return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: B3PW91/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/cc-pVDZ
 hartrees
Energy at 0K-7860.291329
Energy at 298.15K-7860.300194
HF Energy-7860.291329
Nuclear repulsion energy985.433751
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/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 1124 1084 191.64      
2 A1 399 385 0.59      
3 A1 218 210 0.28      
4 E 724 699 237.29      
4 E 724 699 237.26      
5 E 305 294 0.72      
5 E 305 294 0.72      
6 E 149 144 0.05      
6 E 149 144 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 2047.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1976.2 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 B3PW91/cc-pVDZ
ABC
0.03553 0.03553 0.02081

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.439
F2 0.000 0.000 1.774
Br3 0.000 1.850 -0.177
Br4 1.602 -0.925 -0.177
Br5 -1.602 -0.925 -0.177

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33531.94961.94961.9496
F21.33532.68872.68872.6887
Br31.94962.68873.20363.2036
Br41.94962.68873.20363.2036
Br51.94962.68873.20363.2036

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.426 F2 C1 Br4 108.426
F2 C1 Br5 108.426 Br3 C1 Br4 110.496
Br3 C1 Br5 110.496 Br4 C1 Br5 110.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 F -0.103      
3 Br 0.063      
4 Br 0.063      
5 Br 0.063      


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 -0.383 0.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.426 0.000 0.000
y 0.000 -62.426 0.000
z 0.000 0.000 -65.370
Traceless
 xyz
x 1.472 0.000 0.000
y 0.000 1.472 0.000
z 0.000 0.000 -2.944
Polar
3z2-r2-5.889
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 9.835 0.000 0.000
y 0.000 9.835 0.001
z 0.000 0.001 5.701


<r2> (average value of r2) Å2
<r2> 431.599
(<r2>)1/2 20.775