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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: TPSSh/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/6-31G
 hartrees
Energy at 0K-7852.209841
Energy at 298.15K-7852.218501
HF Energy-7852.209841
Nuclear repulsion energy968.268560
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 TPSSh/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 A1 1034 995 169.81      
2 A1 361 347 2.46      
3 A1 210 202 0.07      
4 E 672 647 261.43      
4 E 672 647 261.36      
5 E 281 271 0.08      
5 E 281 271 0.08      
6 E 142 136 0.00      
6 E 142 136 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1897.8 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 1825.9 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 TPSSh/6-31G
ABC
0.03429 0.03429 0.02018

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.441
F2 0.000 0.000 1.832
Br3 0.000 1.878 -0.182
Br4 1.627 -0.939 -0.182
Br5 -1.627 -0.939 -0.182

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.39121.97921.97921.9792
F21.39122.75452.75452.7545
Br31.97922.75453.25353.2535
Br41.97922.75453.25353.2535
Br51.97922.75453.25353.2535

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.362 F2 C1 Br4 108.362
F2 C1 Br5 108.362 Br3 C1 Br4 110.557
Br3 C1 Br5 110.557 Br4 C1 Br5 110.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.392      
2 F -0.213      
3 Br 0.202      
4 Br 0.202      
5 Br 0.202      


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 -0.802 0.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.016 0.000 0.000
y 0.000 9.015 0.001
z 0.000 0.001 4.225


<r2> (average value of r2) Å2
<r2> 445.777
(<r2>)1/2 21.113