Experimental data for CH2CClCHCH2 (1,3-Butadiene, 2-chloro-)
22 02 02 11 45
| Other names |
|
Chloroprene; 2-Chloro-1,3-butadiene; 2-Chlorobutadiene; 2-Chlorobuta-1,3-diene; β-Chloroprene;
|
| INChI |
INChIKey |
SMILES |
IUPAC name |
| InChI=1S/C4H5Cl/c1-3-4(2)5/h3H,1-2H2 |
YACLQRRMGMJLJV-UHFFFAOYSA-N |
C=C(Cl)C=C |
|
| State |
Conformation |
| 1A' |
CS |
Enthalpy of formation (Hfg),
Entropy,
Integrated heat capacity (0 K to 298.15 K) (HH),
Heat Capacity (Cp)
| Property |
Value |
Uncertainty |
units |
Reference |
Comment |
Information can also be found for this species in the
NIST Chemistry Webbook
Vibrational levels (cm-1)
| Mode Number |
Symmetry |
Frequency |
Intensity |
Comment |
Description |
| Fundamental(cm-1) |
Harmonic(cm-1) |
Reference |
(km mol-1) |
unc. |
Reference |
| 1 |
A' |
3116 |
|
1978Pan/Gri:17-27 |
|
|
|
|
|
| 2 |
A' |
3102 |
|
1978Pan/Gri:17-27 |
|
|
|
|
|
| 3 |
A' |
3050 |
|
|
|
|
|
|
|
| 4 |
A' |
3030 |
|
|
|
|
|
|
|
| 5 |
A' |
3017 |
|
|
|
|
|
|
|
| 6 |
A' |
1635 |
|
|
|
|
|
|
|
| 7 |
A' |
1587 |
|
|
|
|
|
|
|
| 8 |
A' |
1410 |
|
|
|
|
|
|
|
| 9 |
A' |
1370 |
|
|
|
|
|
|
|
| 10 |
A' |
1290 |
|
|
|
|
|
|
|
| 11 |
A' |
1220 |
|
|
|
|
|
|
|
| 12 |
A' |
1025 |
|
|
|
|
|
|
|
| 13 |
A' |
884 |
|
|
|
|
|
|
|
| 14 |
A' |
635 |
|
|
|
|
|
|
|
| 15 |
A' |
515 |
|
|
|
|
|
|
|
| 16 |
A' |
388 |
|
|
|
|
|
|
|
| 17 |
A' |
260 |
|
|
|
|
|
|
|
| 18 |
A" |
977 |
|
|
|
|
|
|
|
| 19 |
A" |
931 |
|
|
|
|
|
|
|
| 20 |
A" |
926 |
|
|
|
|
|
|
|
| 21 |
A" |
736 |
|
|
|
|
|
|
|
| 22 |
A" |
|
|
|
|
|
|
|
|
| 23 |
A" |
407 |
|
|
|
|
|
|
|
| 24 |
A" |
144 |
|
|
|
|
|
|
|
vibrational zero-point energy: 15827.5 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
CH
2CClCHCH
2 (1,3-Butadiene, 2-chloro-).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook
here.
Geometric Data
Point Group Cs
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 |
| rCC |
1.344 |
0.002 |
1 |
2 |
|
|
1998Kuc |
|
| rCC |
1.344 |
0.002 |
3 |
4 |
|
|
1998Kuc |
|
| rCC |
1.469 |
0.003 |
2 |
3 |
|
|
1998Kuc |
|
| rCCl |
1.742 |
0.002 |
2 |
5 |
|
|
1998Kuc |
|
| rCH |
1.098 |
0.002 |
1 |
7 |
|
|
|
|
| aCCC |
123.5 |
0.1 |
1 |
2 |
3 |
|
1998Kuc |
|
| aCCC |
125.6 |
0.2 |
2 |
3 |
4 |
|
1998Kuc |
|
| aCCCl |
117.2 |
0.2 |
3 |
2 |
5 |
|
1998Kuc |
|
Cartesians
Atom - Atom Distances
Distances in Å
Calculated geometries
for CH
2CClCHCH
2 (1,3-Butadiene, 2-chloro-).
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
| Bond Type |
Count |
| H-C |
5 |
| C-C |
1 |
| C=C |
2 |
| C-Cl |
1 |
Connectivity
| Atom 1 |
Atom 2 |
| C1 |
C2 |
| C1 |
H6 |
| C1 |
H7 |
| C2 |
C3 |
| C2 |
Cl5 |
| C3 |
C4 |
| C3 |
H8 |
| C4 |
H9 |
| C4 |
H10 |
Electronic energy levels (cm-1)
| Energy (cm-1) |
Degeneracy |
reference |
description |
| 0 |
1 |
|
1A' |
Ionization Energies (eV)
| Ionization Energy |
I.E. unc. |
vertical I.E. |
v.I.E. unc. |
reference |
| 8.830 |
0.010 |
|
|
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 |
1A' |
Cs |
True |
|
|
|
|
|
|
Cs |
2 |
3 |
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
CH
2CClCHCH
2 (1,3-Butadiene, 2-chloro-).
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 |
1A' |
Cs |
True |
|
|
|
|
|
Cs |
2 |
3 |
Calculated electric quadrupole moments for
CH
2CClCHCH
2 (1,3-Butadiene, 2-chloro-).
References
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| squib |
reference |
DOI |
| 1978Pan/Gri:17-27 |
YN Panchenko, OE Grikina, VL Mochalov, YA Pentin, NF Stepanov, R Aroca, J Mink, AN Akopyan, AV Rodin, VK Matveev "VIBRATIONAL SPECTRA AND CONFORMATIONAL ANALYSIS OF FIVE CHLOROSUBSTITUTED BUTA-1,3-DIENES" J. Mol. Struct., 49 (1978) 17-27 |
10.1016/0022-2860(78)87003-3 |
| 1979Kar/Smi:483 |
F Karlsson, Z Smith "Microwave Spectrum of 2-Chloro-1,3-butadiene." Acta Chem. Scand. 33a (1979) 483 |
10.3891/acta.chem.scand.33a-0483 |
| 1998Kuc |
K Kuchitsu(ed) "Structure of Free Polyatomic Molecules - Basic Data" Springer, Berlin, 1998 |
10.1007/978-3-642-45748-7 |
| webbook |
NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) |
10.18434/T4D303 |
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