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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-238.113715
Energy at 298.15K 
HF Energy-237.964467
Nuclear repulsion energy69.884259
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 B2PLYP=FULLultrafine/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' 3172 3010 39.32 81.38 0.26 0.41
2 A' 1195 1134 83.52 5.51 0.11 0.20
3 A' 1052 998 12.61 4.96 0.56 0.71
4 A' 539 511 4.41 1.51 0.74 0.85
5 A" 1391 1320 88.78 4.35 0.75 0.86
6 A" 1218 1156 183.14 5.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4283.8 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 4064.0 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 B2PLYP=FULLultrafine/6-31G*
ABC
2.24535 0.36166 0.31633

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.509 0.000
H2 -0.731 1.289 0.000
F3 0.030 -0.241 1.103
F4 0.030 -0.241 -1.103

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08961.33371.3337
H21.08962.03382.0338
F31.33372.03382.2053
F41.33372.03382.2053

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 113.743 H2 C1 F4 113.743
F3 C1 F4 111.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.349      
2 H 0.148      
3 F -0.248      
4 F -0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.646 1.120 0.000 1.293
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.012 -0.803 -0.000
y -0.803 -14.454 0.001
z -0.000 0.001 -16.961
Traceless
 xyz
x 0.696 -0.803 -0.000
y -0.803 1.532 0.001
z -0.000 0.001 -2.228
Polar
3z2-r2-4.456
x2-y2-0.558
xy-0.803
xz-0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.400 -0.286 0.000
y -0.286 1.779 0.001
z 0.000 0.001 2.023


<r2> (average value of r2) Å2
<r2> 36.371
(<r2>)1/2 6.031