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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-7860.312166
Energy at 298.15K-7860.321043
HF Energy-7860.312166
Nuclear repulsion energy987.206349
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 B3PW91/aug-cc-pVDZ
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 1073 1035 151.14      
2 A1 401 387 0.09      
3 A1 220 212 0.47      
4 E 729 703 204.40      
4 E 729 703 204.41      
5 E 305 294 0.25      
5 E 305 294 0.25      
6 E 149 144 0.07      
6 E 149 144 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 2029.7 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 1957.9 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 B3PW91/aug-cc-pVDZ
ABC
0.03565 0.03565 0.02090

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.433
F2 0.000 0.000 1.777
Br3 0.000 1.846 -0.177
Br4 1.598 -0.923 -0.177
Br5 -1.598 -0.923 -0.177

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.34411.94371.94371.9437
F21.34412.68762.68762.6876
Br31.94372.68763.19673.1967
Br41.94372.68763.19673.1967
Br51.94372.68763.19673.1967

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.279 F2 C1 Br4 108.279
F2 C1 Br5 108.279 Br3 C1 Br4 110.637
Br3 C1 Br5 110.637 Br4 C1 Br5 110.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.788      
2 F -0.257      
3 Br 0.349      
4 Br 0.349      
5 Br 0.349      


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 -0.454 0.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.009 0.000 0.000
y 0.000 -63.009 0.000
z 0.000 0.000 -66.412
Traceless
 xyz
x 1.701 0.000 0.000
y 0.000 1.701 0.000
z 0.000 0.000 -3.403
Polar
3z2-r2-6.806
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 12.834 0.000 0.000
y 0.000 12.835 -0.001
z 0.000 -0.001 9.005


<r2> (average value of r2) Å2
<r2> 430.541
(<r2>)1/2 20.749