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' |
2993 |
|
1950Ply/Lam:204 |
|
|
|
|
CH2 s-stretch |
| 2 |
A' |
1468 |
|
|
|
|
|
|
CH2 scissors |
| 3 |
A' |
1351 |
|
|
|
|
|
|
CH2 wag |
| 4 |
A' |
1068 |
|
|
|
|
|
|
CF stretch |
| 5 |
A' |
760 |
|
|
|
|
|
|
CCl stretch |
| 6 |
A' |
385 |
|
|
|
|
|
|
CClF Sciss |
| 7 |
A" |
3048 |
|
|
|
|
|
|
CH2 a-stretch |
| 8 |
A" |
1236 |
|
|
|
|
|
|
CH2 twist |
| 9 |
A" |
1000 |
|
|
|
|
|
|
CH2 rock |
vibrational zero-point energy: 6654.5 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
CH
2FCl (fluorochloromethane).
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 |
-0.5491 |
-0.6332 |
0.0000 |
| F2 |
-1.5160 |
0.3370 |
0.0000 |
| Cl3 |
1.0506 |
0.1057 |
0.0000 |
| H4 |
-0.6700 |
-1.2428 |
0.8935 |
| H5 |
-0.6700 |
-1.2428 |
-0.8935 |
Atom - Atom Distances
Distances in Å
| |
C1 |
F2 |
Cl3 |
H4 |
H5 |
| C1 |
|
1.3698 | 1.7621 | 1.0884 | 1.0884 |
| F2 |
1.3698 |
|
2.5770 | 2.0025 | 2.0025 |
| Cl3 |
1.7621 | 2.5770 |
|
2.3616 | 2.3616 |
| H4 |
1.0884 | 2.0025 | 2.3616 |
|
1.7870 |
| H5 |
1.0884 | 2.0025 | 2.3616 | 1.7870 |
|
Calculated geometries
for CH
2FCl (fluorochloromethane).
Experimental Bond Angles (degrees) from cartesians
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| F2 |
C1 |
Cl3 |
110.109 |
|
F2 |
C1 |
H4 |
108.560 |
| F2 |
C1 |
H5 |
108.560 |
|
Cl3 |
C1 |
H4 |
109.615 |
| Cl3 |
C1 |
H5 |
109.615 |
|
H4 |
C1 |
H5 |
110.363 |
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-F |
1 |
| C-Cl |
1 |
Connectivity
| Atom 1 |
Atom 2 |
| C1 |
F2 |
| 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 |
|
|
|
1.820 |
NSRDS-NBS10 |
DT |
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
2FCl (fluorochloromethane).
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
2FCl (fluorochloromethane).
Electric dipole polarizability (Å3)
Calculated electric dipole polarizability for
CH
2FCl (fluorochloromethane).