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All results from a given calculation for CH2F (fluoromethyl radical)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-138.918854
Energy at 298.15K-138.920133
HF Energy-138.918854
Nuclear repulsion energy32.197195
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3172 3023 13.03      
2 A' 1511 1440 10.08      
3 A' 1236 1178 99.84      
4 A' 608 580 38.92      
5 A" 3320 3164 22.46      
6 A" 1189 1134 7.68      

Unscaled Zero Point Vibrational Energy (zpe) 5517.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 5258.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/6-31G**
ABC
8.77514 1.03439 0.93462

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.029 0.653 0.000
F2 0.029 -0.682 0.000
H3 -0.215 1.111 0.953
H4 -0.215 1.111 -0.953

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.33481.08491.0849
F21.33482.04482.0448
H31.08492.04481.9059
H41.08492.04481.9059

picture of fluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 H3 114.970 F2 C1 H4 114.970
H3 C1 H4 122.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 F -0.243      
3 H 0.164      
4 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.410 1.194 0.000 1.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.009 -0.448 0.000
y -0.448 -11.028 0.000
z 0.000 0.000 -10.378
Traceless
 xyz
x -1.306 -0.448 0.000
y -0.448 0.166 0.000
z 0.000 0.000 1.141
Polar
3z2-r22.281
x2-y2-0.981
xy-0.448
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.041 -0.125 0.000
y -0.125 1.878 0.000
z 0.000 0.000 1.821


<r2> (average value of r2) Å2
<r2> 18.088
(<r2>)1/2 4.253