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' |
3003 |
|
webbook |
|
|
|
|
CH2 s-stretch |
2 |
A' |
1482 |
|
webbook |
|
|
|
|
CH2 sciss |
3 |
A' |
1231 |
|
webbook |
|
|
|
|
CH2 wag |
4 |
A' |
744 |
|
webbook |
|
|
|
|
CCl stretch |
5 |
A' |
614 |
|
webbook |
|
|
|
|
CBr stretch |
6 |
A' |
229 |
|
webbook |
|
|
|
|
CBrCl sciss |
7 |
A" |
3066 |
|
webbook |
|
|
|
|
CH2 a-str |
8 |
A" |
1128 |
|
webbook |
|
|
|
|
CH2 twist |
9 |
A" |
852 |
|
webbook |
|
|
|
|
CH2 rock |
vibrational zero-point energy: 6174.5 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
CH
2BrCl (Methane, bromochloro-).
Geometric Data
Point Group Cs
Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
These cartesians were determined using some assumed coordinate values.
Cartesians
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
0.0000 |
1.0160 |
0.0000 |
Br2 |
-0.8381 |
-0.7203 |
0.0000 |
Cl3 |
1.7644 |
0.9400 |
0.0000 |
H4 |
-0.3303 |
1.5682 |
0.9106 |
H5 |
-0.3303 |
1.5682 |
-0.9106 |
Atom - Atom Distances
Distances in Å
|
C1 |
Br2 |
Cl3 |
H4 |
H5 |
C1 |
|
1.9280 | 1.7660 | 1.1150 | 1.1150 |
Br2 |
1.9280 |
|
3.0870 | 2.5149 | 2.5149 |
Cl3 |
1.7660 | 3.0870 |
|
2.3689 | 2.3689 |
H4 |
1.1150 | 2.5149 | 2.3689 |
|
1.8211 |
H5 |
1.1150 | 2.5149 | 2.3689 | 1.8211 |
|
Calculated geometries
for CH
2BrCl (Methane, bromochloro-).
Experimental Bond Angles (degrees) from cartesians
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
Br2 |
C1 |
Cl3 |
113.300 |
|
Br2 |
C1 |
H4 |
108.499 |
Br2 |
C1 |
H5 |
108.499 |
|
Cl3 |
C1 |
H4 |
108.499 |
Cl3 |
C1 |
H5 |
108.499 |
|
H4 |
C1 |
H5 |
109.500 |
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-Cl |
1 |
C-Br |
1 |
Connectivity
Atom 1 |
Atom 2 |
C1 |
Br2 |
C1 |
Cl3 |
C1 |
H4 |
C1 |
H5 |
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
2BrCl (Methane, bromochloro-).
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
2BrCl (Methane, bromochloro-).