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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-238.235237
Energy at 298.15K-238.236495
HF Energy-238.235237
Nuclear repulsion energy70.502417
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 B3PW91/6-31G(2df,p)
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' 3102 2983 34.30      
2 A' 1208 1162 76.68      
3 A' 1007 968 12.49      
4 A' 552 531 3.46      
5 A" 1367 1314 95.59      
6 A" 1227 1179 154.92      

Unscaled Zero Point Vibrational Energy (zpe) 4231.6 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 4068.3 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 B3PW91/6-31G(2df,p)
ABC
2.27839 0.36861 0.32209

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.502 0.000
H2 -0.719 1.300 0.000
F3 0.030 -0.240 1.092
F4 0.030 -0.240 -1.092

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09391.32021.3202
H21.09392.03042.0304
F31.32022.03042.1846
F41.32022.03042.1846

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 114.178 H2 C1 F4 114.178
F3 C1 F4 111.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.002      
2 H 0.136      
3 F -0.067      
4 F -0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.625 0.968 0.000 1.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.910 -0.829 0.000
y -0.829 -14.429 0.000
z 0.000 0.000 -16.703
Traceless
 xyz
x 0.656 -0.829 0.000
y -0.829 1.377 0.000
z 0.000 0.000 -2.033
Polar
3z2-r2-4.066
x2-y2-0.481
xy-0.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.683 -0.258 0.000
y -0.258 2.039 0.000
z 0.000 0.000 2.248


<r2> (average value of r2) Å2
<r2> 35.834
(<r2>)1/2 5.986