Dimethyl ether

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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:
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-184.1 ± 0.50kJ/molCcbPilcher, Pell, et al., 1964ALS
Quantity Value Units Method Reference Comment
Δcgas-1460.4 ± 0.46kJ/molCcbPilcher, Pell, et al., 1964Corresponding Δfgas = -184.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
42.27100.Chao J., 1986p=1 bar. Selected values are in close agreement with other statistically calculated values [ Handi M.A., 1954, Seha Z., 1955, Banerjee S.C., 1964, Stull D.R., 1969] and ab initio result [ East A.L.L., 1997] at low temperatures. Discrepancies in S(1000 K) and Cp(1000 K) amount to about 5 and 3 J/mol*K, respectively, for [ Handi M.A., 1954, Banerjee S.C., 1964, Stull D.R., 1969].; GT
48.99150.
54.47200.
62.56273.15
65.57 ± 0.08298.15
65.80300.
78.68400.
91.36500.
102.86600.
113.03700.
121.99800.
129.84900.
136.701000.
142.691100.
147.891200.
152.411300.
156.351400.
159.771500.
166.571750.
171.502000.
175.152250.
177.912500.
180.032750.
181.703000.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
62.01272.20Kistiakowsky G.B., 1940GT
65.90300.76
70.33333.25
75.14370.42

Condensed 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid146.57J/mol*KN/AKennedy, Sagenkahn, et al., 1941 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
102.30240.Kennedy, Sagenkahn, et al., 1941T = 14 to 240 K.

Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil248.2KN/AWeast and Grasselli, 1989BS
Tboil248.3KN/AMajer and Svoboda, 1985 
Tboil248.25KN/AGrosse, 1937Uncertainty assigned by TRC = 1. K; TRC
Tboil249.2KN/AMaass and Boomer, 1922Uncertainty assigned by TRC = 0.4 K; TRC
Tboil249.5KN/AThiele and Schulte, 1920Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Tfus135.2KN/AMaass and Boomer, 1922Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Ttriple131.64KN/AWilhoit, Chao, et al., 1985Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple131.66KN/AKennedy, Sagenkahn, et al., 1941, 2Uncertainty assigned by TRC = 0.06 K; TRC
Quantity Value Units Method Reference Comment
Tc401. ± 2.KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Pc54. ± 3.barAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.164l/molN/AZawisza and Glowka, 1970Uncertainty assigned by TRC = 0.003 l/mol; TRC
Quantity Value Units Method Reference Comment
ρc5.351mol/lN/AEdwards and Maass, 1935Uncertainty assigned by TRC = 0.43 mol/l; TRC
ρc4.895mol/lN/ATapp, Steacie, et al., 1933Uncertainty assigned by TRC = 0.65 mol/l; TRC
ρc5.891mol/lN/ACardoso and Coppola, 1923Uncertainty assigned by TRC = 0.07 mol/l; extraplation of rectilinear diameter, from obs L and G densities, to Tc = 126.9 deg C, from previous literature; TRC
Quantity Value Units Method Reference Comment
Δvap19.3kJ/molN/AMajer and Svoboda, 1985 
Δvap18.5kJ/molN/AAmbrose, Ellender, et al., 1976Based on data from 171. to 248. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
21.510248.34N/AKennedy, Sagenkahn, et al., 1941P = 101.325 kPa; DH
21.51248.3N/AMajer and Svoboda, 1985 
22.6250.AStephenson and Malanowski, 1987Based on data from 183. to 265. K.; AC
22.8234.AStephenson and Malanowski, 1987Based on data from 180. to 249. K.; AC
21.2308.AStephenson and Malanowski, 1987Based on data from 293. to 360. K.; AC
21.1364.AStephenson and Malanowski, 1987Based on data from 349. to 400. K.; AC
22.2256.AStephenson and Malanowski, 1987Based on data from 241. to 303. K.; AC
21.4248.N/AAmbrose, Ellender, et al., 1976Based on data from 171. to 248. K.; AC
22.7233.N/AKennedy, Sagenkahn, et al., 1941Based on data from 195. to 248. K.; AC
21.5 ± 0.1248.CKennedy, Sagenkahn, et al., 1941AC

Entropy of vaporization

ΔvapS (J/mol*K) Temperature (K) Reference Comment
86.61248.34Kennedy, Sagenkahn, et al., 1941P; DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
194.93 to 248.244.11475894.669-30.604Kennedy, Sagenkahn, et al., 1941Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
4.9363131.66Kennedy, Sagenkahn, et al., 1941DH
4.94131.7Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
37.49131.66Kennedy, Sagenkahn, et al., 1941DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference
1.0 VN/A
0.99 RN/A

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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
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 C2H6O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.025 ± 0.025eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)792.kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity764.5kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.025 ± 0.025PIPECOButler, Holland, et al., 1984LBLHLM
9.95 ± 0.07EIBowen and Maccoll, 1984LBLHLM
10.04PEKimura, Katsumata, et al., 1981LLK
9.8 ± 0.1PEAue, Webb, et al., 1980LLK
9.8PEAue and Bowers, 1979LLK
10.01 ± 0.01PIBotter, Pechine, et al., 1977LLK
9.94 ± 0.01PECocksey, Eland, et al., 1971LLK
10.1 ± 0.2EIIvko, 1970RDSH
9.94PEDewar and Worley, 1969RDSH
9.96 ± 0.05SHernandez, 1963RDSH
10.00 ± 0.02PIWatanabe, 1957RDSH
10.0PEBajic, Humski, et al., 1985Vertical value; LBLHLM
10.1PEBieri, Asbrink, et al., 1982Vertical value; LBLHLM
11.94PEUtsunomiya, Kobayashi, et al., 1980Vertical value; LLK
10.0 ± 0.2PECarnovale, Livett, et al., 1980Vertical value; LLK
10.1PEAue and Bowers, 1979Vertical value; LLK
10.03PEKobayashi, 1978Vertical value; LLK
9.98PEBenoit and Harrison, 1977Vertical value; LLK
10.052PEAue, Webb, et al., 1975Vertical value; LLK
10.04PEBock, Mollere, et al., 1973Vertical value; LLK
10.04PECradock and Whiteford, 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHO+≤12.85 ± 0.10H2+CH3PIPECOButler, Holland, et al., 1984T = 298K; LBLHLM
CHO+14.0 ± 0.2?EIIvko, 1970RDSH
CH3+≤14.4 ± 0.1CH2O+HPIPECOButler, Holland, et al., 1984T = 298K; LBLHLM
CH3+14.93 ± 0.13?EIHaney and Franklin, 1969RDSH
CH3O+≤11.85 ± 0.10CH3PIPECOButler, Holland, et al., 1984T = 298K; LBLHLM
CH3O+≤11.8CH3EILossing, 1977LLK
CH3O+12.4 ± 0.1CH3EIIvko, 1970RDSH
CH3O+11.95 ± 0.05CH3EIHaney and Franklin, 1969RDSH
C2H5O+11.115 ± 0.010HPIPECOButler, Holland, et al., 1984T = 0K; LBLHLM
C2H5O+10.99 ± 0.08HEIBowen and Maccoll, 1984LBLHLM
C2H5O+10.99HEILossing, 1977LLK
C2H5O+11.23 ± 0.04HEISolka and Russell, 1974LLK
C2H5O+10.70 ± 0.13HEIFinney and Harrison, 1972LLK
C2H5O+11.55 ± 0.15HEIIvko, 1970RDSH
C2H5O+11.42 ± 0.01HEIMartin, Lampe, et al., 1966RDSH

De-protonation reactions

C2H5O- + Hydrogen cation = Dimethyl ether

By formula: C2H5O- + H+ = C2H6O

Quantity Value Units Method Reference Comment
Δr1703. ± 8.4kJ/molBranDePuy, Bierbaum, et al., 1984gas phase; B
Quantity Value Units Method Reference Comment
Δr1666. ± 9.2kJ/molH-TSDePuy, Bierbaum, et al., 1984gas phase; B

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 78

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Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   C     Symmetry Number σ = 2


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 CH3 d-str 2996  B 2996 S gas 2989 S liq.
a1 2 CH3 s-str 2817  B 2817 S gas 2815 VS p liq.
a1 3 CH3 d-deform 1464  D 1464 M gas
a1 4 CH3 s-deform 1452  D 1452 M gas 1452 S dp liq.
a1 5 CH3 rock 1244  B 1244 W gas
a1 6 CO s-str 928  B 928 S gas 922 S p liq.
a1 7 COC deform 418  C 418 M gas 428 M p liq.
a2 8 CH3 d-str 2952  C  ia 2952 S liq.
a2 9 CH3 d-deform 1464  D  ia SF3)
a2 10 CH3 rock 1150  C  ia 1150 M d liq.
a2 11 Torsion 203  E  ia CF
b1 12 CH3 d-str 2996  B 2996 S gas 2989 S liq. OV1)
b1 13 CH3 s-str 2817  B 2817 S gas 2815 VS p liq. OV2)
b1 14 CH3 d-deform 1464  D 1464 M gas OV3)
b1 15 CH3 s-deform 1452  D 1452 M gas 1452 S dp liq. OV4)
b1 16 CH3 rock 1227  C 1227 W liq.
b1 17 CO a-str 1102  B 1102 VS gas 1104 M dp liq.
b2 18 CH3 d-str 2925  B 2925 S gas
b2 19 CH3 d-deform 1464  D 1464 M gas OV3)
b2 20 CH3 rock 1179  B 1179 VS gas 1170 sh liq.
b2 21 Torsion 242  C 242 W gas

Source: Shimanouchi, 1972

Notes

dPhotodissociation threshold
VSVery strong
SStrong
MMedium
WWeak
iaInactive
shShoulder
pPolarized
dpDepolarized
CFCalculated frequency
SFCalculation shows that the frequency approximately equals that of the vibration indicated in the parentheses.
OVOverlapped by band indicated in parentheses.
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty
E15~30 cm-1 uncertainty

Gas Chromatography

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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: 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
PackedSqualane50.323.Becerra, Sánchez, et al., 1982N2, Chromosorb W-AM; Column length: 6. m
PackedSqualane50.325.Becerra, Sánchez, et al., 1982N2, Chromosorb W-AM; Column length: 6. m
PackedApiezon L120.324.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.331.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon M130.323.Golovnya and Garbuzov, 1974N2, Chromosorb W; Column length: 2.1 m

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryOV-101327.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C

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

View large format table.

Column type Active phase I Reference Comment
CapillarySE-30350.Vinogradov, 2004Program: not specified
CapillarySPB-1328.Flanagan, Streete, et al., 199760. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C
CapillaryPolydimethyl siloxanes327.Zenkevich and Chupalov, 1996Program: not specified
CapillarySPB-1328.Strete, Ruprah, et al., 199260. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C

Normal alkane RI, polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M60.478.Sun, Siepmann, et al., 200630. m/0.25 mm/0.25 μm, Helium
CapillaryCarbowax 20M80.481.Sun, Siepmann, et al., 200630. m/0.25 mm/0.25 μm, Helium

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M524.Vinogradov, 2004Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Gas Chromatography, Notes

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

Pilcher, Pell, et al., 1964
Pilcher, G.; Pell, A.S.; Coleman, D.J., Measurements of heats of combustion by flame calorimetry. Part 2-Dimethyl ether, methyl ethyl ether, methyl n-propyl ether, methyl isopropyl ether, Trans. Faraday Soc., 1964, 60, 499-505. [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]

Handi M.A., 1954
Handi M.A., Molecular spectroscopy. Determination and interpretation of fundamental frequencies of dimethyl ether from infrared absorption spectrum; application for thermodynamic functions calculation, Compt. Rend. Acad. Sci., 1954, 239, 349-351. [all data]

Seha Z., 1955
Seha Z., Thermodynamic functions of dimethyl ether, Chem. Listy, 1955, 49, 1569-1570. [all data]

Banerjee S.C., 1964
Banerjee S.C., Thermodynamic properties of organic compounds. Part 1. Normal symmetrical aliphatic ethers, Brit. Chem. Eng., 1964, 9, 311-313. [all data]

Stull D.R., 1969
Stull D.R., Jr., The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]

East A.L.L., 1997
East A.L.L., Ab initio statistical thermodynamical models for the computation of third-law entropies, J. Chem. Phys., 1997, 106, 6655-6674. [all data]

Kistiakowsky G.B., 1940
Kistiakowsky G.B., Gaseous heat capacities. III, J. Chem. Phys., 1940, 8, 618-622. [all data]

Kennedy, Sagenkahn, et al., 1941
Kennedy, R.M.; Sagenkahn, M.; Aston, J.G., The heat capacity and entropy, heats of fusion and vaporization, and the vapor pressure of dimethyl ether. The density of gaseous dimethyl ether, J. Am. Chem. Soc., 1941, 63, 2267-2272. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Grosse, 1937
Grosse, A.V., Refractive Indices at Low Temperatures, J. Am. Chem. Soc., 1937, 59, 2739-41. [all data]

Maass and Boomer, 1922
Maass, O.; Boomer, E.H., Vapor Densities at Low Pressures and Over and Extended Temperature Range. I. The Properties of Ethylene Oxide Compared to Oxygen Compounds of Similar Molecular Weight, J. Am. Chem. Soc., 1922, 44, 8, 1709-1728, https://doi.org/10.1021/ja01429a013 . [all data]

Thiele and Schulte, 1920
Thiele, A.; Schulte, E., Binary equilibrium systems with solid carbon dioxide, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1920, 96, 312-42. [all data]

Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R., Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases, J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]

Kennedy, Sagenkahn, et al., 1941, 2
Kennedy, R.M.; Sagenkahn, M.; Aston, J.G., The Heat Capacity and Entropy, Heats of Fusion and Vaporization and the Vapor Pressure of Dimethyl Ether. The Density of Gaseous Dimethyl Ether, J. Am. Chem. Soc., 1941, 63, 2267-72. [all data]

Zawisza and Glowka, 1970
Zawisza, A.C.; Glowka, S., Liquid-vapour equilibria and thermodynamic functions of dimethyl ether - sulphur dioxide system up to 300c and 77.81 atmospheres, Bull. Acad. Pol. Sci., Ser. Sci. Chim., 1970, 18, 549-54. [all data]

Edwards and Maass, 1935
Edwards, J.; Maass, O., Density and Adsorption Studies in the Region of the Critical Temperature: System Dimethyl-ether-alumina., Can. J. Res., Sect. A, 1935, 12, 357-71. [all data]

Tapp, Steacie, et al., 1933
Tapp, J.S.; Steacie, E.W.R.; Maass, O., Density of a Vapor in Equilibrium with a Liquid Near the Critical Temperature., Can. J. Res., 1933, 9, 217-39. [all data]

Cardoso and Coppola, 1923
Cardoso, E.; Coppola, A.A., Experimental researches on some thermal properties of gas I the densities of coexisting phases of methyl ether, J. Chim. Phys. Phys.-Chim. Biol., 1923, 20, 337-46. [all data]

Ambrose, Ellender, et al., 1976
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R., Thermodynamic properties of organic oxygen compounds XLIII. Vapour pressures of some ethers, The Journal of Chemical Thermodynamics, 1976, 8, 2, 165-178, https://doi.org/10.1016/0021-9614(76)90090-2 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [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]

Butler, Holland, et al., 1984
Butler, J.J.; Holland, D.M.P.; Parr, A.C.; Stockbauer, R., A threshold photoelectron-photoion coincidence spectrometric study of dimethyl ether (CH3OCH3), Int. J. Mass Spectrom. Ion Processes, 1984, 58, 1. [all data]

Bowen and Maccoll, 1984
Bowen, R.D.; Maccoll, A., Low energy, low temperature mass spectra, Org. Mass Spectrom., 1984, 19, 379. [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]

Aue, Webb, et al., 1980
Aue, D.H.; Webb, H.M.; Davidson, W.R.; Vidal, M.; Bowers, M.T.; Goldwhite, H.; Vertal, L.E.; Douglas, J.E.; Kollman, P.A.; Kenyon, G.L., Proton affinities photoelectron spectra of three-membered-ring J. Heterocycl. Chem., J. Am. Chem. Soc., 1980, 102, 5151. [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]

Botter, Pechine, et al., 1977
Botter, R.; Pechine, J.M.; Rosenstock, H.M., Photoionization of dimethyl ether and diethyl ether, Int. J. Mass Spectrom. Ion Phys., 1977, 25, 7. [all data]

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Notes

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