Di-n-propyl ether
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: POLCUAVZOMRGSN-UHFFFAOYSA-N
- CAS Registry Number: 111-43-3
- 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. - Other names: Propane, 1,1'-oxybis-; Propyl ether; Dipropyl ether; Dipropyl oxide; 1,1'-Oxybis[propane]; (n-C3H7)2O; n-Propyl ether; Ether, di-n-propyl-; UN 2384; 4-Oxaheptane
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Gas phase thermochemistry data
Go To: Top, 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:
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 |
---|---|---|---|---|---|
ΔfH°gas | -70.0 ± 0.5 | kcal/mol | Ccb | Colomina, Pell, et al., 1965 | ALS |
ΔfH°gas | -71.4 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 101.0 | cal/mol*K | N/A | Andon R.J.L., 1975 | GT |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
43.726 | 360.00 | Andon R.J.L., 1975 | GT |
45.595 | 380.01 | ||
47.431 | 399.98 | ||
50.170 | 430.05 | ||
52.832 | 460.01 |
Reaction thermochemistry data
Go To: Top, Gas phase 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 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. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C6H15O+ + C6H14O = (C6H15O+ • C6H14O)
Bond type: Hydrogen bonds of the type OH-O between organics
Bond type: Hydrogen bonds between protonated and neutral organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.9 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; switching reaction(C2H5)COH+((C2H5)2CO |
ΔrH° | 29.9 | kcal/mol | ICR | Larson and McMahon, 1982 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 40.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; switching reaction(C2H5)COH+((C2H5)2CO |
ΔrS° | 31.9 | cal/mol*K | N/A | Larson and McMahon, 1982 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 20.4 | kcal/mol | ICR | Larson and McMahon, 1982 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986 |
By formula: C5H6N+ + C6H14O = (C5H6N+ • C6H14O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.5 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31. | cal/mol*K | N/A | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.0 | 500. | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated |
By formula: C6H14N+ + C6H14O = (C6H14N+ • C6H14O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.4 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31.2 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase |
By formula: CH6N+ + C6H14O = (CH6N+ • C6H14O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24.0 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.7 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.30 ± 0.03 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 200.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 193.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.32 ± 0.01 | PE | Cocksey, Eland, et al., 1971 | LLK |
9.27 ± 0.05 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.53 | PE | Aue and Bowers, 1979 | Vertical value; LLK |
9.49 | PE | Benoit and Harrison, 1977 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H7+ | 11.97 | ? | EI | Williams and Hamill, 1968 | RDSH |
C3H7O+ | 12.9 ± 0.1 | C3H7 | EI | Williams and Hamill, 1968 | RDSH |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics 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
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | C78, Branched paraffin | 130. | 656.0 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
Packed | C78, Branched paraffin | 130. | 656.8 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
Packed | Apolane | 130. | 657. | Dutoit, 1991 | Column length: 3.7 m |
Packed | SE-30 | 120. | 687. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 3. m |
Packed | SE-30 | 120. | 691. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 3. m |
Packed | Apiezon L | 120. | 656. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 661. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 130. | 664. | Bogoslovsky, Anvaer, et al., 1978 | |
Packed | Apolane | 70. | 659.0 | Riedo, Fritz, et al., 1976 | He, Chromosorb; Column length: 2.4 m |
Packed | Apiezon M | 130. | 660. | Golovnya and Garbuzov, 1974 | N2, Chromosorb W; Column length: 2.1 m |
Packed | Apiezon L | 130. | 664. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Packed | Apiezon L | 70. | 661. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 120. | 773. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 25. m; Column diameter: 0.22 mm |
Capillary | Carbowax 20M | 120. | 794. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 25. m; Column diameter: 0.22 mm |
Packed | PEG-2000 | 120. | 775. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 150. | 768. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 152. | 775. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 179. | 770. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 180. | 769. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 200. | 769. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 680. | Peng, 2000 | 15. m/0.53 mm/1. μm, He; Program: 40C(3min) => 8C/min => 200(1min) => 5C/min => 300C(25min) |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 120. | 666. | Gröbler and Bálizs, 1981 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 680. | Zenkevich, Eliseenkov, et al., 2011 | 25. m/0.20 mm/0.25 μm, Nitrogen, 6. K/min; Tstart: 40. C; Tend: 220. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 687. | Chen, 2008 | Program: not specified |
Capillary | SE-30 | 676. | Vinogradov, 2004 | Program: not specified |
Capillary | Methyl Silicone | 664. | N/A | Program: not specified |
Normal alkane RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 100. | 774. | Sun, Siepmann, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium |
Capillary | Carbowax 20M | 120. | 770. | Sun, Siepmann, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium |
Capillary | Carbowax 20M | 60. | 777. | Sun, Siepmann, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium |
Capillary | Carbowax 20M | 80. | 777. | Sun, Siepmann, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 766. | Vinogradov, 2004 | Program: not specified |
Capillary | DB-Wax | 782. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Colomina, Pell, et al., 1965
Colomina, M.; Pell, A.S.; Skinner, H.A.; Coleman, D.J.,
Heats of combustion of four dialkylethers,
Trans. Faraday Soc., 1965, 61, 2641. [all data]
Murrin and Goldhagen, 1957
Murrin, J.W.; Goldhagen, S.,
Determination of the C-O bond energy from the heats of combustion of four aliphatic ethers,
NAVORD Report No. 5491, U.S. Naval Powder Factory Res. & Dev. Dept., 1957, 1-14. [all data]
Andon R.J.L., 1975
Andon R.J.L.,
Thermodynamic properties of organic oxygen compounds. 39. Heat capacity of n-propyl ether,
J. Chem. Thermodyn., 1975, 7, 587-592. [all data]
Meot-Ner (Mautner), Sieck, et al., 1994
Meot-Ner (Mautner), M.; Sieck, L.W.; Liebman, J.F.; Scheiner, S.; Duan, X.,
The Ionic Hydrogen Bond. 5. Polydentate and Solvent-Bridged Structures. Complexing of the Proton and the Hydronium Ions by Polyethers,
J. Am. Chem. Soc., 1994, 116, 17, 7848, https://doi.org/10.1021/ja00096a047
. [all data]
Larson and McMahon, 1982
Larson, J.W.; McMahon, T.B.,
Formation, Thermochemistry, and Relative Stabilities of Proton - Bound dimers of Oxygen n - Donor Bases from Ion Cyclotron Resonance Solvent - Exchange Equilibria Measurements,
J. Am. Chem. Soc., 1982, 104, 23, 6255, https://doi.org/10.1021/ja00387a016
. [all data]
Grimsrud and Kebarle, 1973
Grimsrud, E.P.; Kebarle, P.,
Gas Phase Ion Equilibria Studies of the Solvation of the Hydrogen Ion by Methanol, Dimethyl Ether and Water. Effect of Hydrogen Bonding,
J. Am. Chem. Soc., 1973, 95, 24, 7939, https://doi.org/10.1021/ja00805a002
. [all data]
Lias, Liebman, et al., 1984
Lias, S.G.; Liebman, J.F.; Levin, R.D.,
Evaluated gas phase basicities and proton affinities of molecules heats of formation of protonated molecules,
J. Phys. Chem. Ref. Data, 1984, 13, 695. [all data]
Keesee and Castleman, 1986
Keesee, R.G.; Castleman, A.W., Jr.,
Thermochemical data on Ggs-phase ion-molecule association and clustering reactions,
J. Phys. Chem. Ref. Data, 1986, 15, 1011. [all data]
Meot-Ner, 1984
Meot-Ner, (Mautner)M.,
The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects,
J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015
. [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]
Cocksey, Eland, et al., 1971
Cocksey, B.J.; Eland, J.H.D.; Danby, C.J.,
The effect of alkyl substitution on ionisation potential,
J. Chem. Soc., 1971, (B), 790. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T.,
Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements
in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]
Benoit and Harrison, 1977
Benoit, F.M.; Harrison, A.G.,
Predictive value of proton affinity. Ionization energy correlations involving oxygenated molecules,
J. Am. Chem. Soc., 1977, 99, 3980. [all data]
Williams and Hamill, 1968
Williams, J.M.; Hamill, W.H.,
Ionization potentials of molecules and free radicals and appearance potentials by electron impact in the mass spectrometer,
J. Chem. Phys., 1968, 49, 4467. [all data]
Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E.,
Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups,
J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0
. [all data]
Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz.,
Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups,
J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S
. [all data]
Dutoit, 1991
Dutoit, J.,
Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases,
J. Chromatogr., 1991, 555, 1-2, 191-204, https://doi.org/10.1016/S0021-9673(01)87179-X
. [all data]
García-Raso, Martínez-Castro, et al., 1987
García-Raso, A.; Martínez-Castro, I.; Páez, M.I.; Sanz, J.; García-Raso, J.; Saura-Calixto, F.,
Gas Chromatographic Behaviour of Carbohydrate Trimethylsilyl Ethers. I. Aldopentoses,
J. Chromatogr., 1987, 398, 9-20, https://doi.org/10.1016/S0021-9673(01)96491-X
. [all data]
Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S.,
Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]
Riedo, Fritz, et al., 1976
Riedo, F.; Fritz, D.; Tarján, G.; Kováts, E.Sz.,
A tailor-made C87 hydrocarbon as a possible non-polar standard stationary phase for gas chromatography,
J. Chromatogr., 1976, 126, 63-83, https://doi.org/10.1016/S0021-9673(01)84063-2
. [all data]
Golovnya and Garbuzov, 1974
Golovnya, R.V.; Garbuzov, V.G.,
Effect of heteroatom in aliphatic sulfur- and oxygen-containing compounds on the values of the retention indices in gas chromatography,
Izv. Akad. Nauk SSSR Ser. Khim., 1974, 7, 1519-1521. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Anderson, Jurel, et al., 1973
Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L.,
Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phases,
Latv. PSR Zinat. Akad. Vestis Kim. Ser., 1973, 1, 51-63. [all data]
Peng, 2000
Peng, C.T.,
Prediction of retention indices. V. Influence of electronic effects and column polarity on retention index,
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. [all data]
Gröbler and Bálizs, 1981
Gröbler, A.; Bálizs, G.,
Investigations on mixed gas chromatographic stationary phases. Part 3: A generalized approximation of retention indices for polar-nonpoalar stationary phase mixtures,
J. Chromatogr. Sci., 1981, 19, 1, 46-51, https://doi.org/10.1093/chromsci/19.1.46
. [all data]
Zenkevich, Eliseenkov, et al., 2011
Zenkevich, I.G.; Eliseenkov, E.V.; Kasatochkin, A.N.; Ukolov, A.I.,
Identification of the products of nonregioselective organic reactions by chromatography - mass spectrometry: chloro derivatives of dialkyl ethers,
Rus. J. Anal. Chem., 2011, 66, 14, 1445-1454, https://doi.org/10.1134/S1061934811140218
. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
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. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Sun, Siepmann, et al., 2006
Sun, L.; Siepmann, J.I.; Klotz, W.L.; Schure, M.R.,
retention in gas-liquid chromatography with a polyethylene oxide stationary phase: molecular simulation and experiment,
J. Chromatogr. A, 2006, 1126, 1-2, 373-380, https://doi.org/10.1016/j.chroma.2006.05.084
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas IE (evaluated) Recommended ionization energy S°gas Entropy of gas at standard conditions T Temperature 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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