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All results from a given calculation for CHF2 (difluoromethyl radical)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-234.868996
Energy at 298.15K-234.870079
HF Energy-234.868996
Nuclear repulsion energy66.882310
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 BLYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3028 2801 28.21      
2 A' 1157 1070 18.76      
3 A' 923 854 15.53      
4 A' 484 448 1.66      
5 A" 1394 1290 46.99      
6 A" 1196 1107 30.74      

Unscaled Zero Point Vibrational Energy (zpe) 4091.0 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3785.0 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 BLYP/STO-3G
ABC
2.07412 0.33017 0.28964

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.033 0.532 0.000
H2 -0.792 1.315 0.000
F3 0.033 -0.250 1.154
F4 0.033 -0.250 -1.154

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.13741.39381.3938
H21.13742.11222.1122
F31.39382.11222.3072
F41.39382.11222.3072

picture of difluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 112.731 H2 C1 F4 112.731
F3 C1 F4 111.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.034      
2 H 0.050      
3 F -0.042      
4 F -0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.559 0.098 0.000 0.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.405 -0.582 0.000
y -0.582 -13.558 0.000
z 0.000 0.000 -14.211
Traceless
 xyz
x 0.479 -0.582 0.000
y -0.582 0.250 0.000
z 0.000 0.000 -0.730
Polar
3z2-r2-1.460
x2-y20.153
xy-0.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.547 -0.223 0.000
y -0.223 1.021 0.000
z 0.000 0.000 1.528


<r2> (average value of r2) Å2
<r2> 37.735
(<r2>)1/2 6.143