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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-178.031669
Energy at 298.15K-178.040333
HF Energy-178.031669
Nuclear repulsion energy113.319782
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/SDD
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 970 933 191.29      
2 A1 366 352 0.89      
3 A1 209 201 0.43      
4 E 675 649 253.25      
4 E 675 649 253.23      
5 E 285 274 0.08      
5 E 285 274 0.08      
6 E 144 139 0.19      
6 E 144 139 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 1876.4 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 1803.8 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/SDD
ABC
0.03346 0.03346 0.01957

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.421
F2 0.000 0.000 1.827
Br3 0.000 1.907 -0.181
Br4 1.652 -0.954 -0.181
Br5 -1.652 -0.954 -0.181

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.40631.99991.99991.9999
F21.40632.76952.76952.7695
Br31.99992.76953.30343.3034
Br41.99992.76953.30343.3034
Br51.99992.76953.30343.3034

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 107.515 F2 C1 Br4 107.515
F2 C1 Br5 107.515 Br3 C1 Br4 111.355
Br3 C1 Br5 111.355 Br4 C1 Br5 111.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.319      
2 F -0.144      
3 Br 0.154      
4 Br 0.154      
5 Br 0.154      


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 -1.106 1.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.753 0.000 0.000
y 0.000 -53.753 0.000
z 0.000 0.000 -58.414
Traceless
 xyz
x 2.330 0.000 0.000
y 0.000 2.330 0.000
z 0.000 0.000 -4.661
Polar
3z2-r2-9.322
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 9.882 0.000 0.000
y 0.000 9.882 -0.000
z 0.000 -0.000 4.547


<r2> (average value of r2) Å2
<r2> 142.738
(<r2>)1/2 11.947