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

using model chemistry: BLYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-238.384095
Energy at 298.15K 
HF Energy-238.384095
Nuclear repulsion energy69.341766
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/6-311+G(3df,2p)
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' 3015 2998 18.98 95.61 0.25 0.40
2 A' 1107 1101 85.01 5.93 0.23 0.37
3 A' 950 945 4.56 1.22 0.49 0.66
4 A' 521 518 3.10 1.36 0.64 0.78
5 A" 1273 1266 25.18 2.44 0.75 0.86
6 A" 1099 1093 269.47 3.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3982.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3960.5 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/6-311+G(3df,2p)
ABC
2.19760 0.35685 0.31173

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.515 0.000
H2 -0.733 1.301 0.000
F3 0.031 -0.244 1.110
F4 0.031 -0.244 -1.110

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09571.34501.3450
H21.09572.05022.0502
F31.34502.05022.2202
F41.34502.05022.2202

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 113.894 H2 C1 F4 113.894
F3 C1 F4 111.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.326      
2 H 0.176      
3 F -0.251      
4 F -0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.757 1.126 0.000 1.356
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.774 -1.033 0.000
y -1.033 -15.316 0.000
z 0.000 0.000 -17.859
Traceless
 xyz
x 0.814 -1.033 0.000
y -1.033 1.500 0.000
z 0.000 0.000 -2.314
Polar
3z2-r2-4.628
x2-y2-0.458
xy-1.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.288 -0.114 0.000
y -0.114 2.638 0.000
z 0.000 0.000 2.961


<r2> (average value of r2) Å2
<r2> 37.291
(<r2>)1/2 6.107