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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-7854.444396
Energy at 298.15K-7854.453546
HF Energy-7854.444396
Nuclear repulsion energy993.787397
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 HF/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 1200 1093 153.14      
2 A1 435 396 0.00      
3 A1 239 218 0.27      
4 E 839 764 184.57      
4 E 839 764 184.57      
5 E 337 306 0.18      
5 E 337 306 0.18      
6 E 165 150 0.02      
6 E 165 150 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 2277.1 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 2073.6 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 HF/aug-cc-pVDZ
ABC
0.03614 0.03614 0.02113

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.424
F2 0.000 0.000 1.751
Br3 0.000 1.836 -0.174
Br4 1.590 -0.918 -0.174
Br5 -1.590 -0.918 -0.174

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.32641.93091.93091.9309
F21.32642.65992.65992.6599
Br31.93092.65993.17983.1798
Br41.93092.65993.17983.1798
Br51.93092.65993.17983.1798

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.053 F2 C1 Br4 108.053
F2 C1 Br5 108.053 Br3 C1 Br4 110.851
Br3 C1 Br5 110.851 Br4 C1 Br5 110.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.908      
2 F -0.404      
3 Br 0.437      
4 Br 0.437      
5 Br 0.437      


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 -0.552 0.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.827 0.000 0.000
y 0.000 -63.827 0.000
z 0.000 0.000 -67.617
Traceless
 xyz
x 1.895 0.000 0.000
y 0.000 1.895 0.000
z 0.000 0.000 -3.790
Polar
3z2-r2-7.579
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 12.032 0.000 0.000
y 0.000 12.032 0.000
z 0.000 0.000 8.406


<r2> (average value of r2) Å2
<r2> 426.392
(<r2>)1/2 20.649