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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: PBE1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-7859.401672
Energy at 298.15K-7859.410580
HF Energy-7859.401672
Nuclear repulsion energy989.931397
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 PBE1PBE/TZVP
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 1118 1072 192.43      
2 A1 407 390 0.42      
3 A1 220 211 0.40      
4 E 741 711 230.91      
4 E 741 711 230.99      
5 E 312 300 0.22      
5 E 312 300 0.22      
6 E 149 143 0.07      
6 E 149 143 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 2073.8 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 1990.0 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 PBE1PBE/TZVP
ABC
0.03585 0.03585 0.02100

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.435
F2 0.000 0.000 1.765
Br3 0.000 1.841 -0.176
Br4 1.595 -0.921 -0.176
Br5 -1.595 -0.921 -0.176

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.32981.94031.94031.9403
F21.32982.67582.67582.6758
Br31.94032.67583.18943.1894
Br41.94032.67583.18943.1894
Br51.94032.67583.18943.1894

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.373 F2 C1 Br4 108.373
F2 C1 Br5 108.373 Br3 C1 Br4 110.547
Br3 C1 Br5 110.547 Br4 C1 Br5 110.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.066      
2 F -0.077      
3 Br 0.004      
4 Br 0.004      
5 Br 0.004      


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 -0.561 0.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.900 0.000 0.000
y 0.000 -62.900 0.000
z 0.000 0.000 -66.572
Traceless
 xyz
x 1.836 0.000 0.000
y 0.000 1.836 0.000
z 0.000 0.000 -3.673
Polar
3z2-r2-7.345
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 10.811 0.000 0.000
y 0.000 10.811 0.000
z 0.000 0.000 6.574


<r2> (average value of r2) Å2
<r2> 428.530
(<r2>)1/2 20.701