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All results from a given calculation for CF3Br (Bromotrifluoromethane)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-91.501767
Energy at 298.15K 
HF Energy-91.501767
Nuclear repulsion energy101.606595
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 B3LYP/CEP-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 1006 974 465.41      
2 A1 672 650 36.38      
3 A1 325 315 0.19      
4 E 1090 1055 280.92      
4 E 1090 1055 280.95      
5 E 481 466 3.95      
5 E 481 466 3.96      
6 E 274 265 0.15      
6 E 274 265 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 2846.0 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 2756.1 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 B3LYP/CEP-31G
ABC
0.17441 0.06448 0.06448

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.818
Br2 0.000 0.000 1.159
F3 0.000 1.302 -1.320
F4 1.128 -0.651 -1.320
F5 -1.128 -0.651 -1.320

Atom - Atom Distances (Å)
  C1 Br2 F3 F4 F5
C11.97711.39571.39571.3957
Br21.97712.80052.80052.8005
F31.39572.80052.25552.2555
F41.39572.80052.25552.2555
F51.39572.80052.25552.2555

picture of Bromotrifluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 F3 111.090 Br2 C1 F4 111.090
Br2 C1 F5 111.090 F3 C1 F4 107.805
F3 C1 F5 107.805 F4 C1 F5 107.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 Br 0.229      
3 F -0.083      
4 F -0.083      
5 F -0.083      


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 1.479 1.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.431 0.000 0.000
y 0.000 -37.431 0.000
z 0.000 0.000 -34.779
Traceless
 xyz
x -1.326 0.000 0.000
y 0.000 -1.326 0.000
z 0.000 0.000 2.651
Polar
3z2-r25.303
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 2.493 0.000 0.000
y 0.000 2.493 0.000
z 0.000 0.000 5.913


<r2> (average value of r2) Å2
<r2> 107.134
(<r2>)1/2 10.351