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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-7851.400146
Energy at 298.15K-7851.408914
HF Energy-7851.400146
Nuclear repulsion energy975.199864
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 HSEh1PBE/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 1067 1020 164.67      
2 A1 376 360 2.04      
3 A1 219 209 0.05      
4 E 700 670 244.45      
4 E 700 670 244.43      
5 E 293 280 0.00      
5 E 293 280 0.00      
6 E 148 141 0.00      
6 E 148 141 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1971.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 1885.8 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 HSEh1PBE/6-31G
ABC
0.03478 0.03478 0.02046

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.435
F2 0.000 0.000 1.818
Br3 0.000 1.865 -0.181
Br4 1.616 -0.933 -0.181
Br5 -1.616 -0.933 -0.181

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.38311.96431.96431.9643
F21.38312.73372.73372.7337
Br31.96432.73373.23103.2310
Br41.96432.73373.23103.2310
Br51.96432.73373.23103.2310

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.252 F2 C1 Br4 108.252
F2 C1 Br5 108.252 Br3 C1 Br4 110.663
Br3 C1 Br5 110.663 Br4 C1 Br5 110.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.432      
2 F -0.225      
3 Br 0.219      
4 Br 0.219      
5 Br 0.219      


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 -0.893 0.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.584 0.000 0.000
y 0.000 -63.584 0.000
z 0.000 0.000 -67.194
Traceless
 xyz
x 1.805 0.000 0.000
y 0.000 1.805 0.000
z 0.000 0.000 -3.610
Polar
3z2-r2-7.220
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 8.714 0.000 0.000
y 0.000 8.714 0.000
z 0.000 0.000 4.115


<r2> (average value of r2) Å2
<r2> 440.147
(<r2>)1/2 20.980