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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-7852.658033
Energy at 298.15K-7852.666808
HF Energy-7852.658033
Nuclear repulsion energy986.260667
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 1115 1070 161.31      
2 A1 385 370 0.89      
3 A1 214 206 0.19      
4 E 702 673 229.57      
4 E 701 673 229.32      
5 E 294 283 0.56      
5 E 294 283 0.56      
6 E 149 143 0.03      
6 E 149 143 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 2002.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1921.3 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
0.03558 0.03558 0.02091

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 0.447
F2 0.000 0.000 1.787
Br3 0.000 1.845 -0.179
Br4 1.598 -0.923 -0.179
Br5 -1.598 -0.923 -0.179

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.34041.94861.94861.9486
F21.34042.69642.69642.6964
Br31.94862.69643.19653.1965
Br41.94862.69643.19653.1965
Br51.94862.69643.19653.1965

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.724 F2 C1 Br4 108.724
F2 C1 Br5 108.724 Br3 C1 Br4 110.208
Br3 C1 Br5 110.208 Br4 C1 Br5 110.208
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 0.222      
2 F -0.199      
3 Br -0.008      
4 Br -0.008      
5 Br -0.008      


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 -0.265 0.265
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 10.545 0.000 0.000
y 0.000 10.544 0.001
z 0.000 0.001 6.613


<r2> (average value of r2) Å2
<r2> 430.373
(<r2>)1/2 20.745