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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-7773.631258
Energy at 298.15K-7773.639789
HF Energy-7773.631258
Nuclear repulsion energy948.897014
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 BLYP/STO-3G
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 1200 1111 122.77      
2 A1 403 373 6.63      
3 A1 209 194 0.16      
4 E 716 662 216.82      
4 E 716 662 216.82      
5 E 295 273 0.97      
5 E 295 273 0.97      
6 E 141 131 0.07      
6 E 141 131 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 2058.0 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 1904.0 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 BLYP/STO-3G
ABC
0.03294 0.03294 0.01934

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.465
F2 0.000 0.000 1.854
Br3 0.000 1.919 -0.185
Br4 1.662 -0.959 -0.185
Br5 -1.662 -0.959 -0.185

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.38912.02592.02592.0259
F21.38912.79992.79992.7999
Br32.02592.79993.32343.3234
Br42.02592.79993.32343.3234
Br52.02592.79993.32343.3234

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.715 F2 C1 Br4 108.715
F2 C1 Br5 108.715 Br3 C1 Br4 110.217
Br3 C1 Br5 110.217 Br4 C1 Br5 110.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.031      
2 F -0.003      
3 Br 0.011      
4 Br 0.011      
5 Br 0.011      


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 0.746 0.746
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.039 0.000 0.000
y 0.000 -59.039 0.000
z 0.000 0.000 -57.969
Traceless
 xyz
x -0.535 0.000 0.000
y 0.000 -0.535 0.000
z 0.000 0.000 1.069
Polar
3z2-r22.139
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 5.625 0.000 0.000
y 0.000 5.625 0.000
z 0.000 0.000 2.114


<r2> (average value of r2) Å2
<r2> 459.056
(<r2>)1/2 21.426