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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-238.036947
Energy at 298.15K-238.038137
HF Energy-238.036947
Nuclear repulsion energy68.226831
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 HSEh1PBE/6-31G
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' 3221 3081 21.57      
2 A' 1120 1071 84.78      
3 A' 942 901 6.42      
4 A' 500 479 8.06      
5 A" 1344 1286 60.19      
6 A" 1183 1131 169.44      

Unscaled Zero Point Vibrational Energy (zpe) 4154.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 3974.5 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 HSEh1PBE/6-31G
ABC
2.16867 0.34284 0.30002

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.029 0.519 0.000
H2 -0.698 1.326 0.000
F3 0.029 -0.247 1.133
F4 0.029 -0.247 -1.133

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08631.36761.3676
H21.08632.07022.0702
F31.36762.07022.2664
F41.36762.07022.2664

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 114.572 H2 C1 F4 114.572
F3 C1 F4 111.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.403      
2 H 0.177      
3 F -0.290      
4 F -0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.788 1.582 0.000 1.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.097 -0.934 0.000
y -0.934 -14.384 0.000
z 0.000 0.000 -18.133
Traceless
 xyz
x 1.161 -0.934 0.000
y -0.934 2.231 0.000
z 0.000 0.000 -3.393
Polar
3z2-r2-6.785
x2-y2-0.713
xy-0.934
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.093 -0.259 0.000
y -0.259 1.588 0.000
z 0.000 0.000 1.991


<r2> (average value of r2) Å2
<r2> 38.004
(<r2>)1/2 6.165