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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-238.009484
Energy at 298.15K 
HF Energy-237.901492
Nuclear repulsion energy67.715471
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 B2PLYP/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' 3223 3223 21.70      
2 A' 1094 1094 82.86      
3 A' 973 973 4.54      
4 A' 492 492 8.46      
5 A" 1344 1344 47.57      
6 A" 1155 1155 177.22      

Unscaled Zero Point Vibrational Energy (zpe) 4140.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4140.4 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 B2PLYP/6-31G
ABC
2.14011 0.33740 0.29544

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.029 0.525 0.000
H2 -0.708 1.321 0.000
F3 0.029 -0.248 1.142
F4 0.029 -0.248 -1.142

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08551.37911.3791
H21.08552.07652.0765
F31.37912.07652.2844
F41.37912.07652.2844

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 114.288 H2 C1 F4 114.288
F3 C1 F4 111.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.442      
2 H 0.161      
3 F -0.302      
4 F -0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.774 1.652 0.000 1.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.155 -0.892 0.000
y -0.892 -14.464 0.000
z 0.000 0.000 -18.347
Traceless
 xyz
x 1.251 -0.892 0.000
y -0.892 2.287 0.000
z 0.000 0.000 -3.538
Polar
3z2-r2-7.076
x2-y2-0.691
xy-0.892
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.077 -0.268 0.000
y -0.268 1.591 0.000
z 0.000 0.000 2.034


<r2> (average value of r2) Å2
<r2> 38.499
(<r2>)1/2 6.205