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

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-237.008950
Energy at 298.15K 
HF Energy-237.008950
Nuclear repulsion energy68.365919
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 B3LYPultrafine/3-21G
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' 3129 3019 38.43 75.63 0.27 0.42
2 A' 1138 1098 65.23 6.32 0.17 0.28
3 A' 936 903 10.55 6.44 0.44 0.61
4 A' 512 494 5.70 1.93 0.75 0.86
5 A" 1388 1340 61.50 5.38 0.75 0.86
6 A" 1213 1170 119.21 6.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4157.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 4011.7 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 B3LYPultrafine/3-21G
ABC
2.20354 0.34283 0.30041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.028 0.511 0.000
H2 -0.680 1.339 0.000
F3 0.028 -0.245 1.133
F4 0.028 -0.245 -1.133

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08881.36251.3625
H21.08882.07192.0719
F31.36252.07192.2670
F41.36252.07192.2670

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 114.937 H2 C1 F4 114.937
F3 C1 F4 112.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.336      
2 H 0.192      
3 F -0.264      
4 F -0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.757 1.213 0.000 1.430
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.961 -0.863 0.000
y -0.863 -14.302 0.000
z 0.000 0.000 -17.309
Traceless
 xyz
x 0.844 -0.863 0.000
y -0.863 1.834 0.000
z 0.000 0.000 -2.678
Polar
3z2-r2-5.356
x2-y2-0.660
xy-0.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.954 -0.290 0.000
y -0.290 1.488 0.000
z 0.000 0.000 1.840


<r2> (average value of r2) Å2
<r2> 37.742
(<r2>)1/2 6.143