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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-238.115237
Energy at 298.15K 
HF Energy-238.115237
Nuclear repulsion energy69.142007
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 PBEPBEultrafine/aug-cc-pVDZ
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' 3041 3022 19.91 108.79 0.23 0.37
2 A' 1112 1106 84.95 6.22 0.25 0.40
3 A' 938 933 4.53 1.15 0.57 0.73
4 A' 515 512 3.03 1.30 0.67 0.80
5 A" 1250 1242 39.41 2.39 0.75 0.86
6 A" 1116 1109 253.86 4.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3986.0 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 3961.7 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
2.16852 0.35584 0.31054

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.519 0.000
H2 -0.745 1.307 0.000
F3 0.031 -0.246 1.112
F4 0.031 -0.246 -1.112

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.10601.34891.3489
H21.10602.06102.0610
F31.34892.06102.2230
F41.34892.06102.2230

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 113.821 H2 C1 F4 113.821
F3 C1 F4 110.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.796      
2 H -0.235      
3 F -0.280      
4 F -0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.751 1.081 0.000 1.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.800 -1.044 0.000
y -1.044 -15.296 0.000
z 0.000 0.000 -17.702
Traceless
 xyz
x 0.699 -1.044 0.000
y -1.044 1.455 0.000
z 0.000 0.000 -2.154
Polar
3z2-r2-4.308
x2-y2-0.504
xy-1.044
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.347 -0.133 0.000
y -0.133 2.687 0.000
z 0.000 0.000 2.972


<r2> (average value of r2) Å2
<r2> 37.384
(<r2>)1/2 6.114