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

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-238.144727
Energy at 298.15K-238.145988
HF Energy-238.144727
Nuclear repulsion energy70.425279
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 PBE1PBE/6-311G*
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' 3144 3014 35.32      
2 A' 1201 1151 100.07      
3 A' 1027 984 12.97      
4 A' 556 533 4.67      
5 A" 1372 1315 89.80      
6 A" 1215 1165 218.83      

Unscaled Zero Point Vibrational Energy (zpe) 4257.4 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 4080.7 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 PBE1PBE/6-311G*
ABC
2.27258 0.36780 0.32162

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.505 0.000
H2 -0.735 1.282 0.000
F3 0.031 -0.240 1.093
F4 0.031 -0.240 -1.093

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09061.32281.3228
H21.09062.02402.0240
F31.32282.02402.1865
F41.32282.02402.1865

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 113.643 H2 C1 F4 113.643
F3 C1 F4 111.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.153      
2 H 0.203      
3 F -0.178      
4 F -0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.729 1.152 0.000 1.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.161 -0.946 0.000
y -0.946 -14.653 0.000
z 0.000 0.000 -17.323
Traceless
 xyz
x 0.827 -0.946 0.000
y -0.946 1.589 0.000
z 0.000 0.000 -2.416
Polar
3z2-r2-4.832
x2-y2-0.508
xy-0.946
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.425 -0.229 0.000
y -0.229 1.760 0.000
z 0.000 0.000 2.016


<r2> (average value of r2) Å2
<r2> 36.098
(<r2>)1/2 6.008