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 |
1089 |
|
VEEL5 |
|
|
|
|
CF3 s-stretch |
| 2 |
A1 |
701 |
|
VEEL5 |
|
|
|
|
CF3 umbrella |
| 3 |
E |
1260 |
|
VEEL5 |
|
|
|
|
CF3 d-stretch |
| 4 |
E |
509 |
|
VEEL5 |
|
|
|
|
CF3 d-deform |
vibrational zero-point energy: 2663.9 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
CF
3 (Trifluoromethyl radical).
Geometric Data
Point Group C3v
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 |
| rCF |
1.318 |
|
1 |
2 |
|
|
1998Kuc |
|
| aFCF |
110.76 |
|
2 |
1 |
3 |
|
1998Kuc |
|
| aXCF |
108.15 |
|
255 |
1 |
2 |
|
1998Kuc |
from symmetry. X is on symmetry axis |
Cartesians
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.0000 |
0.0000 |
0.3359 |
| F2 |
0.0000 |
1.2524 |
-0.0746 |
| F3 |
1.0846 |
-0.6262 |
-0.0746 |
| F4 |
-1.0846 |
-0.6262 |
-0.0746 |
Atom - Atom Distances
Distances in Å
| |
C1 |
F2 |
F3 |
F4 |
| C1 |
|
1.3180 | 1.3180 | 1.3180 |
| F2 |
1.3180 |
|
2.1693 | 2.1693 |
| F3 |
1.3180 | 2.1693 |
|
2.1693 |
| F4 |
1.3180 | 2.1693 | 2.1693 |
|
Calculated geometries
for CF
3 (Trifluoromethyl radical).
Experimental Bond Angles (degrees) from cartesians
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| F2 |
C1 |
F3 |
110.760 |
|
F2 |
C1 |
F4 |
110.760 |
| F3 |
C1 |
F4 |
110.760 |
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Connectivity
| Atom 1 |
Atom 2 |
| C1 |
F2 |
| C1 |
F3 |
| C1 |
F4 |
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 |
2A1 |
C3v |
True |
|
|
0.430 |
0.430 |
1979But/Lar:375-377 |
± 0.07 D deflection. Error bar may be optimistic. |
C3v |
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
CF
3 (Trifluoromethyl radical).
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 |
2A1 |
C3v |
True |
|
|
|
|
|
C3v |
1 |
1 |
Calculated electric quadrupole moments for
CF
3 (Trifluoromethyl radical).