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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-238.017933
Energy at 298.15K-238.019080
HF Energy-238.017933
Nuclear repulsion energy67.425450
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 PBEPBE/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' 3088 3046 28.31      
2 A' 1066 1051 71.86      
3 A' 906 893 5.38      
4 A' 479 473 5.61      
5 A" 1284 1266 41.99      
6 A" 1118 1103 167.23      

Unscaled Zero Point Vibrational Energy (zpe) 3970.5 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 3915.7 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 PBEPBE/6-31G
ABC
2.12603 0.33434 0.29294

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.525 0.000
H2 -0.719 1.329 0.000
F3 0.030 -0.249 1.147
F4 0.030 -0.249 -1.147

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09811.38401.3840
H21.09812.08922.0892
F31.38402.08922.2947
F41.38402.08922.2947

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 114.153 H2 C1 F4 114.153
F3 C1 F4 111.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.330      
2 H 0.163      
3 F -0.247      
4 F -0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.824 1.333 0.000 1.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.215 -0.961 0.000
y -0.961 -14.539 0.000
z 0.000 0.000 -17.767
Traceless
 xyz
x 0.938 -0.961 0.000
y -0.961 1.952 0.000
z 0.000 0.000 -2.891
Polar
3z2-r2-5.781
x2-y2-0.676
xy-0.961
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.156 -0.281 0.000
y -0.281 1.701 0.000
z 0.000 0.000 2.170


<r2> (average value of r2) Å2
<r2> 38.660
(<r2>)1/2 6.218