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Experimental data for CH2CHOCHCH2 (Vinyl ether)

22 02 02 11 45
Other names
1,1'-Oxybisethene; Divinyl ether; Divinyl ether, inhibited; Divinyl oxide; Ethene, 1,1'-oxybis-; Ethenyloxyethene; Ether, divinyl; Vinyl Ether; Vinether; Vinidyl; Vinydan; Vinethen; Vinethene; Vinesthene; Vinesthesin; ether; (vinyloxy)ethene;
INChI INChIKey SMILES IUPAC name
InChI=1S/C4H6O/c1-3-5-4-2/h3-4H,1-2H2 QYKIQEUNHZKYBP-UHFFFAOYSA-N C=COC=C (vinyloxy)ethene
State Conformation
1A1 C2V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -12.68 0.84 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   0.84 kJ mol-1 webbook
Entropy (298.15K) entropy     J K-1 mol-1  
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity     kJ mol-1  
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 A 3133   1967Cla/Dan:371      
2 A 3133          
3 A 3080          
4 A 3057          
5 A 3057          
6 A 3000          
7 A 1670          
8 A 1649          
9 A 1400          
10 A 1387          
11 A 1332          
12 A 1305          
13 A 1178          
14 A 1117          
15 A 1020          
16 A 996          
17 A 951          
18 A 852          
19 A 837          
20 A 837          
21 A 713          
22 A 700          
23 A 580          
24 A 452          
25 A 276          
26 A 187          
27 A 85          

Calculated vibrational frequencies for CH2CHOCHCH2 (Vinyl ether).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook here.
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
       

Calculated rotational constants for CH2CHOCHCH2 (Vinyl ether).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Vinyl ether

Point Group C2v


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rCH 1.103   2 6 1992Kuchitsu(II/21) average
rCC 1.337   2 4 1992Kuchitsu(II/21) average
rCO 1.389   1 2 1992Kuchitsu(II/21) average
aCCO 119 1 2 4 1992Kuchitsu(II/21)
aHCC 115 2 4 8 1992Kuchitsu(II/21) average
dCOCC 167 2 1 3 5 1992Kuchitsu(II/21)

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CH2CHOCHCH2 (Vinyl ether).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 6
C=C 2
C-O 2

Connectivity
Atom 1 Atom 2
O1 C2
O1 C3
C2 C4
C2 H6
C3 C5
C3 H7
C4 H8
C4 H9
C5 H10
C5 H11
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A1

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
8.680 0.050     webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A1 C2v False           C2v 1 2
1 2 1A C1 True 0.349 0.662 0.225 0.782 1971Hir/Cur:358 μ = 0.782D ± 0.026D C1 3 5
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CH2CHOCHCH2 (Vinyl ether).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A1 C2v False       C2v 1 2
1 2 1A C1 True       C1 3 5

Calculated electric quadrupole moments for CH2CHOCHCH2 (Vinyl ether).

References
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squib reference DOI
1967Cla/Dan:371 ADH Clague, A Danti "Molecular Structure and Vibrational Spectra of Divinyl Ether" J. Mol. Spect. 22, 371-382 (1967) 10.1016/0022-2852(67)90184-1
1971Hir/Cur:358 C Hirose, RF Curl Jr, "Microwave Spectrum, Conformation, and Dipole Moment of Divinyl ether" J. Molecular Spectroscopy 38, 358-366 (1971) 10.1016/0022-2852(71)90119-6
1992Kuchitsu(II/21) Kuchitsu (ed.), Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 21: Structure Data of Free Polyatomic Molecules. Springer-Verlag, Berlin, 1992.  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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