Furan

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Gas phase thermochemistry 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-27.7kJ/molN/AZaheeruddin and Lodhi, 1991Value computed using ΔfHliquid° value of -55.4 kj/mol from Zaheeruddin and Lodhi, 1991 and ΔvapH° value of 27.6 kj/mol from Guthrie, Scott, et al., 1952.; DRB
Δfgas-34.7kJ/molCcbGuthrie, Scott, et al., 1952ALS
Δfgas-29.8kJ/molN/ALandrieu, Baylocq, et al., 1929Value computed using ΔfHliquid° value of -57.5 kj/mol from Landrieu, Baylocq, et al., 1929 and ΔvapH° value of 27.6 kj/mol from Guthrie, Scott, et al., 1952.; DRB

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
33.2650.Dorofeeva O.V., 1992p=1 bar. Selected entropies and heat capacities are in good agreement with those obtained in other statistical calculations [ Guthrie G.B., 1952, Bak B., 1955, Rico M., 1967, Soptrajanov B., 1968, Chao J., 1986, Klots T.D., 1994].; GT
33.53100.
36.39150.
43.60200.
59.43273.15
65.4 ± 1.5298.15
65.85300.
88.80400.
107.82500.
122.77600.
134.59700.
144.13800.
152.00900.
158.601000.
164.201100.
168.971200.
173.081300.
176.621400.
179.691500.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
70.29317.25Guthrie G.B., 1952GT
80.12358.20
90.00402.20
99.58449.20
106.48487.20

Reaction thermochemistry 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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

C4H5O+ + Furan = (C4H5O+ • Furan)

By formula: C4H5O+ + C4H4O = (C4H5O+ • C4H4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr42.kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; ΔrH<; M
Δr79.kJ/molPHPMSMeot-Ner (Mautner), Ross, et al., 1985gas phase; Entropy change calculated or estimated, ΔrH<; M
Quantity Value Units Method Reference Comment
Δr130.J/mol*KN/AMeot-Ner (Mautner), Ross, et al., 1985gas phase; Entropy change calculated or estimated, ΔrH<; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
28.382.PHPMSMeot-Ner (Mautner), Ross, et al., 1985gas phase; Entropy change calculated or estimated, ΔrH<; M

C4H3O- + Hydrogen cation = Furan

By formula: C4H3O- + H+ = C4H4O

Quantity Value Units Method Reference Comment
Δr1636.2 ± 1.5kJ/molG+TSGrabowski and Owusugas phase; B
Δr1624. ± 13.kJ/molG+TSDePuy, Kass, et al., 1988gas phase; Order:H2O < furan < 2-Me-furan < MeOH. D exchange indicates anion at C-2.; B
Quantity Value Units Method Reference Comment
Δr1602.1 ± 0.84kJ/molIMREGrabowski and Owusugas phase; B
Δr1590. ± 13.kJ/molIMRBDePuy, Kass, et al., 1988gas phase; Order:H2O < furan < 2-Me-furan < MeOH. D exchange indicates anion at C-2.; B

Furan + 2Hydrogen = Tetrahydrofuran

By formula: C4H4O + 2H2 = C4H8O

Quantity Value Units Method Reference Comment
Δr-151.1 ± 0.50kJ/molChydDolliver, Gresham, et al., 1938gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -153.3 ± 0.50 kJ/mol; At 355 °K; ALS

C4H4O+ + Furan = (C4H4O+ • Furan)

By formula: C4H4O+ + C4H4O = (C4H4O+ • C4H4O)

Quantity Value Units Method Reference Comment
Δr72.0kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr99.2J/mol*KPHPMSHiraoka, Takimoto, et al., 1987gas phase; M

(C4H4O+ • Furan) + Furan = (C4H4O+ • 2Furan)

By formula: (C4H4O+ • C4H4O) + C4H4O = (C4H4O+ • 2C4H4O)

Quantity Value Units Method Reference Comment
Δr30.kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; ΔrH<; M

Sodium ion (1+) + Furan = (Sodium ion (1+) • Furan)

By formula: Na+ + C4H4O = (Na+ • C4H4O)

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
49.0298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Gas Chromatography, 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:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
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 C4H4O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.88 ± 0.01eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)803.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity770.9kJ/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
812. ± 8.van Beelen, Koblenz, et al., 2004T = 298K; PA derived by authors from GB with protonation entropy equated to Rlnσ(B)/σ(BH+); MM
813. ± 8.van Beelen, Koblenz, et al., 2004T = 298K; PA derived by authors from GB with protonation entropy equated to Rlnσ(B)/σ(BH+); MM

Gas basicity at 298K

Gas basicity (review) (kJ/mol) Reference Comment
781. ± 8.van Beelen, Koblenz, et al., 2004T = 298K; PA derived by authors from GB with protonation entropy equated to Rlnσ(B)/σ(BH+); MM
782. ± 8.van Beelen, Koblenz, et al., 2004T = 298K; PA derived by authors from GB with protonation entropy equated to Rlnσ(B)/σ(BH+); MM

Ionization energy determinations

IE (eV) Method Reference Comment
8.9PEKlapstein, MacPherson, et al., 1990LL
8.88PEVeszpremi, Nyulaszi, et al., 1987LBLHLM
8.98 ± 0.03EIArimura and Yoshikawa, 1984LBLHLM
8.83PEKlasinc, Sabljic, et al., 1982LBLHLM
8.87PEKimura, Katsumata, et al., 1981LLK
8.83PEGalasso, Klasinc, et al., 1981LLK
8.88PEWillett and Baer, 1980LLK
9.0 ± 0.1CEMSTedder and Vidaud, 1980LLK
8.88 ± 0.05EIHolmes and Terlouw, 1979LLK
~8.8EIVan Veen, 1976LLK
8.89CTSAloisi, Santini, et al., 1975LLK
8.85 ± 0.05EIThorstad and Undheim, 1974LLK
8.99 ± 0.05EILinda, Marino, et al., 1971LLK
8.883PEDerrick, Asbrink, et al., 1971LLK
8.883SDerrick, Asbrink, et al., 1971LLK
8.91 ± 0.01PIPotapov and Bazhenov, 1970RDSH
8.87 ± 0.03EIJohnstone, Mellon, et al., 1970RDSH
8.89 ± 0.05PEBaker, Betteridge, et al., 1970RDSH
8.89 ± 0.01PIWatanabe, 1957RDSH
8.90PEZykov, Erchak, et al., 1983Vertical value; LBLHLM
8.88PEBock and Roth, 1983Vertical value; LBLHLM
8.89PEKobayashi, Kubota, et al., 1982Vertical value; LBLHLM
8.89PEBieri, Asbrink, et al., 1982Vertical value; LBLHLM
8.88PESchweig and Thiel, 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHO+13.2 ± 0.1C3H3PEWillett and Baer, 1980LLK
CHO+13.7 ± 0.1C3H3CEMSTedder and Vidaud, 1980LLK
C2HO+12.5 ± 0.2C2H3CEMSTedder and Vidaud, 1980LLK
C2H2O+11.80 ± 0.10C2H2PEWillett and Baer, 1980LLK
C3H3+12.10 ± 0.10CHOPEWillett and Baer, 1980LLK
C3H3+12.8 ± 0.1CHOCEMSTedder and Vidaud, 1980LLK
C3H4+11.48 ± 0.05COEIMommers, Burgers, et al., 1984LBLHLM
C3H4+11.60 ± 0.10COPEWillett and Baer, 1980LLK
C3H4+12.7 ± 0.1COCEMSTedder and Vidaud, 1980LLK

De-protonation reactions

C4H3O- + Hydrogen cation = Furan

By formula: C4H3O- + H+ = C4H4O

Quantity Value Units Method Reference Comment
Δr1636.2 ± 1.5kJ/molG+TSGrabowski and Owusugas phase; B
Δr1624. ± 13.kJ/molG+TSDePuy, Kass, et al., 1988gas phase; Order:H2O < furan < 2-Me-furan < MeOH. D exchange indicates anion at C-2.; B
Quantity Value Units Method Reference Comment
Δr1602.1 ± 0.84kJ/molIMREGrabowski and Owusugas phase; B
Δr1590. ± 13.kJ/molIMRBDePuy, Kass, et al., 1988gas phase; Order:H2O < furan < 2-Me-furan < MeOH. D exchange indicates anion at C-2.; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, 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
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

C4H4O+ + Furan = (C4H4O+ • Furan)

By formula: C4H4O+ + C4H4O = (C4H4O+ • C4H4O)

Quantity Value Units Method Reference Comment
Δr72.0kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr99.2J/mol*KPHPMSHiraoka, Takimoto, et al., 1987gas phase; M

(C4H4O+ • Furan) + Furan = (C4H4O+ • 2Furan)

By formula: (C4H4O+ • C4H4O) + C4H4O = (C4H4O+ • 2C4H4O)

Quantity Value Units Method Reference Comment
Δr30.kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; ΔrH<; M

C4H5O+ + Furan = (C4H5O+ • Furan)

By formula: C4H5O+ + C4H4O = (C4H5O+ • C4H4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Δr42.kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; ΔrH<; M
Δr79.kJ/molPHPMSMeot-Ner (Mautner), Ross, et al., 1985gas phase; Entropy change calculated or estimated, ΔrH<; M
Quantity Value Units Method Reference Comment
Δr130.J/mol*KN/AMeot-Ner (Mautner), Ross, et al., 1985gas phase; Entropy change calculated or estimated, ΔrH<; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
28.382.PHPMSMeot-Ner (Mautner), Ross, et al., 1985gas phase; Entropy change calculated or estimated, ΔrH<; M

Sodium ion (1+) + Furan = (Sodium ion (1+) • Furan)

By formula: Na+ + C4H4O = (Na+ • C4H4O)

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
49.0298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillarySPB-1100.500.Misharina, Beletsky, et al., 199460. m/0.32 mm/0.25 μm
PackedSE-30100.498.Winskowski, 1983Gaschrom Q; Column length: 2. m
PackedApiezon L120.483.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.492.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedSE-3080.485.Viani, Müggler-Chavan, et al., 1965He, Chromosorb P; Column length: 6. m

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedPEG-2000150.798.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPEG-2000152.779.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPEG-2000179.790.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPEG-2000180.800.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPEG-2000200.797.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPEG-2000200.802.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m

Kovats' RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax797.Shimoda and Shibamoto, 1990He, 40. C @ 6. min, 3. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 190. C
PackedPEG-20M786.Galt and MacLeod, 1984N2, Celite, 70. C @ 9. min, 10. K/min; Column length: 5.5 m; Tend: 175. C

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-101500.Misharina, Golovnya, et al., 199350. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 50. C; Tend: 200. C

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryFFAP802.Ott, Fay, et al., 199730. m/0.25 mm/0.25 μm, He, 20. C @ 1. min, 4. K/min, 200. C @ 1. min

Van Den Dool and Kratz RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySupelcowax-10802.Bianchi, Careri, et al., 200730. m/0.25 mm/0.25 μm, He; Program: 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min)
CapillarySupelcowax-10801.Bianchi, Careri, et al., 200730. m/0.25 mm/0.25 μm, He; Program: 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min)

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApiezon L100.495.Kavan, 1973Column length: 3.2 m

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-1492.Barrefors, Björkqvist, et al., 199650. m/0.32 mm/1. μm, 3. K/min; Tstart: -30. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySE-30500.Vinogradov, 2004Program: not specified
CapillaryOV-101500.Shibamoto, 1987Program: not specified
CapillaryOV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.498.Waggott and Davies, 1984Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-Innowax827.Feng, Zhuang, et al., 201160. m/0.25 mm/0.25 μm, Helium, 60. C @ 1. min, 3. K/min, 220. C @ 5. min
CapillaryZB-Wax813.Marin, Pozrl, et al., 200860. m/0.32 mm/0.50 μm, Helium, 40. C @ 5. min, 4. K/min, 220. C @ 5. min
CapillarySupelcowax-10800.Girard and Durance, 200060. m/0.25 mm/0.25 μm, He, 35. C @ 10. min, 4. K/min; Tend: 200. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-Innowax831.Feng, Zhuang, et al., 201160. m/0.25 mm/0.25 μm, Helium; Program: not specified
CapillarySupelcowax 10760.Soria, Martinez-Castro, et al., 200850. m/0.25 mm/0.25 μm, Helium; Program: 45 0C (15 min) 3 0C/min -> 75 0C 5 0C/min -> 180 0C (10 min)
CapillaryCarbowax 20M786.Vinogradov, 2004Program: not specified
CapillaryDB-Wax800.Peng, Yang, et al., 1991Program: not specified
CapillaryCarbowax 20M786.Shibamoto, 1987Program: not specified

Lee's RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-5131.1Fuentes, Font, et al., 2007Column length: 60. m; Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Zaheeruddin and Lodhi, 1991
Zaheeruddin, M.; Lodhi, Z.H., Enthalpies of formation of some cyclic compounds, Phys. Chem. (Peshawar Pak.), 1991, 10, 111-118. [all data]

Guthrie, Scott, et al., 1952
Guthrie, G.B., Jr.; Scott, D.W.; Hubbard, W.N.; Katz, C.; McCullough, J.P.; Gross, M.E.; Williamson, K.D.; Waddington, G., Thermodynamic properties of furan, J. Am. Chem. Soc., 1952, 74, 4662-46. [all data]

Landrieu, Baylocq, et al., 1929
Landrieu, P.; Baylocq, F.; Johnson, J.R., Etude thermochimique dans la serie furanique, Bull. Soc. Chim. France, 1929, 45, 36-49. [all data]

Dorofeeva O.V., 1992
Dorofeeva O.V., Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 1. Three-membered, four-membered and five-membered rings, Thermochim. Acta, 1992, 194, 9-46. [all data]

Guthrie G.B., 1952
Guthrie G.B., Jr., Thermodynamic properties of furan, J. Am. Chem. Soc., 1952, 74, 4662-4669. [all data]

Bak B., 1955
Bak B., Infrared absorption spectra of alpha and beta monodeutero, and alpha, alpha' dideutero furan vapors. Heat capacity and entropy of furan, Acta Chem. Scand., 1955, 9, 749-762. [all data]

Rico M., 1967
Rico M., Fundamental vibrations of furan and deuterated derivatives, J. Mol. Spectrosc., 1967, 24, 133-148. [all data]

Soptrajanov B., 1968
Soptrajanov B., Thermodynamic functions of furan and deuterated furans, Croat. Chem. Acta, 1968, 40, 241-245. [all data]

Chao J., 1986
Chao J., Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties, J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]

Klots T.D., 1994
Klots T.D., Complete vapor phase assignment for the fundamental vibrations of furan, pyrrole and thiophene, Spectrochim. Acta, 1994, A50, 765-795. [all data]

Hiraoka, Takimoto, et al., 1987
Hiraoka, K.; Takimoto, H.; Yamabe, S., Stabilities and Structures in Cluster Ions of Five-Membered Heterocyclic Compounds Containing O, N and S Atoms, J. Am. Chem. Soc., 1987, 109, 24, 7346, https://doi.org/10.1021/ja00258a018 . [all data]

Meot-Ner (Mautner), Ross, et al., 1985
Meot-Ner (Mautner), M.; Ross, M.M.; Campana, J.E., Stable Hydrogen - Bonded Isomers of Covalent Ions, J. Am. Chem. Soc., 1985, 107, 4835. [all data]

Grabowski and Owusu
Grabowski, J.J.; Owusu, D., , as cited in 98CLI/WEN. [all data]

DePuy, Kass, et al., 1988
DePuy, C.H.; Kass, S.R.; Bean, G.P., Formation and Reactions of Heteroaromatic Anions in the Gas Phase, J. Org. Chem., 1988, 53, 19, 4427, https://doi.org/10.1021/jo00254a001 . [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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G., An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions, Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

van Beelen, Koblenz, et al., 2004
van Beelen, E.S.E.; Koblenz, T.A.; Ingemann, S.; Hammerum, S., Experimental and theoretical evaluation of proton affinities of furan, the methylphenols, and the related anisoles, J. Phys. Chem. A, 2004, 108, 2787. [all data]

Klapstein, MacPherson, et al., 1990
Klapstein, D.; MacPherson, C.D.; O'Brien, R.T., The photoelectron spectra and electronic structure of 2-carbonyl furans, Can. J. Chem., 1990, 68, 747. [all data]

Veszpremi, Nyulaszi, et al., 1987
Veszpremi, T.; Nyulaszi, L.; Nagy, J., Ultraviolet photoelectron spectroscopy and quantum-mechanical study of alkyl- and trimethylsilyl-furanes, J. Organomet. Chem., 1987, 331, 175. [all data]

Arimura and Yoshikawa, 1984
Arimura, M.; Yoshikawa, Y., Ionization efficiency and ionization energy of cyclic compounds by electron impact, Mass Spectrosc. (Tokyo), 1984, 32, 375. [all data]

Klasinc, Sabljic, et al., 1982
Klasinc, L.; Sabljic, A.; Kluge, G.; Rieger, J.; Scholz, M., Chemistry of excited states. Part 13. Assignment of lowest .PI.-ionizations in photoelectron spectra of thiophen, furan, and pyrrole, J. Chem. Soc. Perkin Trans. 2, 1982, 539. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Galasso, Klasinc, et al., 1981
Galasso, V.; Klasinc, L.; Sabluic, A.; Trinajstic, N.; Pappalardo, G.C.; Steglich, W., Conformation and photoelectron spectra of 2-(2-Furyl)pyrrole and 2-(2-tThienyl)pyrrole, J. Chem. Soc. Perkin Trans. 2, 1981, 127. [all data]

Willett and Baer, 1980
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Notes

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