Hydrogen
- Formula: H2
- Molecular weight: 2.01588
- IUPAC Standard InChIKey: UFHFLCQGNIYNRP-UHFFFAOYSA-N
- CAS Registry Number: 1333-74-0
- 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: Dihydrogen; o-Hydrogen; p-Hydrogen; Molecular hydrogen; H2; UN 1049; UN 1966
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- Information on this page:
- Other data available:
- Gas phase thermochemistry data
- Phase change data
- Reaction thermochemistry data: reactions 51 to 100, reactions 101 to 150, reactions 151 to 200, reactions 201 to 250, reactions 251 to 300, reactions 301 to 350, reactions 351 to 400, reactions 401 to 450, reactions 451 to 500, reactions 501 to 550, reactions 551 to 600, reactions 601 to 621
- Henry's Law data
- Gas phase ion energetics data
- Ion clustering data
- Mass spectrum (electron ionization)
- Constants of diatomic molecules
- Fluid Properties
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Reaction thermochemistry data
Go To: Top, 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:
MS - José A. Martinho Simões
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
(solution) +
(solution) = 2
(solution)
By formula: C8Co2O8 (solution) + H2 (solution) = 2C4HCoO4 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 4.7 ± 0.2 | kcal/mol | EqS | Rathke, Klingler, et al., 1992 | solvent: Supercritical carbon dioxide; Temperature range: 333-453 K. The results corrected for 1 atm pressure of H2 are 3.99 kcal/mol and -17.6 J/(mol K) Rathke, Klingler, et al., 1992; MS |
![]() | 3.1 ± 0.2 | kcal/mol | EqS | Bor, 1986 | solvent: n-Hexane; Temperature range: ca. 300-420 K; MS |
![]() | 6.31 | kcal/mol | KinS | Alemdaroglu, Penninger, et al., 1976 | solvent: n-Heptane; The reaction enthalpy relies on the experimental values for the forward and reverse activation enthalpies, 72.4 and 11.0 kcal/mol, respectively Alemdaroglu, Penninger, et al., 1976. A rather different value has, however, been reported for the activation enthalpy of the forward reaction, 25.00 kcal/mol Ungváry, 1972; MS |
![]() | 6.60 | kcal/mol | EqS | Alemdaroglu, Penninger, et al., 1976 | solvent: n-Heptane; Temperature range: 353-428 K; MS |
![]() | 3.20 | kcal/mol | EqS | Ungváry, 1972 | solvent: n-Heptane; Temperature range: 307-428 K. The results corrected for 1 atm pressure of H2 are 4.30 kcal/mol and -10.9 J/(mol K) Rathke, Klingler, et al., 1992; MS |
By formula: H3+ + H2 = (H3+ H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 6.9 ± 0.4 | kcal/mol | AVG | N/A | Average of 4 out of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 17.4 - 17.4 | cal/mol*K | RNG | N/A | Range of 6 values; Individual data points |
C11H2O11Os (solution) + (solution) =
(g) +
(solution)
By formula: C11H2O11Os (solution) + CO (solution) = H2 (g) + C12O12Os3 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -9.0 ± 2.3 | kcal/mol | ES/KS | Poë, Sampson, et al., 1993 | solvent: Decalin; Calculated from equilibrium and kinetic data Poë, Sampson, et al., 1993.; MS |
![]() | -18.5 ± 2.3 | kcal/mol | N/A | Poë, Sampson, et al., 1993 | solvent: Decalin; Calculated from data for the reactions Os3(CO)10(H)2(solution) + CO(solution) = Os3(CO)11(H)2(solution) (hrxn [kJ/mol]=-39.7±1.3, srxn [J/(mol K)]=-80.3±3.8) and Os3(CO)11(H)2(solution) + CO(solution) = Os3(CO)12(solution) + H2(g) (hrxn [kJ/mol]=-37.7±9.6, srxn [J/(mol K)]=-32.6±27.6) Poë, Sampson, et al., 1993.; MS |
By formula: C6H10 + H2 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -28. ± 1. | kcal/mol | AVG | N/A | Average of 8 values; Individual data points |
(cr) +
(g) = 2C8H6CrO3 (cr)
By formula: C16H10Cr2O6 (cr) + H2 (g) = 2C8H6CrO3 (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -3.32 ± 0.96 | kcal/mol | RSC | Landrum and Hoff, 1985 | The reaction enthalpy was obtained from the value for the reaction 2Cr(Cp)(CO)3(H)(cr) + 1,3-cy-C6H8(solution) = [Cr(Cp)(CO)3]2(cr) + cy-C6H10(solution), -23.5 ± 0.91 kcal/mol Landrum and Hoff, 1985, together with the calculated enthalpy for 1,3-cy-C6H8(l) + H2(g) = cy-C6H10(l), -112.2±1.3 Pedley, 1994. It was assumed that 1,3-cy-C6H8 and cy-C6H10 have similar solution enthalpies in heptane; MS |
![]() | -3.6 ± 1.0 | kcal/mol | DSC | Landrum and Hoff, 1985 | The reaction enthalpy was obtained from the value for the reaction 2Cr(Cp)(CO)3(H)(cr) + 1,3-cy-C6H8(solution) = [Cr(Cp)(CO)3]2(cr) + cy-C6H10(solution), -23.5 ± 0.91 kcal/mol Landrum and Hoff, 1985, together with the calculated enthalpy for 1,3-cy-C6H8(l) + H2(g) = cy-C6H10(l), -112.2±1.3 Pedley, 1994. It was assumed that 1,3-cy-C6H8 and cy-C6H10 have similar solution enthalpies in heptane; MS |
By formula: H2 + C6H12 = C6H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -30.0 ± 0.6 | kcal/mol | AVG | N/A | Average of 8 values; Individual data points |
By formula: (H3+ H2) + H2 = (H3+
2H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 3.3 ± 0.2 | kcal/mol | PHPMS | Hiraoka, 1987 | gas phase; M |
![]() | 3.1 | kcal/mol | HPMS | Beuhler, Ehrenson, et al., 1983 | gas phase; M |
![]() | 3.4 | kcal/mol | HPMS | Beuhler, Ehrenson, et al., 1983 | gas phase; deuterated; M |
![]() | 4.1 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1975 | gas phase; M |
![]() | 1.8 | kcal/mol | HPMS | Bennett and Field, 1972 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 17.4 | cal/mol*K | PHPMS | Hiraoka, 1987 | gas phase; M |
![]() | 16.9 | cal/mol*K | HPMS | Beuhler, Ehrenson, et al., 1983 | gas phase; M |
![]() | 16.1 | cal/mol*K | HPMS | Beuhler, Ehrenson, et al., 1983 | gas phase; deuterated; M |
![]() | 19.8 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1975 | gas phase; M |
![]() | 10.8 | cal/mol*K | HPMS | Bennett and Field, 1972 | gas phase; Entropy change is questionable; M |
By formula: H2 + C7H14 = C7H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -29.8 ± 0.5 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
By formula: C8H16 + H2 = C8H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -30. ± 2. | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 400.40 | kcal/mol | N/A | Shiell, Hu, et al., 2000 | gas phase; Given: 139714.8±1 cm-1 at 0K, or 399.465±0.003 kcal/mol; B |
![]() | 400.40 | kcal/mol | N/A | Pratt, McCormack, et al., 1992 | gas phase; 399.46±0.01 kcal/mol at 0K; 0.94 correction, Gurvich, Veyts, et al.; B |
![]() | 400.40 | kcal/mol | D-EA | Lykke, Murray, et al., 1991 | gas phase; Reported: 6082.99±0.15 cm-1, or 0.754195(18) eV; B |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 394.20 ± 0.10 | kcal/mol | H-TS | Shiell, Hu, et al., 2000 | gas phase; Given: 139714.8±1 cm-1 at 0K, or 399.465±0.003 kcal/mol; B |
![]() | 394.20 | kcal/mol | H-TS | Lykke, Murray, et al., 1991 | gas phase; Reported: 6082.99±0.15 cm-1, or 0.754195(18) eV; B |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -26.94 ± 0.13 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane; ALS |
![]() | -26.8 ± 0.2 | kcal/mol | Chyd | Roth and Lennartz, 1980 | liquid phase; solvent: Cyclohexane; ALS |
![]() | -26.04 ± 0.44 | kcal/mol | Chyd | Turner, Jarrett, et al., 1973 | liquid phase; solvent: Acetic acid; ALS |
![]() | -26.2 ± 0.2 | kcal/mol | Chyd | Rogers and McLafferty, 1971 | liquid phase; solvent: Hydrocarbon; ALS |
![]() | -26.67 ± 0.06 | kcal/mol | Chyd | Dolliver, Gresham, et al., 1937 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -26.92 ± 0.06 kcal/mol; At 355 °K; ALS |
By formula: H2 + C8H14 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -24.3 | kcal/mol | Chyd | Doering, Roth, et al., 1989 | liquid phase; ALS |
![]() | -24.5 ± 0.2 | kcal/mol | Chyd | Roth and Lennartz, 1980 | liquid phase; solvent: Cyclohexane; ALS |
![]() | -23.04 ± 0.17 | kcal/mol | Chyd | Rogers, Von Voithenberg, et al., 1978 | liquid phase; solvent: Hexane; ALS |
![]() | -23.0 ± 0.1 | kcal/mol | Chyd | Turner and Meador, 1957 | liquid phase; solvent: Acetic acid; ALS |
![]() | -23.28 ± 0.15 | kcal/mol | Chyd | Conn, Kistiakowsky, et al., 1939 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -23.53 ± 0.04 kcal/mol; At 355 K; ALS |
0.5C36H84Cl2P4Rh2 (solution) + (g) = C18H44ClP2Rh (solution)
By formula: 0.5C36H84Cl2P4Rh2 (solution) + H2 (g) = C18H44ClP2Rh (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -23.6 ± 0.65 | kcal/mol | RSC | Wang, Rosini, et al., 1995 | solvent: Benzene; The reaction enthalpy was calculated from the enthalpies of the reactions Rh[P(i-Pr)3]2(Cl)(H)2(solution) + t-BuNC(solution) = Rh[P(i-Pr)3]2(Cl)(CN-t-Bu)(solution) + H2(g), -9.89 ± 0.41 kcal/mol, and 0.5{Rh[P(i-Pr)3]2(Cl)}2(solution) + t-BuNC(solution) = Rh[P(i-Pr)3]2(Cl)(CN-t-Bu)(solution), -33.51 ± 0.50 kcal/mol Wang, Rosini, et al., 1995. The enthalpy of solution of {Rh[P(i-Pr)3]2(Cl)}2(cr) was measured as 4.80 ± 0.31 kcal/mol Wang, Rosini, et al., 1995.; MS |
By formula: H2 + C6H10 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -24.09 ± 0.15 | kcal/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase; ALS |
![]() | -24.22 ± 0.12 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane; ALS |
![]() | -23.01 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -23.01 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid; ALS |
![]() | -23.01 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1957, 2 | liquid phase; solvent: Acetic acid; ALS |
By formula: 2H2 + C6H10 = C6H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -60.3 ± 0.4 | kcal/mol | Chyd | Fang and Rogers, 1992 | liquid phase; solvent: Cyclohexane; ALS |
![]() | -60.69 ± 0.65 | kcal/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Dioxane; ALS |
![]() | -60.17 ± 0.37 | kcal/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid; ALS |
![]() | -60.03 ± 0.10 | kcal/mol | Chyd | Kistiakowsky, Ruhoff, et al., 1936 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -60.53 ± 0.15 kcal/mol; At 355 °K; ALS |
By formula: H2 + C7H12 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -24.36 ± 0.15 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane; ALS |
![]() | -23.5 ± 0.2 | kcal/mol | Chyd | Rogers and McLafferty, 1971 | liquid phase; solvent: Hydrocarbon; ALS |
![]() | -23.56 ± 0.11 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -23.56 ± 0.11 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid; ALS |
By formula: H2 + C7H12 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -25.6 ± 0.1 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane; ALS |
![]() | -24.2 ± 0.2 | kcal/mol | Chyd | Rogers and McLafferty, 1971 | liquid phase; solvent: Hydrocarbon; ALS |
![]() | -24.88 ± 0.12 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -24.88 ± 0.12 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid; ALS |
By formula: H2 + C6H10 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -27.70 ± 0.23 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane; ALS |
![]() | -26.88 ± 0.02 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -26.85 ± 0.05 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid; ALS |
![]() | -26.82 ± 0.08 | kcal/mol | Chyd | Turner and Garner, 1957, 2 | liquid phase; solvent: Acetic acid; ALS |
By formula: C3H7+ + H2 = (C3H7+ H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 2.5 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1976 | gas phase; Entropy change calculated or estimated, DG<, «DELTA»rH<; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 20. | cal/mol*K | N/A | Hiraoka and Kebarle, 1976 | gas phase; Entropy change calculated or estimated, DG<, «DELTA»rH<; M |
Free energy of reaction
![]() |
T (K) | Method | Reference | Comment |
---|---|---|---|---|
0.9 | 170. | PHPMS | Hiraoka and Kebarle, 1976 | gas phase; Entropy change calculated or estimated, DG<, «DELTA»rH<; M |
By formula: Co+ + H2 = (Co+ H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 20. ± 1. | kcal/mol | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(O K)=18.2 kcal/mol, «DELTA»rS(300 K)=20.6 cal/mol*K; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 22.0 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(O K)=18.2 kcal/mol, «DELTA»rS(300 K)=20.6 cal/mol*K; M |
Enthalpy of reaction
![]() |
T (K) | Method | Reference | Comment |
---|---|---|---|---|
17.5 (+2.3,-0.) | CID | Haynes and Armentrout, 1996 | gas phase; guided ion beam CID; M |
By formula: C5H10 + H2 = C5H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -30.27 ± 0.58 | kcal/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Dioxane; ALS |
![]() | -29.87 ± 0.42 | kcal/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Hexane; ALS |
![]() | -29.30 ± 0.57 | kcal/mol | Chyd | Rogers and Skanupong, 1974 | liquid phase; solvent: Hexane; ALS |
![]() | -28.5 ± 0.3 | kcal/mol | Chyd | Rogers and McLafferty, 1971 | liquid phase; solvent: Hydrocarbon; ALS |
By formula: C7H12 + H2 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -28.56 ± 0.16 | kcal/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase; ALS |
![]() | -27.75 ± 0.13 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -27.75 ± 0.13 | kcal/mol | Eqk | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid; ALS |
![]() | -28.70 ± 0.07 | kcal/mol | Chyd | Turner and Garner, 1957, 2 | liquid phase; solvent: Acetic acid; ALS |
By formula: H2 + C7H12 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -26.4 ± 0.1 | kcal/mol | Chyd | Roth and Lennartz, 1980 | liquid phase; solvent: Cyclohexane; ALS |
![]() | -25.85 ± 0.09 | kcal/mol | Chyd | Turner, Meador, et al., 1957 | liquid phase; solvent: Acetic acid; ALS |
![]() | -26.02 ± 0.15 | kcal/mol | Chyd | Conn, Kistiakowsky, et al., 1939 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -26.52 ± 0.02 kcal/mol; At 355 K; ALS |
By formula: 3H2 + C7H8 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -72.8 ± 0.1 | kcal/mol | Chyd | Roth, Klaerner, et al., 1983 | liquid phase; solvent: Isooctane; ALS |
![]() | -70.49 ± 0.39 | kcal/mol | Chyd | Turner, Meador, et al., 1957 | liquid phase; solvent: Acetic acid; ALS |
![]() | -72.11 ± 0.30 | kcal/mol | Chyd | Conn, Kistiakowsky, et al., 1939 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -72.85 ± 0.01 kcal/mol; at 355 K; ALS |
By formula: 2H2 + C6H10 = C6H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -55.31 ± 0.72 | kcal/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Dioxane; ALS |
![]() | -54.26 ± 0.67 | kcal/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Hexane; ALS |
![]() | -53.39 ± 0.15 | kcal/mol | Chyd | Dolliver, Gresham, et al., 1937 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -53.87 ± 0.15 kcal/mol; At 355 °K; ALS |
By formula: C5H5N + 3H2 = C5H11N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -46.31 ± 0.18 | kcal/mol | Eqk | Hales and Herington, 1957 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -48.32 ± 0.18 kcal/mol; At 400-550 K; ALS |
![]() | -46.12 ± 0.50 | kcal/mol | Eqk | Burrows and King, 1935 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -45.00 kcal/mol; At 423-443 K; ALS |
By formula: C8H16 + H2 = C8H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -25.5 | kcal/mol | Chyd | Turner, Nettleton, et al., 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -26.99 ± 0.06 | kcal/mol | Chyd | Dolliver, Gresham, et al., 1937 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -27.24 ± 0.06 kcal/mol; At 355 °K; ALS |
![]() | -28.58 ± 0.80 | kcal/mol | Chyd | Crawford and Parks, 1936 | liquid phase; ALS |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -29.5 ± 1.2 | kcal/mol | Chyd | Kistiakowsky and Nickle, 1951 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -29.85 ± 0.50 kcal/mol; ALS |
![]() | -29.87 ± 0.10 | kcal/mol | Chyd | Kistiakowsky, Ruhoff, et al., 1935 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -30.115 ± 0.013 kcal/mol; At 355 °K; ALS |
By formula: (Co+ CH4) + H2 = (Co+
H2
CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 22.9 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993, 2 | gas phase; switching reaction(Co+).2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993; M |
Enthalpy of reaction
![]() |
T (K) | Method | Reference | Comment |
---|---|---|---|---|
17.4 (+0.8,-0.) | SIDT | Kemper, Bushnell, et al., 1993, 2 | gas phase; switching reaction(Co+).2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993; M |
By formula: H2 + C3H6O = C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -16.43 ± 0.10 | kcal/mol | Cm | Wiberg, Crocker, et al., 1991 | liquid phase; ALS |
![]() | -13.20 | kcal/mol | Eqk | Buckley and Herington, 1965 | gas phase; ALS |
![]() | -13.24 ± 0.10 | kcal/mol | Chyd | Dolliver, Gresham, et al., 1938 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -13.4 ± 0.1 kcal/mol; At 355 °K; ALS |
By formula: (Co+ H2) + CH4 = (Co+
CH4
H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 21.8 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993, 2 | gas phase; switching reaction(Co+)2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993; M |
Enthalpy of reaction
![]() |
T (K) | Method | Reference | Comment |
---|---|---|---|---|
22.6 (+1.2,-0.) | SIDT | Kemper, Bushnell, et al., 1993, 2 | gas phase; switching reaction(Co+)2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993; M |
By formula: C8H14 + H2 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -26.2 ± 0.3 | kcal/mol | Chyd | Rogers and McLafferty, 1971 | liquid phase; solvent: Hydrocarbon; ALS |
![]() | -26.32 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -26.32 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid; ALS |
By formula: H2 + C8H14 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -34.5 ± 0.1 | kcal/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase; see Doering, Roth, et al., 1989; ALS |
![]() | -34.41 ± 0.43 | kcal/mol | Chyd | Rogers, Von Voithenberg, et al., 1978 | liquid phase; solvent: Hexane; ALS |
![]() | -32.24 ± 0.21 | kcal/mol | Chyd | Turner and Meador, 1957 | liquid phase; solvent: Acetic acid; ALS |
By formula: (Co+ H2) + H2 = (Co+
2H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 18.0 ± 0.6 | kcal/mol | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=17.0 kcal/mol, «DELTA»rS(300 K)=24.5 cal/mol*K; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 24.5 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=17.0 kcal/mol, «DELTA»rS(300 K)=24.5 cal/mol*K; M |
By formula: (Co+ 2H2) + H2 = (Co+
3H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 10.6 ± 0.4 | kcal/mol | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=9.6 kcal/mol, «DELTA»rS(300 K)=20.5 cal/mol*K; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 20.5 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=9.6 kcal/mol, «DELTA»rS(300 K)=20.5 cal/mol*K; M |
By formula: (Co+ 3H2) + H2 = (Co+
4H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 10.4 ± 0.6 | kcal/mol | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=9.6 kcal/mol, «DELTA»rS(300 K)=25.2 cal/mol*K; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 24.2 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=9.6 kcal/mol, «DELTA»rS(300 K)=25.2 cal/mol*K; M |
By formula: (Co+ 4H2) + H2 = (Co+
5H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 5.2 ± 0.6 | kcal/mol | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=4.3 kcal/mol, «DELTA»rS(300 K)=21.9 cal/mol*K; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 22.5 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=4.3 kcal/mol, «DELTA»rS(300 K)=21.9 cal/mol*K; M |
By formula: (Co+ 5H2) + H2 = (Co+
6H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 4.7 ± 0.6 | kcal/mol | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=4.0 kcal/mol, «DELTA»rS(300 K)=23.8 cal/mol*K; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 23.7 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=4.0 kcal/mol, «DELTA»rS(300 K)=23.8 cal/mol*K; M |
By formula: (Co+ 6H2) + H2 = (Co+
7H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 1.5 ± 0.7 | kcal/mol | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=0.8 kcal/mol; «DELTA»rS(300 K)=18.0 cal/mol*K; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.0 | cal/mol*K | SIDT | Kemper, Bushnell, et al., 1993 | gas phase; «DELTA»rH(0 K)=0.8 kcal/mol; «DELTA»rS(300 K)=18.0 cal/mol*K; M |
By formula: (H3+ 3H2) + H2 = (H3+
4H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 1.7 ± 0.1 | kcal/mol | PHPMS | Hiraoka, 1987 | gas phase; M |
![]() | 2.4 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1975 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 17.9 | cal/mol*K | PHPMS | Hiraoka, 1987 | gas phase; M |
![]() | 19.3 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1975 | gas phase; M |
By formula: (H3+ 2H2) + H2 = (H3+
3H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 3.2 ± 0.1 | kcal/mol | PHPMS | Hiraoka, 1987 | gas phase; M |
![]() | 3.8 | kcal/mol | PHPMS | Hiraoka and Kebarle, 1975 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 18.5 | cal/mol*K | PHPMS | Hiraoka, 1987 | gas phase; M |
![]() | 20.2 | cal/mol*K | PHPMS | Hiraoka and Kebarle, 1975 | gas phase; M |
By formula: H2 + C8H16 = C8H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -28.25 ± 0.1 | kcal/mol | Chyd | Rogers, Dejroongruang, et al., 1992 | liquid phase; solvent: Cyclohexane; ALS |
![]() | -28.62 ± 0.52 | kcal/mol | Chyd | Rogers and Siddiqui, 1975 | liquid phase; solvent: n-Hexane; ALS |
![]() | -27.39 ± 0.14 | kcal/mol | Chyd | Turner, Jarrett, et al., 1973 | liquid phase; solvent: Acetic acid; ALS |
By formula: 2H2 + C8H14 = C8H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -64.22 ± 0.26 | kcal/mol | Chyd | Rogers, Dagdagan, et al., 1979 | liquid phase; solvent: Hexane; ALS |
![]() | -62.80 ± 0.16 | kcal/mol | Chyd | Turner, Jarrett, et al., 1973 | liquid phase; solvent: Acetic acid; ALS |
![]() | -62.8 | kcal/mol | Chyd | Sicher, Svoboda, et al., 1966 | liquid phase; solvent: Acetic acid; ALS |
By formula: H2 + C8H14O = C8H16O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -13.32 | kcal/mol | Chyd | Wiberg, Crocker, et al., 1991 | liquid phase; ALS |
![]() | -12.70 | kcal/mol | Chyd | Wiberg, Crocker, et al., 1991 | solid phase; ALS |
![]() | -9.31 | kcal/mol | Chyd | Wiberg, Crocker, et al., 1991 | gas phase; ALS |
![]() | -12.70 ± 0.14 | kcal/mol | Cm | Wiberg, Crocker, et al., 1991 | solid phase; ALS |
By formula: H2 + C7H12 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -26.63 ± 0.088 | kcal/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase; ALS |
![]() | -25.41 ± 0.11 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid; ALS |
![]() | -25.41 ± 0.11 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid; ALS |
By formula: 2H2 + C7H10 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -49.92 ± 0.08 | kcal/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid; ALS |
![]() | -50.77 ± 0.15 | kcal/mol | Chyd | Conn, Kistiakowsky, et al., 1939 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -51.26 ± 0.05 kcal/mol; At 355 K; ALS |
By formula: H2 + C7H10 = C7H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -32.8 ± 0.1 | kcal/mol | Chyd | Doering, Roth, et al., 1988 | gas phase; ALS |
![]() | -33.82 ± 0.28 | kcal/mol | Chyd | Rogers, Choi, et al., 1980 | liquid phase; solvent: Hexane; Author was aware that data differs from previously reported values; ALS |
![]() | -33.13 ± 0.21 | kcal/mol | Chyd | Turner, Meador, et al., 1957 | liquid phase; solvent: Acetic acid; ALS |
By formula: C3H6O + H2 = C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -20.14 ± 0.09 | kcal/mol | Cm | Wiberg, Crocker, et al., 1991 | liquid phase; solvent: Triglyme; Heat of hydrogenation; ALS |
![]() | -16.62 ± 0.18 | kcal/mol | Eqk | Connett, 1972 | gas phase; At 473-524 K; ALS |
![]() | -15.72 ± 0.16 | kcal/mol | Chyd | Buckley and Cox, 1967 | gas phase; ALS |
By formula: 2H2 + C6H8 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | -53.64 ± 0.29 | kcal/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid; ALS |
![]() | -54.88 ± 0.10 | kcal/mol | Chyd | Kistiakowsky, Ruhoff, et al., 1936 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -55.4 ± 0.1 kcal/mol; At 355 °K; ALS |
(solution) +
(solution) = 2
(solution)
By formula: C10Mn2O10 (solution) + H2 (solution) = 2C5HMnO5 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 8.70 ± 0.31 | kcal/mol | EqS | Klingler R.J. and Rathke, 1992 | solvent: Supercritical carbon dioxide; Temperature range: 373-463 K; MS |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rathke, Klingler, et al., 1992
Rathke, J.W.; Klingler, R.J.; Krause, T.R.,
Organometallics, 1992, 11, 585. [all data]
Bor, 1986
Bor, G.,
Pure & Appl. Chem., 1986, 58, 543. [all data]
Alemdaroglu, Penninger, et al., 1976
Alemdaroglu, N.H.; Penninger, J.M.L.; Oltay, E.,
Monatsh. Chem., 1976, 107, 1043. [all data]
Ungváry, 1972
Ungváry, F.,
J. Organometal. Chem., 1972, 36, 363. [all data]
Poë, Sampson, et al., 1993
Poë, A.J.; Sampson, C.N.; Smith, R.T.; Zheng, Y.,
J. Am. Chem. Soc., 1993, 115, 3174. [all data]
Landrum and Hoff, 1985
Landrum, J.T.; Hoff, C.D.,
J. Organometal. Chem., 1985, 282, 215. [all data]
Pedley, 1994
Pedley, J.B.,
Thermodynamic Data and Structures of Organic Compounds; Thermodynamics Research Center Data Series, Vol I, Thermodynamics Research Center, College Station, 1994. [all data]
Hiraoka, 1987
Hiraoka, K.,
A Determination of the Stabilities of H3+(H2)n with n=1-9 from Measurements of the gas-Phase Ion Equilibria H3+(H2)n-1 + H2 = H3+(H2)n,
J. Chem. Phys., 1987, 87, 7, 4048, https://doi.org/10.1063/1.452909
. [all data]
Beuhler, Ehrenson, et al., 1983
Beuhler, R.J.; Ehrenson, S.; Friedman, L.,
Hydrogen Cluster Ion Equilibria,
J. Chem. Phys., 1983, 79, 12, 5982, https://doi.org/10.1063/1.445781
. [all data]
Hiraoka and Kebarle, 1975
Hiraoka, K.; Kebarle, P.,
A Determination of the Stabilities of H5+, H7+, H9+, and H11+ from Measurement of the Gas Phase Ion Equilibria Hn+ + H2 = H(n + 2)+ (n = 3, 5, 7, 9),
J. Chem. Phys., 1975, 62, 6, 2267, https://doi.org/10.1063/1.430751
. [all data]
Bennett and Field, 1972
Bennett, S.L.; Field, F.H.,
Reversible Reactions of Gaseous Ions. VII. The Hydrogen System,
J. Am. Chem. Soc., 1972, 94, 25, 8669, https://doi.org/10.1021/ja00780a003
. [all data]
Shiell, Hu, et al., 2000
Shiell, R.C.; Hu, X.K.; Hu, Q.C.J.; Hepburn, J.W.,
Threshold Ion-pair Production spectroscopy (TIPPS) of H2 and D2,
Faraday Disc. Chem. Soc., 2000, 115, 331, https://doi.org/10.1039/a909428h
. [all data]
Pratt, McCormack, et al., 1992
Pratt, S.T.; McCormack, E.F.; Dehmer, J.L.; Dehmer, P.M.,
Field-Induced Ion-Pair Formation in Molecular Hydrogen,
Phys. Rev. Lett., 1992, 68, 5, 584, https://doi.org/10.1103/PhysRevLett.68.584
. [all data]
Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B.,
Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [all data]
Lykke, Murray, et al., 1991
Lykke, K.R.; Murray, K.K.; Lineberger, W.C.,
Threshold Photodetachment of H-,
Phys. Rev. A, 1991, 43, 11, 6104, https://doi.org/10.1103/PhysRevA.43.6104
. [all data]
Allinger, Dodziuk, et al., 1982
Allinger, N.L.; Dodziuk, H.; Rogers, D.W.; Naik, S.N.,
Heats of hydrogenation and formation of some 5-membered ring compounds by molecular mechanics calculations and direct measurements,
Tetrahedron, 1982, 38, 1593-1597. [all data]
Roth and Lennartz, 1980
Roth, W.R.; Lennartz, H.W.,
Heats of hydrogenation. I. Determination of heats of hydrogenation with an isothermal titration calorimeter,
Chem. Ber., 1980, 113, 1806-1817. [all data]
Turner, Jarrett, et al., 1973
Turner, R.B.; Jarrett, A.D.; Goebel, P.; Mallon, B.J.,
Heats of hydrogenation. 9. Cyclic acetylenes and some miscellaneous olefins,
J. Am. Chem. Soc., 1973, 95, 790-792. [all data]
Rogers and McLafferty, 1971
Rogers, D.W.; McLafferty, F.J.,
A new hydrogen calorimeter. Heats of hydrogenation of allyl and vinyl unsaturation adjacent to a ring,
Tetrahedron, 1971, 27, 3765-3775. [all data]
Dolliver, Gresham, et al., 1937
Dolliver, M.a.; Gresham, T.L.; Kistiakowsky, G.B.; Vaughan, W.E.,
Heats of organic reactions. V. Heats of hydrogenation of various hydrocarbons,
J. Am. Chem. Soc., 1937, 59, 831-841. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Doering, Roth, et al., 1989
Doering, W.E.; Roth, W.R.; Bauer, F.; Breuckmann, R.; Ebbrecht, T.; Herbold, M.; Schmidt, R.; Lennartz, H-W.; Lenoir, D.; Boese, R.,
Rotational barriers of strained olefines,
Chem. Ber., 1989, 122, 1263-1266. [all data]
Rogers, Von Voithenberg, et al., 1978
Rogers, D.W.; Von Voithenberg, H.; Allinger, N.L.,
Heats of hydrogenation of the cis and trans isomers of cyclooctene,
J. Org. Chem., 1978, 43, 360-361. [all data]
Turner and Meador, 1957
Turner, R.B.; Meador, W.R.,
Heats of hydrogenation. IV. Hydrogenation of some cis- and trans-cycloolefins,
J. Am. Chem. Soc., 1957, 79, 4133-4136. [all data]
Conn, Kistiakowsky, et al., 1939
Conn, J.B.; Kistiakowsky, G.B.; Smith, E.A.,
Heats of organic reactions. VIII. Some further hydrogenations, including those of some acetylenes,
J. Am. Chem. Soc., 1939, 61, 1868-1876. [all data]
Wang, Rosini, et al., 1995
Wang, K.; Rosini, G.P.; Nolan, S.P.; Goldman, A.S.,
J. Am. Chem. Soc., 1995, 117, 5082. [all data]
Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K.,
Enthalpies of hydrogenation of the hexenes,
J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]
Turner and Garner, 1958
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1958, 80, 1424-1430. [all data]
Turner and Garner, 1957
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1957, 80, 1424-1430. [all data]
Turner and Garner, 1957, 2
Turner, R.B.; Garner, R.H.,
The stability relationship of 1-methyl-cyclopentene and methylenecyclopentane,
J. Am. Chem. Soc., 1957, 79, 253. [all data]
Fang and Rogers, 1992
Fang, W.; Rogers, D.W.,
Enthalpy of hydrogenation of the hexadienes and cis- and trans-1,3,5-hexatriene,
J. Org. Chem., 1992, 57, 2294-2297. [all data]
Molnar, Rachford, et al., 1984
Molnar, A.; Rachford, R.; Smith, G.V.; Liu, R.,
Heats of hydrogenation by a simple and rapid flow calorimetric method,
Appl. Catal., 1984, 9, 219-223. [all data]
Turner, Mallon, et al., 1973
Turner, R.B.; Mallon, B.J.; Tichy, M.; Doering, W.v.E.; Roth, W.R.; Schroder, G.,
Heats of hydrogenation. X. Conjugative interaction in cyclic dienes and trienes,
J. Am. Chem. Soc., 1973, 95, 8605-8610. [all data]
Kistiakowsky, Ruhoff, et al., 1936
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E.,
Heats of organic reactions. IV. Hydrogenation of some dienes and of benzene,
J. Am. Chem. Soc., 1936, 58, 146-153. [all data]
Hiraoka and Kebarle, 1976
Hiraoka, K.; Kebarle, P.,
Stabilities and Energetics of Pentacoordinated Carbonium Ions. The Isomeric C2H7+ Ions and Some Higher Analogues: C3H9+ and C4H11+,
J. Am. Chem. Soc., 1976, 98, 20, 6119, https://doi.org/10.1021/ja00436a009
. [all data]
Kemper, Bushnell, et al., 1993
Kemper, P.R.; Bushnell, J.; Von Helden, G.; Bowers, M.T.,
Co+(H2)n Clusters: Binding Energies and Molecular Parameters,
J. Chem Phys., 1993, 97, 1, 52, https://doi.org/10.1021/j100103a012
. [all data]
Haynes and Armentrout, 1996
Haynes, C.L.; Armentrout, P.B.,
Guided Ion Beam Determination of the Co+ - H2 Bond Dissociation energy,
Chem Phys. Let., 1996, 249, 1-2, 64, https://doi.org/10.1016/0009-2614(95)01337-7
. [all data]
Rogers and Skanupong, 1974
Rogers, D.W.; Skanupong, S.,
Heats of hydrogenation of sixteen terminal monoolefins. The alternating effect,
J. Phys. Chem., 1974, 78, 2569-2572. [all data]
Turner, Meador, et al., 1957
Turner, R.B.; Meador, W.R.; Winkler, R.E.,
Heats of hydrogenation. I. Apparatus and the heats of hydrogenation of bicyclo[2,2,1]heptene, bicyclo[2,2,1]heptadiene, bicyclo[2,2,2]octene and bicyclo[2,2,2]octadiene,
J. Am. Chem. Soc., 1957, 79, 4116-4121. [all data]
Roth, Klaerner, et al., 1983
Roth, W.R.; Klaerner, F.G.; Gerit, F.; Grimme, W.; Koeser, H.G.; Busch, R.; Muskulus, B.; Breuckmann, R.; Scholz, B.P.; Lennartz, H.W.,
Stereochemistry of the bicyclo[2.1.0]pentane ring opening: thermolysis of tricyclo[3.2.0.0(,)]heptane derivatives,
Chem. Ber., 1983, 116, 2717-2737. [all data]
Hales and Herington, 1957
Hales, J.L.; Herington, E.F.G.,
Equilibrium between pyridine and piperidine,
Trans. Faraday Soc., 1957, 53, 616-622. [all data]
Burrows and King, 1935
Burrows, G.H.; King, L.A., Jr.,
The free energy change that accompanies hydrogenation of pyridine to piperidine,
J. Am. Chem. Soc., 1935, 57, 1789-1791. [all data]
Turner, Nettleton, et al., 1958
Turner, R.B.; Nettleton, J.E.; Perelman,
Heats of Hydrogenation. VI. Heats of hydrogenation of some substituted ethylenes,
J. Am. Chem. Soc., 1958, 80, 1430-1433. [all data]
Crawford and Parks, 1936
Crawford, B.L., Jr.; Parks, G.S.,
The heat of hydrogenation of diisobutylene,
J. Am. Chem. Soc., 1936, 58, 373. [all data]
Kistiakowsky and Nickle, 1951
Kistiakowsky, G.B.; Nickle, A.G.,
Ethane-ethylene and propane-propylene equilibria,
Faraday Discuss. Chem. Soc., 1951, 10, 175-187. [all data]
Kistiakowsky, Ruhoff, et al., 1935
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E.,
Heats of organic reactions. II. Hydrogenation of some simpler olefinic hydrocarbons,
J. Am. Chem. Soc., 1935, 57, 876-882. [all data]
Kemper, Bushnell, et al., 1993, 2
Kemper, P.R.; Bushnell, J.; Von Koppen, P.; Bowers, M.T.,
Binding Energies of Co+(H2/CH4/C2H6)1,2,3 Clusters,
J. Phys. Chem., 1993, 97, 9, 1810, https://doi.org/10.1021/j100111a016
. [all data]
Wiberg, Crocker, et al., 1991
Wiberg, K.B.; Crocker, L.S.; Morgan, K.M.,
Thermochemical studies of carbonyl compounds. 5. Enthalpies of reduction of carbonyl groups,
J. Am. Chem. Soc., 1991, 113, 3447-3450. [all data]
Buckley and Herington, 1965
Buckley, E.; Herington, E.F.G.,
Equilibria in some secondary alcohol + hydrogen + ketone systems,
Trans. Faraday Soc., 1965, 61, 1618-1625. [all data]
Dolliver, Gresham, et al., 1938
Dolliver, M.A.; Gresham, T.L.; Kistiakowsky, G.B.; Smith, E.A.; Vaughan, W.E.,
Heats of organic reactions. VI. Heats of hydrogenation of some oxygen-containing compounds,
J. Am. Chem. Soc., 1938, 60, 440-450. [all data]
Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R.,
Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld,
Chem. Ber., 1991, 124, 2499-2521. [all data]
Rogers, Dejroongruang, et al., 1992
Rogers, D.W.; Dejroongruang, K.; Samuel, S.D.; Fang, W.; Zhao, Y.,
Enthalpies of hydrogenation of the octenes and the methylheptenes,
J. Chem. Thermodyn., 1992, 24, 561-565. [all data]
Rogers and Siddiqui, 1975
Rogers, D.W.; Siddiqui, N.A.,
Heats of hydrogenation of large molecules. I. Esters of unsaturated fatty acids,
J. Phys. Chem., 1975, 79, 574-577. [all data]
Rogers, Dagdagan, et al., 1979
Rogers, D.W.; Dagdagan, O.A.; Allinger, N.L.,
Heats of hydrogenation and formation of linear alkynes and a molecular mechanics interpretation,
J. Am. Chem. Soc., 1979, 101, 671-676. [all data]
Sicher, Svoboda, et al., 1966
Sicher, J.; Svoboda, M.; Zavada, J.; Turner, R.B.; Goebel, P.,
Sterochemical studies - XXXVI. An approach to conformational analysis of medium ring compounds. Unsaturated ten-membered ring derivates,
Tetrahedron, 1966, 22, 659-671. [all data]
Doering, Roth, et al., 1988
Doering, W.E.; Roth, W.R.; Breuckmann, R.; Figge, L.; Lennartz, H.-W.; Fessner, W.-D.; Prinzbach, F.H.,
Verbotene Reaktionen. - [2 + 2]-Cycloreversion starrer Cyclobutane,
Chem. Ber., 1988, 121, 1-9. [all data]
Rogers, Choi, et al., 1980
Rogers, D.W.; Choi, L.S.; Girellini, R.S.,
Heats of hydrogenation and formation of quadricyclene, norbornadiene, norbornene, and nortricyclene,
J. Phys. Chem., 1980, 84, 1810-1814. [all data]
Connett, 1972
Connett, J.E.,
Chemical equilibria. 5. Measurement of equilibrium constants for the dehydrogenation of propanol by a vapour flow technique,
J. Chem. Thermodyn., 1972, 4, 233-237. [all data]
Buckley and Cox, 1967
Buckley, E.; Cox, J.D.,
Chemical equilibria. Part 2.-Dehydrogenation of propanol and butanol,
Trans. Faraday Soc., 1967, 63, 895-901. [all data]
Klingler R.J. and Rathke, 1992
Klingler R.J.; Rathke, J.W.,
Inorg. Chem., 1992, 31, 804. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature rG°
Free energy of reaction at standard conditions rH°
Enthalpy of reaction at standard conditions rS°
Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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