Experimental data for CHClCHCl (Ethene, 1,2-dichloro-, (Z)-)
22 02 02 11 45
Other names |
1,cis-2-Dichloroethene; 1,2-cis-Dichloroethene; 1,2-cis-Dichloroethylene; (Z)-1,2-Dichloroethene; (Z)-1,2-Dichloroethylene; (Z)-CHCl=CHCl; Acetylene dichloride, cis-; cis-1,2-Dichloroethene; cis-1,2-Dichloroethylene; cis-Di-1,2-Chloroethylene; cis-Dichloroethylene; cis-Dichloromethylene; Dichloroethylene, cis-; Ethene, 1,2-dichloro-, (Z)-; Ethylene, 1,2-dichloro-, (Z)-; 1,2-dichloroethylene;
|
INChI |
INChIKey |
SMILES |
IUPAC name |
InChI=1S/C2H2Cl2/c3-1-2-4/h1-2H/b2-1- |
KFUSEUYYWQURPO-UPHRSURJSA-N |
Cl/C=C\Cl |
(Z)-1,2-Dichloroethene |
State |
Conformation |
1A1 |
C2V |
Vibrational levels (cm-1)
Mode Number |
Symmetry |
Frequency |
Intensity |
Comment |
Description |
Fundamental(cm-1) |
Harmonic(cm-1) |
Reference |
(km mol-1) |
unc. |
Reference |
1 |
A1 |
3077 |
|
Shim |
|
|
|
|
|
2 |
A1 |
1587 |
|
Shim |
|
|
|
|
|
3 |
A1 |
1179 |
|
Shim |
|
|
|
|
|
4 |
A1 |
711 |
|
Shim |
|
|
|
|
|
5 |
A1 |
173 |
|
Shim |
|
|
|
|
|
6 |
A2 |
876 |
|
Shim |
|
|
|
|
|
7 |
A2 |
406 |
|
Shim |
|
|
|
|
|
8 |
B1 |
697 |
|
Shim |
|
|
|
|
|
9 |
B2 |
3072 |
|
Shim |
|
|
|
|
|
10 |
B2 |
1303 |
|
Shim |
|
|
|
|
|
11 |
B2 |
857 |
|
Shim |
|
|
|
|
|
12 |
B2 |
571 |
|
Shim |
|
|
|
|
|
vibrational zero-point energy: 7254.5 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
CHClCHCl (Ethene, 1,2-dichloro-, (Z)-).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook
here.
Geometric Data
Point Group C2v
Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Cartesians
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
0.0000 |
0.6587 |
0.9674 |
C2 |
0.0000 |
-0.6587 |
0.9674 |
H3 |
0.0000 |
1.2610 |
1.8886 |
H4 |
0.0000 |
-1.2610 |
1.8886 |
Cl5 |
0.0000 |
1.6244 |
-0.4525 |
Cl6 |
0.0000 |
-1.6244 |
-0.4525 |
Atom - Atom Distances
Distances in Å
|
C1 |
C2 |
H3 |
H4 |
Cl5 |
Cl6 |
C1 |
|
1.3173 | 1.1007 | 2.1293 | 1.7172 | 2.6886 |
C2 |
1.3173 |
|
2.1293 | 1.1007 | 2.6886 | 1.7172 |
H3 |
1.1007 | 2.1293 |
|
2.5221 | 2.3692 | 3.7157 |
H4 |
2.1293 | 1.1007 | 2.5221 |
|
3.7157 | 2.3692 |
Cl5 |
1.7172 | 2.6886 | 2.3692 | 3.7157 |
|
3.2487 |
Cl6 |
2.6886 | 1.7172 | 3.7157 | 2.3692 | 3.2487 |
|
Calculated geometries
for CHClCHCl (Ethene, 1,2-dichloro-, (Z)-).
Experimental Bond Angles (degrees) from cartesians
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
C1 |
C2 |
H4 |
123.180 |
|
C1 |
C2 |
Cl6 |
124.220 |
C2 |
C1 |
H3 |
123.180 |
|
C2 |
C1 |
Cl5 |
124.220 |
H3 |
C1 |
Cl5 |
112.600 |
|
H4 |
C2 |
Cl6 |
112.600 |
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type |
Count |
H-C |
2 |
C=C |
1 |
C-Cl |
2 |
Connectivity
Atom 1 |
Atom 2 |
C1 |
C2 |
C1 |
H3 |
C1 |
Cl5 |
C2 |
H4 |
C2 |
Cl6 |
Electronic energy levels (cm-1)
Energy (cm-1) |
Degeneracy |
reference |
description |
0 |
1 |
|
1A1 |
42300 |
1 |
1966Herzberg |
|
Ionization Energies (eV)
Ionization Energy |
I.E. unc. |
vertical I.E. |
v.I.E. unc. |
reference |
9.660 |
0.010 |
9.800 |
|
webbook |
Dipole, Quadrupole and Polarizability
Electric dipole moment
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 |
True |
|
|
|
1.900 |
NSRDS-NBS10 |
dielectric |
C2v |
1 |
2 |
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
CHClCHCl (Ethene, 1,2-dichloro-, (Z)-).
Electric quadrupole moment
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 |
True |
|
|
|
|
|
C2v |
1 |
2 |
Calculated electric quadrupole moments for
CHClCHCl (Ethene, 1,2-dichloro-, (Z)-).
Electric dipole polarizability (Å3)
Calculated electric dipole polarizability for
CHClCHCl (Ethene, 1,2-dichloro-, (Z)-).
References
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squib |
reference |
DOI |
1966Herzberg |
Herzberg, G., Electronic spectra and electronic structure of polyatomic molecules,Van Nostrand,New York, 1966 |
|
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. |
|
1998Gus/Rui:163 |
M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215 |
10.1016/S0022-2860(97)00292-5 |
2002Man:123 |
JA Manion "Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons" J. Phys. Chem. Ref. Data 31(1), 123-172, 2002 |
10.1063/1.1420703 |
Gurvich |
Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989 |
|
NSRDS-NBS10 |
R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 |
10.6028/NBS.NSRDS.10 |
Shim |
Shimanouchi, T. , Tables of Molecular Vibrational Frequencies, Consolidated Volu |
10.6028/NBS.NSRDS.39 |
webbook |
NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) |
10.18434/T4D303 |
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