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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-7851.846478
Energy at 298.15K-7851.855377
HF Energy-7851.846478
Nuclear repulsion energy992.842628
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 1154 1101 158.70      
2 A1 402 384 0.60      
3 A1 223 213 0.19      
4 E 737 703 218.19      
4 E 737 703 218.15      
5 E 307 293 0.18      
5 E 307 293 0.18      
6 E 155 148 0.02      
6 E 155 148 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 2088.6 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 1993.2 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
0.03606 0.03606 0.02118

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 0.443
F2 0.000 0.000 1.774
Br3 0.000 1.833 -0.177
Br4 1.588 -0.917 -0.177
Br5 -1.588 -0.917 -0.177

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33191.93541.93541.9354
F21.33192.67792.67792.6779
Br31.93542.67793.17563.1756
Br41.93542.67793.17563.1756
Br51.93542.67793.17563.1756

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.682 F2 C1 Br4 108.682
F2 C1 Br5 108.682 Br3 C1 Br4 110.249
Br3 C1 Br5 110.249 Br4 C1 Br5 110.249
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 0.221      
2 F -0.205      
3 Br -0.005      
4 Br -0.005      
5 Br -0.005      


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 -0.312 0.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.296 0.000 0.000
y 0.000 -62.296 0.000
z 0.000 0.000 -65.101
Traceless
 xyz
x 1.403 0.000 0.000
y 0.000 1.403 0.000
z 0.000 0.000 -2.806
Polar
3z2-r2-5.612
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 10.299 0.000 0.000
y 0.000 10.298 0.000
z 0.000 0.000 6.521


<r2> (average value of r2) Å2
<r2> 425.268
(<r2>)1/2 20.622