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

using model chemistry: ROHF/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 ROHF/6-31G**
 hartrees
Energy at 0K-237.265186
Energy at 298.15K-237.266502
HF Energy-237.265186
Nuclear repulsion energy70.969230
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 ROHF/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' 3332 2848 39.80 76.76 0.23 0.38
2 A' 1288 1101 118.14 3.93 0.10 0.19
3 A' 1156 988 19.80 4.06 0.66 0.80
4 A' 585 500 7.50 1.02 0.74 0.85
5 A" 1498 1280 113.20 3.24 0.75 0.86
6 A" 1323 1130 207.17 5.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4591.2 cm-1
Scaled (by 0.8546) Zero Point Vibrational Energy (zpe) 3923.6 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 ROHF/6-31G**
ABC
2.28863 0.37466 0.32698

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.504 0.000
H2 -0.720 1.277 0.000
F3 0.030 -0.239 1.083
F4 0.030 -0.239 -1.083

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.07721.31391.3139
H21.07722.00902.0090
F31.31392.00902.1666
F41.31392.00902.1666

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 113.957 H2 C1 F4 113.957
F3 C1 F4 111.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.558      
2 H 0.114      
3 F -0.336      
4 F -0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.565 1.484 0.000 1.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.800 -0.728 0.000
y -0.728 -14.252 0.000
z 0.000 0.000 -17.464
Traceless
 xyz
x 1.058 -0.728 0.000
y -0.728 1.880 0.000
z 0.000 0.000 -2.938
Polar
3z2-r2-5.875
x2-y2-0.548
xy-0.728
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 35.536
(<r2>)1/2 5.961