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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/STO-3G
 hartrees
Energy at 0K-7772.906742
Energy at 298.15K 
HF Energy-7772.864428
Nuclear repulsion energy965.683625
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 B2PLYP=FULLultrafine/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 1241 1241 113.95      
2 A1 427 427 7.43      
3 A1 228 228 0.47      
4 E 808 808 182.87      
4 E 808 808 182.87      
5 E 315 315 0.01      
5 E 315 315 0.01      
6 E 153 153 0.20      
6 E 153 153 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 2222.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2222.8 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 B2PLYP=FULLultrafine/STO-3G
ABC
0.03411 0.03411 0.02005

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.447
F2 0.000 0.000 1.828
Br3 0.000 1.885 -0.182
Br4 1.632 -0.942 -0.182
Br5 -1.632 -0.942 -0.182

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.38141.98691.98691.9869
F21.38142.75582.75582.7558
Br31.98692.75583.26443.2644
Br41.98692.75583.26443.2644
Br51.98692.75583.26443.2644

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.461 F2 C1 Br4 108.461
F2 C1 Br5 108.461 Br3 C1 Br4 110.463
Br3 C1 Br5 110.463 Br4 C1 Br5 110.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability