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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-7860.718896
Energy at 298.15K-7860.727838
HF Energy-7860.718896
Nuclear repulsion energy 
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 wB97X-D/aug-cc-pVTZ
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 1108 1060 151.68      
2 A1 409 392 0.11      
3 A1 223 213 0.40      
4 E 760 727 185.81      
4 E 760 727 186.74      
5 E 314 300 0.01      
5 E 314 300 0.01      
6 E 150 144 0.04      
6 E 150 144 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 2093.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 2003.0 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 wB97X-D/aug-cc-pVTZ
ABC
0.03593 0.03593 0.02104

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.431
F2 0.000 0.000 1.763
Br3 0.000 1.840 -0.176
Br4 1.593 -0.920 -0.176
Br5 -1.593 -0.920 -0.176

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33191.93721.93721.9372
F21.33192.67272.67272.6727
Br31.93722.67273.18653.1865
Br41.93722.67273.18653.1865
Br51.93722.67273.18653.1865

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.256 F2 C1 Br4 108.256
F2 C1 Br5 108.256 Br3 C1 Br4 110.659
Br3 C1 Br5 110.659 Br4 C1 Br5 110.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 F -0.319      
3 Br 0.018      
4 Br 0.018      
5 Br 0.018      


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 -0.436 0.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.980 0.000 0.000
y 0.000 -62.980 0.000
z 0.000 0.000 -66.294
Traceless
 xyz
x 1.657 0.000 0.000
y 0.000 1.657 0.000
z 0.000 0.000 -3.314
Polar
3z2-r2-6.627
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 13.008 0.000 0.000
y 0.000 13.008 -0.004
z 0.000 -0.004 9.380


<r2> (average value of r2) Å2
<r2> 427.741
(<r2>)1/2 20.682