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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-7859.045716
Energy at 298.15K-7859.054461
HF Energy-7859.045716
Nuclear repulsion energy978.918741
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 PBEPBEultrafine/aug-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 1014 1008 151.39      
2 A1 386 384 0.13      
3 A1 211 209 0.58      
4 E 684 680 219.34      
4 E 684 680 219.33      
5 E 291 290 0.81      
5 E 291 290 0.81      
6 E 142 142 0.11      
6 E 142 142 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 1923.5 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1911.7 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.03506 0.03506 0.02056

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

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 1.793
Br3 0.000 1.861 -0.179
Br4 1.612 -0.931 -0.179
Br5 -1.612 -0.931 -0.179

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.35751.95971.95971.9597
F21.35752.71112.71112.7111
Br31.95972.71113.22353.2235
Br41.95972.71113.22353.2235
Br51.95972.71113.22353.2235

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.259 F2 C1 Br4 108.259
F2 C1 Br5 108.259 Br3 C1 Br4 110.656
Br3 C1 Br5 110.656 Br4 C1 Br5 110.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.727      
2 F -0.230      
3 Br 0.319      
4 Br 0.319      
5 Br 0.319      


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 -0.423 0.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.420 0.000 0.000
y 0.000 -63.420 0.000
z 0.000 0.000 -66.701
Traceless
 xyz
x 1.640 0.000 0.000
y 0.000 1.640 0.000
z 0.000 0.000 -3.281
Polar
3z2-r2-6.562
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 13.496 0.000 0.000
y 0.000 13.497 0.000
z 0.000 0.000 9.425


<r2> (average value of r2) Å2
<r2> 437.387
(<r2>)1/2 20.914