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' |
2795 |
|
webbook |
|
|
|
|
CH stretch |
2 |
A' |
1196 |
|
|
|
|
|
|
HCCl bend |
3 |
A' |
812 |
|
|
|
|
|
|
CCl stretch |
vibrational zero-point energy: 2401.2 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
HCCl (Chloromethylene).
Geometric Data
Point Group Cs
Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Cartesians
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
0.0457 |
1.1922 |
0.0000 |
Cl2 |
0.0457 |
-0.5039 |
0.0000 |
H3 |
-1.0510 |
1.4133 |
0.0000 |
Atom - Atom Distances
Distances in Å
|
C1 |
Cl2 |
H3 |
C1 |
|
1.6961 | 1.1188 |
Cl2 |
1.6961 |
|
2.2088 |
H3 |
1.1188 | 2.2088 |
|
Calculated geometries
for HCCl (Chloromethylene).
Experimental Bond Angles (degrees) from cartesians
atom1 |
atom2 |
atom3 |
angle |
Cl2 |
C1 |
H3 |
101.400 |
|
Cl2 |
C1 |
H3 |
101.400 |
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type |
Count |
H-C |
1 |
C-Cl |
1 |
Connectivity
Atom 1 |
Atom 2 |
C1 |
Cl2 |
C1 |
H3 |
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 |
0.501 |
|
|
|
2012Ste/Wan:114309 |
μa=0.501 |
Cs |
2 |
3 |
2 |
1 |
3A" |
Cs |
True |
|
|
|
|
|
|
Cs |
2 |
3 |
2 |
2 |
3Σ |
C∞v |
False |
|
|
|
|
|
|
C∞v |
1 |
1 |
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
HCCl (Chloromethylene).
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 |
2 |
1 |
3A" |
Cs |
True |
|
|
|
|
|
Cs |
2 |
3 |
2 |
2 |
3Σ |
C∞v |
False |
|
|
|
|
|
C∞v |
1 |
1 |
Calculated electric quadrupole moments for
HCCl (Chloromethylene).