1-Pentanol

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Condensed phase thermochemistry data

Go To: Top, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-84.039 ± 0.067kcal/molCcbMosselman and Dekker, 1975ALS
Δfliquid-84.3 ± 0.2kcal/molCcbHayes, 1971DRB
Δfliquid-84.27 ± 0.17kcal/molCcbGundry, Harrop, et al., 1969ALS
Δfliquid-85.55 ± 0.12kcal/molCcbChao and Rossini, 1965see Rossini, 1934; ALS
Δfliquid-85.65 ± 0.40kcal/molCcbGreen, 1960ALS
Quantity Value Units Method Reference Comment
Δcliquid-796.107 ± 0.067kcal/molCcbMosselman and Dekker, 1975Corresponding Δfliquid = -84.039 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-795.87 ± 0.16kcal/molCcbHayes, 1971Corresponding Δfliquid = -84.28 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-795.88 ± 0.15kcal/molCcbGundry, Harrop, et al., 1969Corresponding Δfliquid = -84.266 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-794.61 ± 0.09kcal/molCcbChao and Rossini, 1965see Rossini, 1934; Corresponding Δfliquid = -85.54 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-794.5kcal/molCcbVerkade and Coops, 1927Corrected for 298 and 1 atm.; Corresponding Δfliquid = -85.6 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid61.88cal/mol*KN/ACounsell, Lees, et al., 1968DH
liquid60.90cal/mol*KN/AParks, Huffman, et al., 1933Extrapolation below 90 K, 57.66 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
49.582298.15Benson and D'Arcy, 1986DH
49.582298.15Benson and D'Arcy, 1986, 2DH
49.759298.15Tanaka, Toyama, et al., 1986DH
49.947298.15Zegers and Somsen, 1984DH
49.57298.15D'Aprano, DeLisi, et al., 1983Data given at 288 and 298 K.; DH
49.14293.15Arutyunyan, Bagdasaryan, et al., 1981T = 293 to 393 K. p = 0.1 MPa. Unsmoothed experimental datum given as 2.332 kJ/kg*K. Cp given from 293.15 to 533.15 K for pressure range 10 to 60 MPa.; DH
50.74301.26Griigo'ev, Yanin, et al., 1979T = 301 to 463 K. p = 0.98 bar.; DH
49.809298.15Skold, Suurkuusk, et al., 1976DH
57.50313.2Paz Andrade, Paz, et al., 1970DH
49.78298.15Counsell, Lees, et al., 1968T = 10 to 390 K.; DH
48.21302.4Phillip, 1939DH
49.981298.0Parks, Huffman, et al., 1933T = 94 to 298 K. Value is unsmoothed experimental datum.; DH
43.81298.von Reis, 1881T = 298 to 400 K.; DH

Gas phase ion energetics 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:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LL - Sharon G. Lias and Joel F. Liebman

View reactions leading to C5H12O+ (ion structure unspecified)

Proton affinity at 298K

Proton affinity (kcal/mol) Reference Comment
190.Holmes, Aubry, et al., 1999MM

Ionization energy determinations

IE (eV) Method Reference Comment
10.00PEAshmore and Burgess, 1977LLK
10.38PEAshmore and Burgess, 1977Vertical value; LLK
10.42 ± 0.03PEPeel and Willett, 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H10+10.04 ± 0.05H2OEIHarnish, Holmes, et al., 1990LL

De-protonation reactions

C5H11O- + Hydrogen cation = 1-Pentanol

By formula: C5H11O- + H+ = C5H12O

Quantity Value Units Method Reference Comment
Δr374.1 ± 2.1kcal/molG+TSHiggins and Bartmess, 1998gas phase; B
Δr374.8 ± 2.0kcal/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Δr373.9 ± 2.8kcal/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr367.5 ± 2.0kcal/molIMREHiggins and Bartmess, 1998gas phase; B
Δr368.2 ± 2.1kcal/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Δr367.3 ± 2.7kcal/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale; B

Ion clustering data

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

Data compiled by: 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

C3H9Si+ + 1-Pentanol = (C3H9Si+ • 1-Pentanol)

By formula: C3H9Si+ + C5H12O = (C3H9Si+ • C5H12O)

Quantity Value Units Method Reference Comment
Δr44.7kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr31.4cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
30.1468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

(C5H13O+ • 1-Pentanol) + 1-Pentanol = (C5H13O+ • 21-Pentanol)

By formula: (C5H13O+ • C5H12O) + C5H12O = (C5H13O+ • 2C5H12O)

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

Quantity Value Units Method Reference Comment
Δr22.kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr32.cal/mol*KN/AMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
10.5346.PHPMSMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated

(C5H13O+ • 21-Pentanol) + 1-Pentanol = (C5H13O+ • 31-Pentanol)

By formula: (C5H13O+ • 2C5H12O) + C5H12O = (C5H13O+ • 3C5H12O)

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

Quantity Value Units Method Reference Comment
Δr14.0kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase
Quantity Value Units Method Reference Comment
Δr24.3cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase

(C5H13O+ • 31-Pentanol) + 1-Pentanol = (C5H13O+ • 41-Pentanol)

By formula: (C5H13O+ • 3C5H12O) + C5H12O = (C5H13O+ • 4C5H12O)

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

Quantity Value Units Method Reference Comment
Δr11.9kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase
Quantity Value Units Method Reference Comment
Δr24.4cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase

(C5H13O+ • 41-Pentanol) + 1-Pentanol = (C5H13O+ • 51-Pentanol)

By formula: (C5H13O+ • 4C5H12O) + C5H12O = (C5H13O+ • 5C5H12O)

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

Quantity Value Units Method Reference Comment
Δr11.kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/AMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.1227.PHPMSMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated

References

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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.

Mosselman and Dekker, 1975
Mosselman, C.; Dekker, H., Enthalpies of formation of n-alkan-1-ols, J. Chem. Soc. Faraday Trans. 1, 1975, 417-424. [all data]

Hayes, 1971
Hayes, C.W., Bomb calorimetric studies on normal alkan-1-ols, steroregular polymethylmethacrylates, α-olefinic polymers, trioxane and oxygenated polymers, Diss. Abs., 1971, 31, 5903-5904. [all data]

Gundry, Harrop, et al., 1969
Gundry, H.A.; Harrop, D.; Head, A.J.; Lewis, G.B., Thermodynamic properties of organic oxygen compounds. 21. Enthalpies of combustion of benzoic acid, pentan-1-ol, octan-1-ol, and hexadecan-1-ol, J. Chem. Thermodyn., 1969, 1, 321-332. [all data]

Chao and Rossini, 1965
Chao, J.; Rossini, F.D., Heats of combustion, formation, and isomerization of nineteen alkanols, J. Chem. Eng. Data, 1965, 10, 374-379. [all data]

Rossini, 1934
Rossini, F.D., Heats of combustion and of formation of the normal aliphatic alcohols in the gaseous and liquid states, and the energies of their atomic linkages, J. Res. NBS, 1934, 13, 189-197. [all data]

Green, 1960
Green, J.H.S., Revision of the values of the heats of formation of normal alcohols, Chem. Ind. (London), 1960, 1215-1216. [all data]

Verkade and Coops, 1927
Verkade, P.E.; Coops, J., Jr., Calorimetric researches XIV. Heats of combustion of successive members of homologous series: the normal primary aliphatic alcohols, Recl. Trav. Chim. Pays-Bas, 1927, 46, 903-917. [all data]

Counsell, Lees, et al., 1968
Counsell, J.F.; Lees, E.B.; Martin, J.F., Thermodynamic properties of organic oxygen compounds. Part XIX. Low temperature heat capacity and entropy of propan-1-ol, 2-methyl-propan-1-ol, and pentan-1-ol, 1968, J. [all data]

Parks, Huffman, et al., 1933
Parks, G.S.; Huffman, H.M.; Barmore, M., Thermal data on organic compounds. XI. The heat capacities, entropies and free energies of ten compounds containing oxygen or nitrogen. J. Am. Chem. Soc., 1933, 55, 2733-2740. [all data]

Benson and D'Arcy, 1986
Benson, G.C.; D'Arcy, P.J., Excess isobaric heat capacities of some binary mixtures: (a C5-alkanol + n-heptane) at 298.15 K, J. Chem. Thermodynam., 1986, 18, 493-498. [all data]

Benson and D'Arcy, 1986, 2
Benson, G.C.; D'Arcy, P.J., Heat capacities of binary mixtures of n-dodecane with hexane isomers, Thermochim. Acta, 1986, 102, 75-81. [all data]

Tanaka, Toyama, et al., 1986
Tanaka, R.; Toyama, S.; Murakami, S., Heat capacities of {xCnH2n+1OH+(1-x)C7H16} for n = 1 to 6 at 298.15 K, J. Chem. Thermodynam., 1986, 18, 63-73. [all data]

Zegers and Somsen, 1984
Zegers, H.C.; Somsen, G., Partial molar volumes and heat capacities in (dimethylformamide + an n-alkanol), J. Chem. Thermodynam., 1984, 16, 225-235. [all data]

D'Aprano, DeLisi, et al., 1983
D'Aprano, A.; DeLisi, R.; Donato, D.I., Thermodynamics of binary mixtures: volumes, heat capacities, and dilution enthalpies for the n-pentanol + 2-methyl-2-butanol system, J. Solution Chem., 1983, 12, 383-400. [all data]

Arutyunyan, Bagdasaryan, et al., 1981
Arutyunyan, G.S.; Bagdasaryan, S.S.; Kerimov, A.M., Experimental investigation of the isobaric heat capacity of n-propyl, n-butyl and n-amyl alcohols at different temperatures and pressures, Izv. Akad. Nauk Azerb. SSr, 1981, (6), 94-97. [all data]

Griigo'ev, Yanin, et al., 1979
Griigo'ev, B.A.; Yanin, G.S.; Rastorguev, Yu.L.; Thermophysical parameters of alcohols, Tr. GIAP, 54, 1979, 57-64. [all data]

Skold, Suurkuusk, et al., 1976
Skold, R.; Suurkuusk, J.; Wadso, I., Thermochemistry of solutions of biochemical model compounds. 7. Aqueous solutions of some amides, t-butanol, and pentanol, J. Chem. Thermodynam., 1976, 8, 1075-1080. [all data]

Paz Andrade, Paz, et al., 1970
Paz Andrade, M.I.; Paz, J.M.; Recacho, E., Contribucion a la microcalorimetria de los calores especificos de solidos y liquidos, An. Quim., 1970, 66, 961-967. [all data]

Phillip, 1939
Phillip, N.M., Adiabatic and isothermal compressibilities of liquids, Proc. Indian Acad. Sci., 1939, A9, 109-120. [all data]

von Reis, 1881
von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]

Holmes, Aubry, et al., 1999
Holmes, J.L.; Aubry, C.; Mayer, P.M., Proton affinities of primary alkanols: An appraisal of the kinetic method, J. Phys. Chem. A, 1999, 103, 705. [all data]

Ashmore and Burgess, 1977
Ashmore, F.S.; Burgess, A.R., Study of Some Medium Size Alcohols and Hydroperoxides by Photoelectron Spectroscopy, J. Chem. Soc. Faraday Trans. 2, 1977, 73, 1247. [all data]

Peel and Willett, 1975
Peel, J.B.; Willett, G.D., Photoelectron spectroscopic studies of the higher alcohols, Aust. J. Chem., 1975, 28, 2357. [all data]

Harnish, Holmes, et al., 1990
Harnish, D.; Holmes, J.L.; Lossing, F.P.; Mommers, A.A.; Maccoll, A.; Mruzek, M.N., Assigining structures to isomeric [C5H10]+ Ions: the generation of ionized ethylcyclopropane from pentan-1-ol and 1-chloropentane, Org. Mass Spectrom., 1990, 25, 381. [all data]

Higgins and Bartmess, 1998
Higgins, P.R.; Bartmess, J.E., The Gas Phase Acidities of Long Chain Alcohols., Int. J. Mass Spectrom., 1998, 175, 1-2, 71-79, https://doi.org/10.1016/S0168-1176(98)00125-6 . [all data]

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]

Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T., The gas phase acidity of aliphatic alcohols, J. Am. Chem. Soc., 1983, 105, 2203. [all data]

Wojtyniak and Stone, 1986
Wojtyniak, A.C.M.; Stone, A.J., A High-Pressure Mass Spectrometric Study of the Bonding of Trimethylsilylium to Oxygen and Aromatic Bases, Can. J. Chem., 1986, 74, 59. [all data]

Meot-Ner (Mautner), 1992
Meot-Ner (Mautner), M., Intermolecular Forces in Organic Clusters, J. Am. Chem. Soc., 1992, 114, 9, 3312, https://doi.org/10.1021/ja00035a024 . [all data]


Notes

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