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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-7859.144503
Energy at 298.15K-7859.153232
HF Energy-7859.144503
Nuclear repulsion energy977.422508
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 PBEPBEultrafine/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 1042 1030 192.20      
2 A1 385 381 0.53      
3 A1 207 204 0.56      
4 E 678 670 252.23      
4 E 678 670 252.25      
5 E 294 290 1.40      
5 E 294 290 1.40      
6 E 140 139 0.14      
6 E 140 139 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 1928.3 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 1906.3 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 PBEPBEultrafine/TZVP
ABC
0.03495 0.03495 0.02047

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.442
F2 0.000 0.000 1.787
Br3 0.000 1.865 -0.178
Br4 1.615 -0.933 -0.178
Br5 -1.615 -0.933 -0.178

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.34481.96561.96561.9656
F21.34482.70932.70932.7093
Br31.96562.70933.23053.2305
Br41.96562.70933.23053.2305
Br51.96562.70933.23053.2305

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.399 F2 C1 Br4 108.399
F2 C1 Br5 108.399 Br3 C1 Br4 110.522
Br3 C1 Br5 110.522 Br4 C1 Br5 110.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 F -0.055      
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 -0.485 0.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.163 0.000 0.000
y 0.000 -63.163 0.000
z 0.000 0.000 -66.608
Traceless
 xyz
x 1.722 0.000 0.000
y 0.000 1.722 0.000
z 0.000 0.000 -3.444
Polar
3z2-r2-6.889
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 11.471 0.000 0.000
y 0.000 11.471 0.000
z 0.000 0.000 6.853


<r2> (average value of r2) Å2
<r2> 438.676
(<r2>)1/2 20.945