Dimethyl ether

Formula: C₂H₆O
Molecular weight: 46.0684
IUPAC Standard InChI: InChI=1S/C2H6O/c1-3-2/h1-2H3
IUPAC Standard InChIKey: LCGLNKUTAGEVQW-UHFFFAOYSA-N
CAS Registry Number: 115-10-6
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:
- (CD3)2O
Other names: Methane, oxybis-; Methyl ether; Methoxymethane; Wood ether; Oxybismethane; (CH3)2O; Ether, dimethyl; Ether, methyl; UN 1033; Dimethyl oxide; Dymel A; Dymel; Demeon D; DME; Methane, 1,1'-oxybis-
Permanent link for this species. Use this link for bookmarking this species for future reference.
Information on this page:
Other data available:
- Condensed phase thermochemistry data
- Phase change data
- Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 52
- Henry's Law data
- Ion clustering data
- IR Spectrum
- Mass spectrum (electron ionization)
Data at other public NIST sites:
- Computational Chemistry Comparison and Benchmark Database
- Gas Phase Kinetics Database
Options:
- Switch to calorie-based units

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Gas phase thermochemistry data

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Gas Chromatography, References, Notes

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
Δ_fH°_gas	-184.1 ± 0.50	kJ/mol	Ccb	Pilcher, Pell, et al., 1964	ALS
Quantity	Value	Units	Method	Reference	Comment
Δ_cH°_gas	-1460.4 ± 0.46	kJ/mol	Ccb	Pilcher, Pell, et al., 1964	Corresponding Δ_fHº_gas = -184.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

C_p,gas (J/mol*K)	Temperature (K)	Reference	Comment
42.27	100.	Chao J., 1986	p=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
48.99	150.
54.47	200.
62.56	273.15
65.57 ± 0.08	298.15
65.80	300.
78.68	400.
91.36	500.
102.86	600.
113.03	700.
121.99	800.
129.84	900.
136.70	1000.
142.69	1100.
147.89	1200.
152.41	1300.
156.35	1400.
159.77	1500.
166.57	1750.
171.50	2000.
175.15	2250.
177.91	2500.
180.03	2750.
181.70	3000.

Constant pressure heat capacity of gas

C_p,gas (J/mol*K)	Temperature (K)	Reference	Comment
62.01	272.20	Kistiakowsky G.B., 1940	GT
65.90	300.76
70.33	333.25
75.14	370.42

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, Gas Chromatography, References, Notes

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 ± 0.025	eV	N/A	N/A	L
Quantity	Value	Units	Method	Reference	Comment
Proton affinity (review)	792.	kJ/mol	N/A	Hunter and Lias, 1998	HL
Quantity	Value	Units	Method	Reference	Comment
Gas basicity	764.5	kJ/mol	N/A	Hunter and Lias, 1998	HL

Ionization energy determinations

IE (eV)	Method	Reference	Comment
10.025 ± 0.025	PIPECO	Butler, Holland, et al., 1984	LBLHLM
9.95 ± 0.07	EI	Bowen and Maccoll, 1984	LBLHLM
10.04	PE	Kimura, Katsumata, et al., 1981	LLK
9.8 ± 0.1	PE	Aue, Webb, et al., 1980	LLK
9.8	PE	Aue and Bowers, 1979	LLK
10.01 ± 0.01	PI	Botter, Pechine, et al., 1977	LLK
9.94 ± 0.01	PE	Cocksey, Eland, et al., 1971	LLK
10.1 ± 0.2	EI	Ivko, 1970	RDSH
9.94	PE	Dewar and Worley, 1969	RDSH
9.96 ± 0.05	S	Hernandez, 1963	RDSH
10.00 ± 0.02	PI	Watanabe, 1957	RDSH
10.0	PE	Bajic, Humski, et al., 1985	Vertical value; LBLHLM
10.1	PE	Bieri, Asbrink, et al., 1982	Vertical value; LBLHLM
11.94	PE	Utsunomiya, Kobayashi, et al., 1980	Vertical value; LLK
10.0 ± 0.2	PE	Carnovale, Livett, et al., 1980	Vertical value; LLK
10.1	PE	Aue and Bowers, 1979	Vertical value; LLK
10.03	PE	Kobayashi, 1978	Vertical value; LLK
9.98	PE	Benoit and Harrison, 1977	Vertical value; LLK
10.052	PE	Aue, Webb, et al., 1975	Vertical value; LLK
10.04	PE	Bock, Mollere, et al., 1973	Vertical value; LLK
10.04	PE	Cradock and Whiteford, 1972	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
CHO⁺	≤12.85 ± 0.10	H₂+CH₃	PIPECO	Butler, Holland, et al., 1984	T = 298K; LBLHLM
CHO⁺	14.0 ± 0.2	?	EI	Ivko, 1970	RDSH
CH₃⁺	≤14.4 ± 0.1	CH₂O+H	PIPECO	Butler, Holland, et al., 1984	T = 298K; LBLHLM
CH₃⁺	14.93 ± 0.13	?	EI	Haney and Franklin, 1969	RDSH
CH₃O⁺	≤11.85 ± 0.10	CH₃	PIPECO	Butler, Holland, et al., 1984	T = 298K; LBLHLM
CH₃O⁺	≤11.8	CH₃	EI	Lossing, 1977	LLK
CH₃O⁺	12.4 ± 0.1	CH₃	EI	Ivko, 1970	RDSH
CH₃O⁺	11.95 ± 0.05	CH₃	EI	Haney and Franklin, 1969	RDSH
C₂H₅O⁺	11.115 ± 0.010	H	PIPECO	Butler, Holland, et al., 1984	T = 0K; LBLHLM
C₂H₅O⁺	10.99 ± 0.08	H	EI	Bowen and Maccoll, 1984	LBLHLM
C₂H₅O⁺	10.99	H	EI	Lossing, 1977	LLK
C₂H₅O⁺	11.23 ± 0.04	H	EI	Solka and Russell, 1974	LLK
C₂H₅O⁺	10.70 ± 0.13	H	EI	Finney and Harrison, 1972	LLK
C₂H₅O⁺	11.55 ± 0.15	H	EI	Ivko, 1970	RDSH
C₂H₅O⁺	11.42 ± 0.01	H	EI	Martin, Lampe, et al., 1966	RDSH

De-protonation reactions

C₂H₅O^- + = Dimethyl ether

By formula: C₂H₅O^- + H⁺ = C₂H₆O

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	1703. ± 8.4	kJ/mol	Bran	DePuy, Bierbaum, et al., 1984	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1666. ± 9.2	kJ/mol	H-TS	DePuy, Bierbaum, et al., 1984	gas phase; B

Vibrational and/or electronic energy levels

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

Data compiled by: Takehiko Shimanouchi

Symmetry: C_2ν 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				SF(ν₃)
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.	OV(ν₁)
b₁	13	CH3 s-str	2817	B	2817 S	gas	2815 VS p	liq.	OV(ν₂)
b₁	14	CH3 d-deform	1464	D	1464 M	gas			OV(ν₃)
b₁	15	CH3 s-deform	1452	D	1452 M	gas	1452 S dp	liq.	OV(ν₄)
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			OV(ν₃)
b₂	20	CH3 rock	1179	B	1179 VS	gas	1170 sh	liq.
b₂	21	Torsion	242	C	242 W	gas

Source: Shimanouchi, 1972

Notes

Photodissociation threshold

Very strong

Strong

Medium

Weak

Inactive

Shoulder

Polarized

Depolarized

Calculated frequency

Calculation shows that the frequency approximately equals that of the vibration indicated in the parentheses.

Overlapped by band indicated in parentheses.

1~3 cm^-1 uncertainty

3~6 cm^-1 uncertainty

6~15 cm^-1 uncertainty

15~30 cm^-1 uncertainty

Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References, Notes

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

Kovats' RI, non-polar column, isothermal

View large format table.

Column type	Active phase	Temperature (C)	I	Reference	Comment
Packed	Squalane	50.	323.	Becerra, Sánchez, et al., 1982	N2, Chromosorb W-AM; Column length: 6. m
Packed	Squalane	50.	325.	Becerra, Sánchez, et al., 1982	N2, Chromosorb W-AM; Column length: 6. m
Packed	Apiezon L	120.	324.	Bogoslovsky, Anvaer, et al., 1978	Celite 545
Packed	Apiezon L	160.	331.	Bogoslovsky, Anvaer, et al., 1978	Celite 545
Packed	Apiezon M	130.	323.	Golovnya and Garbuzov, 1974	N2, 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
Capillary	OV-101	327.	Zenkevich, 2005	25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; T_start: 50. C; T_end: 250. C

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

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	SE-30	350.	Vinogradov, 2004	Program: not specified
Capillary	SPB-1	328.	Flanagan, Streete, et al., 1997	60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C
Capillary	Polydimethyl siloxanes	327.	Zenkevich and Chupalov, 1996	Program: not specified
Capillary	SPB-1	328.	Strete, Ruprah, et al., 1992	60. 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
Capillary	Carbowax 20M	60.	478.	Sun, Siepmann, et al., 2006	30. m/0.25 mm/0.25 μm, Helium
Capillary	Carbowax 20M	80.	481.	Sun, Siepmann, et al., 2006	30. 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
Capillary	Carbowax 20M	524.	Vinogradov, 2004	Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Gas Chromatography, Notes

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]

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]

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]

Ivko, 1970
Ivko, A.A., Use of mass spectroscopy and isotope labelling for determining the structure of ions and molecules, Org. Katal., 1970, 20. [all data]

Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D., Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation, J. Chem. Phys., 1969, 50, 654. [all data]

Hernandez, 1963
Hernandez, G.J., Vacuum ultraviolet absorption spectrum of dimethyl ether, J. Chem. Phys., 1963, 38, 1644. [all data]

Watanabe, 1957
Watanabe, K., Ionization potentials of some molecules, J. Chem. Phys., 1957, 26, 542. [all data]

Bajic, Humski, et al., 1985
Bajic, M.; Humski, K.; Klasinc, L.; Ruscic, B., Substitution effects on electronic structure of thiophene, Z. Naturforsch. B:, 1985, 40, 1214. [all data]

Bieri, Asbrink, et al., 1982
Bieri, G.; Asbrink, L.; Von Niessen, W., 30.4-nm He(II) photoelectron spectra of organic molecules, J. Electron Spectrosc. Relat. Phenom., 1982, 27, 129. [all data]

Utsunomiya, Kobayashi, et al., 1980
Utsunomiya, C.; Kobayashi, T.; Nagakura, S., Photoelectron angular distribution measurements for some aliphatic alcohols, amines, halides, Bull. Chem. Soc. Jpn., 1980, 53, 1216. [all data]

Carnovale, Livett, et al., 1980
Carnovale, F.; Livett, M.K.; Peel, J.B., The photoelectron spectrum of the dimethyl ether-hydrogen chloride complex, J. Am. Chem. Soc., 1980, 102, 569. [all data]

Kobayashi, 1978
Kobayashi, T., A simple general tendency in photoelectron angular distributions of some monosubstituted benzenes, Phys. Lett., 1978, 69, 105. [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]

Aue, Webb, et al., 1975
Aue, D.H.; Webb, H.M.; Bowers, M.T., Proton affinities, ionization potentials, and hydrogen affinities of nitrogen and oxygen bases. Hybridization effects, J. Am. Chem. Soc., 1975, 97, 4137. [all data]

Bock, Mollere, et al., 1973
Bock, H.; Mollere, P.; Becker, G.; Fritz, G., Photoelectron spectra molecular properties. XX. Dimethyl ether, methoxysilane, and disiloxane, J. Organomet. Chem., 1973, 61, 113. [all data]

Cradock and Whiteford, 1972
Cradock, S.; Whiteford, R.A., Photoelectron spectra of the methyl, silyl and germyl derivatives of the group VI elements, J. Chem. Soc. Faraday Trans. 2, 1972, 68, 281. [all data]

Haney and Franklin, 1969
Haney, M.A.; Franklin, J.L., Excess energies in mass spectra of some oxygen-containing organic compounds, J. Chem. Soc. Faraday Trans., 1969, 65, 1794. [all data]

Lossing, 1977
Lossing, F.P., Heats of formation of some isomeric [C_nH_2n+1]⁺ ions. Substitutional effects on ion stability, J. Am. Chem. Soc., 1977, 99, 7526. [all data]

Solka and Russell, 1974
Solka, B.H.; Russell, M.E., Energetics of formation of some structural isomers of gaseous C₂H₅O⁺ C₂H₆N⁺ ions, J. Phys. Chem., 1974, 78, 1268. [all data]

Finney and Harrison, 1972
Finney, C.D.; Harrison, A.G., A third-derivative method for determining electron-impact onset potentials, Int. J. Mass Spectrom. Ion Phys., 1972, 9, 221. [all data]

Martin, Lampe, et al., 1966
Martin, R.H.; Lampe, F.W.; Taft, R.W., An electron-impact study of ionization and dissociation in methoxy- and halogen- substituted methanes, J. Am. Chem. Soc., 1966, 88, 1353. [all data]

DePuy, Bierbaum, et al., 1984
DePuy, C.H.; Bierbaum, V.M.; Damrauer, R., Relative Gas-Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1984, 106, 4051. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]

Becerra, Sánchez, et al., 1982
Becerra, M.R.; Sánchez, E.F.; Domínguez, J.A.G.; Muñoz, J.G.; Molera, M.J., The use of gaseous and liquid n-paraffins in GC identification of oxidation products of acetondimethyl acetal, J. Chromatogr. Sci., 1982, 20, 8, 363-366, https://doi.org/10.1093/chromsci/20.8.363 . [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]

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]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D., Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technical_series₁997-01-01₁.pdf. [all data]

Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A., New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments, Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]

Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J., Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning, Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111 . [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]

Notes

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Gas Chromatography, References

Symbols used in this document:

AE	Appearance energy
C_p,gas	Constant pressure heat capacity of gas
IE (evaluated)	Recommended ionization energy
Δ_cH°_gas	Enthalpy of combustion of gas at standard conditions
Δ_fH°_gas	Enthalpy of formation of gas at standard conditions
Δ_rG°	Free energy of reaction at standard conditions
Δ_rH°	Enthalpy of reaction at standard conditions

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
Customer support for NIST Standard Reference Data products.

Dimethyl ether

Data at NIST subscription sites:

Gas phase thermochemistry data

Constant pressure heat capacity of gas

Constant pressure heat capacity of gas

Gas phase ion energetics data

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

Vibrational and/or electronic energy levels

Symmetry: C2ν Symmetry Number σ = 2

Notes

Gas Chromatography

Kovats' RI, non-polar column, isothermal

Normal alkane RI, non-polar column, temperature ramp

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

Normal alkane RI, polar column, isothermal

Normal alkane RI, polar column, custom temperature program

References

Notes

Symmetry: C_2ν Symmetry Number σ = 2