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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: wB97X-D/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 wB97X-D/6-31G
 hartrees
Energy at 0K-7852.619575
Energy at 298.15K-7852.628396
HF Energy-7852.619575
Nuclear repulsion energy 
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 wB97X-D/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 1062 1062 161.42      
2 A1 383 383 1.81      
3 A1 223 223 0.02      
4 E 728 728 216.81      
4 E 728 728 217.78      
5 E 297 297 0.26      
5 E 297 297 0.26      
6 E 150 150 0.00      
6 E 150 150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2008.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2008.3 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 wB97X-D/6-31G
ABC
0.03492 0.03492 0.02055

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.431
F2 0.000 0.000 1.817
Br3 0.000 1.861 -0.180
Br4 1.612 -0.931 -0.180
Br5 -1.612 -0.931 -0.180

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.38571.95931.95931.9593
F21.38572.73012.73012.7301
Br31.95932.73013.22413.2241
Br41.95932.73013.22413.2241
Br51.95932.73013.22413.2241

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.183 F2 C1 Br4 108.183
F2 C1 Br5 108.183 Br3 C1 Br4 110.728
Br3 C1 Br5 110.728 Br4 C1 Br5 110.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.418      
2 F -0.235      
3 Br 0.218      
4 Br 0.218      
5 Br 0.218      


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 -0.947 0.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.590 0.000 0.000
y 0.000 -63.590 0.000
z 0.000 0.000 -67.291
Traceless
 xyz
x 1.850 0.000 0.000
y 0.000 1.850 0.000
z 0.000 0.000 -3.701
Polar
3z2-r2-7.401
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 8.555 0.000 0.000
y 0.000 8.545 0.001
z 0.000 0.001 4.053


<r2> (average value of r2) Å2
<r2> 438.547
(<r2>)1/2 20.942