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: B3LYPultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/6-311G*
 hartrees
Energy at 0K-7860.392838
Energy at 298.15K-7860.401642
HF Energy-7860.392838
Nuclear repulsion energy978.147447
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 B3LYPultrafine/6-311G*
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 1089 1053 192.16      
2 A1 391 378 0.62      
3 A1 212 205 0.42      
4 E 706 683 246.46      
4 E 706 683 246.46      
5 E 302 292 0.92      
5 E 302 292 0.92      
6 E 146 141 0.10      
6 E 146 141 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 2000.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1933.3 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 B3LYPultrafine/6-311G*
ABC
0.03501 0.03501 0.02044

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.434
F2 0.000 0.000 1.769
Br3 0.000 1.867 -0.176
Br4 1.616 -0.933 -0.176
Br5 -1.616 -0.933 -0.176

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33571.96381.96381.9638
F21.33572.69642.69642.6964
Br31.96382.69643.23303.2330
Br41.96382.69643.23303.2330
Br51.96382.69643.23303.2330

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.101 F2 C1 Br4 108.101
F2 C1 Br5 108.101 Br3 C1 Br4 110.806
Br3 C1 Br5 110.806 Br4 C1 Br5 110.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.092      
2 F -0.143      
3 Br 0.078      
4 Br 0.078      
5 Br 0.078      


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 -0.502 0.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.329 0.000 0.000
y 0.000 -63.329 0.000
z 0.000 0.000 -66.506
Traceless
 xyz
x 1.589 0.000 0.000
y 0.000 1.589 0.000
z 0.000 0.000 -3.178
Polar
3z2-r2-6.355
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 10.425 0.000 0.000
y 0.000 10.425 0.000
z 0.000 0.000 5.885


<r2> (average value of r2) Å2
<r2> 438.619
(<r2>)1/2 20.943