± 2.9 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 112. | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.6 ± 4.2 | kJ/mol | TDAs | Yamdagni and Kebarle, 1974 | gas phase; B |
By formula: (Cl- • HCl • H2O) + HCl = (Cl- • 2HCl • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.5 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle,switching reaction(Cl- H2O) HCl, deuterated; Yamdagni and Kebarle, 1974; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 87.4 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle,switching reaction(Cl- H2O) HCl, deuterated; Yamdagni and Kebarle, 1974; M |
By formula: (Cl- • H2O) + HCl = (Cl- • HCl • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.9 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 91.2 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; M |
By formula: (Cl- • 2H2O) + HCl = (Cl- • HCl • 2H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.4 | kJ/mol | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 90.8 | J/mol*K | HPMS | Upschulte, Evans, et al., 1986 | gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980; M |
By formula: (Cl- • O2S) + HCl = (Cl- • HCl • O2S)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.2 | kJ/mol | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 80.3 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; From thermochemical cycle; M |
By formula: F- + HCl = (F- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 250. ± 8. | kJ/mol | ICR | Larson and McMahon, 1985 | gas phase; bracketing; M |
By formula: HCl+ + HCl = (HCl+ • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 84. | kJ/mol | PI | Tiedemann, Anderson, et al., 1979 | gas phase; M |
By formula: HO4S- + HCl = (HO4S- • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 65.7 ± 4.2 | kJ/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 63.2 | J/mol*K | N/A | Bohringer, Fahey, et al., 1984 | gas phase; switching reaction(HSO4-)H2O, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 46.9 ± 4.2 | kJ/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M |
By formula: I- + HCl = (I- • HCl)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 61.9 ± 8.4 | kJ/mol | TDAs | Caldwell and Kebarle, 1985 | gas phase; B,M |
ΔrH° | 59.4 | kJ/mol | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 83.7 | J/mol*K | PHPMS | Caldwell and Kebarle, 1985 | gas phase; M |
ΔrS° | 95.0 | J/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 37. ± 11. | kJ/mol | TDAs | Caldwell and Kebarle, 1985 | gas phase; B |
By formula: Na+ + HCl = (Na+ • HCl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.0 | kJ/mol | FA | Perry, Rowe, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 85.4 | J/mol*K | FA | Perry, Rowe, et al., 1980 | gas phase; M |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Ion clustering data, 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
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THE ENTROPY OF HYDROGEN CHLORIDE. HEAT CAPACITY FROM 16°K. TO BOILING POINT. HEAT OF VAPORIZATION. VAPOR PRESSURES OF SOLID AND LIQUID,
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Study of the Transition State Region in the Cl+HCl Reaction by Photoelectron Spectroscopy of ClHCl-,
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The hydrogen bond energies in ClHCl- and Cl-(HCl)n,
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Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-,
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Isotope Effects in Proton Transfer Reactions. An Ion Cyclotron Resonance Determination of the Equilibrium Deuterium Isotope Effect in the Bichloride Ion,
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Catalytic dehydrochlorination of ethylene dichloride,
Petroleum (London), 1951, 14, 261-264. [all data]
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The use of equilibrium constants to calculate thermodynamic quantities. Part II,
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Equilibrium of the vinylidene chloride-methylchloroform system,
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Moselhy and Pritchard, 1975
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The thermochemistry of the chloro-benzoyl chlorides,
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Davies, Dunning, et al., 1972
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Noren and Sunner, 1970
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Equilibrium of 2-chloropropane dehydrochlorination,
Neftekhimiya, 1963, 3, 764-770. [all data]
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The use of equilibrium constants to calculate thermodynamic quantities. Part I. Equilibria in the system tert.-butyl chloride, isobutene, hydrogen chloride,
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The kinetics of gaseous addition of halogen acids to isobutene, 1937, 165-170. [all data]
Arnett and Pienta, 1980
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Stabilities of carbonium ions in solution. 12. Heats of formation of alkyl chlorides as an entree to heats of solvation of aliphatic carbonium ions,
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Nesterova, Kovzel, et al., 1977
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Heats of reaction of the hydrohalogenation of styrene and α-methylstyrene,
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McMahon, Heinis, et al., 1988
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Methyl Cation Affinities,
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Foster, Williamson, et al., 1974
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Shevtsova, Rozhnov, et al., 1970
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Levanova, Rozhnov, et al., 1972
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Isomerization of dibromoethylenes,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1972, 15, 1821-1823. [all data]
Lacher, Kianpour, et al., 1956
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Rodova, Levanova, et al., 1973
Rodova, R.M.; Levanova, S.V.; Shevtsova, L.A.; Rozhnov, A.M.; Porfir'eva, E.I.,
Reversible reactions of 2,3-dichlorobutane,
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Failes and Stimson, 1967
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Aust. J. Chem., 1967, 20, 1553-1560. [all data]
Levanova, Bushneva, et al., 1976
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Liquid-phase dehydrochlorination of asymmetric tetrachloroethane,
Zh. Fiz. Khim., 1976, 50, 2701-2702. [all data]
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Meged, Levanova, et al., 1980
Meged, V.M.; Levanova, S.V.; Rozhnov, A.M.,
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Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B.,
Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria,
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Rodova, Shevtsova, et al., 1974
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Dehydrochlorination of 1,1-dichlorobutane and isomerization of chlorobutenes,
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Perry, Rowe, et al., 1980
Perry, R.A.; Rowe, B.R.; Viggiano, A.A.; Albritton, D.L.; Ferguson, E.E.; Fehsenfeld, F.C.,
Laboratory Measurements of Stratospheric Sodium Ion Measurements,
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. [all data]
Dias, Salema, et al., 1982
Dias, A.R.; Salema, M.S.; Martinho Simões, J.A.,
Organometallics, 1982, 1, 971. [all data]
Calhorda, Dias, et al., 1987
Calhorda, M.J.; Dias, A.R.; Minas da Piedade M.E.; Salema, M.S.; Martinho Simões J.A.,
Organometallics, 1987, 6, 734. [all data]
Walters, Grover, et al., 1985
Walters, E.A.; Grover, J.R.; White, M.G.; Hui, E.T.,
On the Structure and Thermochemistry of the van der Waals Molecule C6H6.HCl and its Photoion (C6H6.HCl)+,
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. [all data]
Tiedemann, Anderson, et al., 1979
Tiedemann, P.W.; Anderson, S.L.; Ceyer, S.T.; Hirooka, T.; Ng, C.Y.; Mahan, B.H.; Lee, Y.T.,
Proton affinities of hydrogen halides determined by the molecular beam photoionization method,
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Notes
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- Symbols used in this document:
Pc Critical pressure Ptriple Triple point pressure S°gas,1 bar Entropy of gas at standard conditions (1 bar) Tc Critical temperature Tfus Fusion (melting) point 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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