return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at M06-2X/daug-cc-pVDZ
 hartrees
Energy at 0K-238.265413
Energy at 298.15K 
HF Energy-238.265413
Nuclear repulsion energy70.173644
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 M06-2X/daug-cc-pVDZ
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' 3173 3173 15.22 90.41 0.19 0.32
2 A' 1196 1196 101.70 4.56 0.25 0.40
3 A' 989 989 6.41 0.70 0.73 0.85
4 A' 549 549 5.11 0.88 0.66 0.79
5 A" 1339 1339 84.51 1.40 0.75 0.86
6 A" 1216 1216 216.92 3.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4230.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4230.5 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 M06-2X/daug-cc-pVDZ
ABC
2.21639 0.36766 0.32022

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.512 0.000
H2 -0.724 1.303 0.000
F3 0.030 -0.243 1.094
F4 0.030 -0.243 -1.094

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09311.32911.3291
H21.09312.03882.0388
F31.32912.03882.1873
F41.32912.03882.1873

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 114.290 H2 C1 F4 114.290
F3 C1 F4 110.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.337      
2 H -0.340      
3 F -0.499      
4 F -0.499      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.719 1.274 0.000 1.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.515 -1.028 0.000
y -1.028 -14.965 0.000
z 0.000 0.000 -17.723
Traceless
 xyz
x 0.829 -1.028 0.000
y -1.028 1.654 0.000
z 0.000 0.000 -2.482
Polar
3z2-r2-4.965
x2-y2-0.550
xy-1.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.241 -0.103 0.000
y -0.103 2.498 0.000
z 0.000 0.000 2.668


<r2> (average value of r2) Å2
<r2> 36.447
(<r2>)1/2 6.037