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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-238.245131
Energy at 298.15K-238.246388
HF Energy-238.245131
Nuclear repulsion energy70.333654
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 B1B95/6-31G**
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' 3146 3004 40.21      
2 A' 1218 1163 86.27      
3 A' 1031 984 13.49      
4 A' 545 520 4.27      
5 A" 1392 1329 119.27      
6 A" 1235 1179 157.65      

Unscaled Zero Point Vibrational Energy (zpe) 4283.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4089.6 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 B1B95/6-31G**
ABC
2.26572 0.36690 0.32074

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.506 0.000
H2 -0.731 1.287 0.000
F3 0.030 -0.240 1.095
F4 0.030 -0.240 -1.095

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09091.32461.3246
H21.09092.02732.0273
F31.32462.02732.1894
F41.32462.02732.1894

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 113.779 H2 C1 F4 113.779
F3 C1 F4 111.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.322      
2 H 0.151      
3 F -0.236      
4 F -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.656 1.052 0.000 1.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.905 -0.827 0.000
y -0.827 -14.376 0.000
z 0.000 0.000 -16.742
Traceless
 xyz
x 0.654 -0.827 0.000
y -0.827 1.447 0.000
z 0.000 0.000 -2.101
Polar
3z2-r2-4.202
x2-y2-0.529
xy-0.827
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.420 -0.284 0.000
y -0.284 1.780 0.000
z 0.000 0.000 2.005


<r2> (average value of r2) Å2
<r2> 35.936
(<r2>)1/2 5.995