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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-238.085128
Energy at 298.15K 
HF Energy-238.085128
Nuclear repulsion energy69.861260
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/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' 3000 2969 37.58 83.45 0.26 0.41
2 A' 1162 1150 66.69 6.05 0.11 0.20
3 A' 972 962 11.48 4.75 0.46 0.63
4 A' 533 528 2.50 1.32 0.72 0.84
5 A" 1312 1299 78.07 3.31 0.75 0.86
6 A" 1176 1164 153.53 5.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4077.7 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 4035.7 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/6-31G(2df,p)
ABC
2.23912 0.36180 0.31633

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.507 0.000
H2 -0.735 1.303 0.000
F3 0.031 -0.241 1.102
F4 0.031 -0.241 -1.102

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.10401.33251.3325
H21.10402.04592.0459
F31.33252.04592.2048
F41.33252.04592.2048

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 113.884 H2 C1 F4 113.884
F3 C1 F4 111.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.069      
2 H 0.122      
3 F -0.027      
4 F -0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.634 0.815 0.000 1.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.048 -0.832 0.000
y -0.832 -14.611 0.000
z 0.000 0.000 -16.574
Traceless
 xyz
x 0.545 -0.832 0.000
y -0.832 1.200 0.000
z 0.000 0.000 -1.745
Polar
3z2-r2-3.489
x2-y2-0.437
xy-0.832
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.738 -0.280 0.000
y -0.280 2.126 0.000
z 0.000 0.000 2.372


<r2> (average value of r2) Å2
<r2> 36.353
(<r2>)1/2 6.029