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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-7860.659951
Energy at 298.15K-7860.668774
HF Energy-7860.659951
Nuclear repulsion energy981.294951
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/cc-pVTZ
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 1087 1051 166.69      
2 A1 393 380 0.34      
3 A1 213 206 0.38      
4 E 708 684 215.41      
4 E 708 684 215.40      
5 E 302 292 0.58      
5 E 302 292 0.58      
6 E 145 141 0.07      
6 E 145 141 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 2002.1 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 1935.4 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/cc-pVTZ
ABC
0.03523 0.03523 0.02060

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.436
F2 0.000 0.000 1.771
Br3 0.000 1.859 -0.177
Br4 1.610 -0.930 -0.177
Br5 -1.610 -0.930 -0.177

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33541.95751.95751.9575
F21.33542.69272.69272.6927
Br31.95752.69273.22043.2204
Br41.95752.69273.22043.2204
Br51.95752.69273.22043.2204

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.229 F2 C1 Br4 108.229
F2 C1 Br5 108.229 Br3 C1 Br4 110.684
Br3 C1 Br5 110.684 Br4 C1 Br5 110.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.103      
2 F -0.120      
3 Br 0.006      
4 Br 0.006      
5 Br 0.006      


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 -0.385 0.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.406 0.000 0.000
y 0.000 -63.406 0.000
z 0.000 0.000 -66.316
Traceless
 xyz
x 1.455 0.000 0.000
y 0.000 1.455 0.000
z 0.000 0.000 -2.910
Polar
3z2-r2-5.821
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 11.657 0.000 0.000
y 0.000 11.657 -0.000
z 0.000 -0.000 7.346


<r2> (average value of r2) Å2
<r2> 435.840
(<r2>)1/2 20.877