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All results from a given calculation for CF3 (Trifluoromethyl radical)

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-334.313360
Energy at 298.15K-334.314340
HF Energy-334.313360
Nuclear repulsion energy122.981879
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 HF/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 A1 1155 1046 77.46      
2 A1 707 640 38.01      
3 E 1450 1313 315.44      
3 E 1450 1313 315.44      
4 E 519 470 9.72      
4 E 519 470 9.72      

Unscaled Zero Point Vibrational Energy (zpe) 2900.1 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 2626.3 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 HF/3-21G
ABC
0.35519 0.35519 0.18355

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.322
F2 0.000 1.269 -0.072
F3 1.099 -0.635 -0.072
F4 -1.099 -0.635 -0.072

Atom - Atom Distances (Å)
  C1 F2 F3 F4
C11.32921.32921.3292
F21.32922.19872.1987
F31.32922.19872.1987
F41.32922.19872.1987

picture of Trifluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 111.603 F2 C1 F4 111.603
F3 C1 F4 111.603
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.133      
2 F -0.378      
3 F -0.378      
4 F -0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.776 0.776
CHELPG 0.000 -0.007 1.026 1.026
AIM        
ESP 0.001 0.005 0.965 0.965


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.620 0.000 0.000
y 0.000 -21.620 0.000
z 0.000 0.000 -18.423
Traceless
 xyz
x -1.599 0.000 0.000
y 0.000 -1.599 0.000
z 0.000 0.000 3.197
Polar
3z2-r26.394
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.406 0.000 0.000
y 0.000 1.406 0.000
z 0.000 0.000 0.717


<r2> (average value of r2) Å2
<r2> 57.108
(<r2>)1/2 7.557