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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-7855.815760
Energy at 298.15K-7855.824727
HF Energy-7854.569422
Nuclear repulsion energy996.725025
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 MP2/Def2TZVPP
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 1090 1037 144.22      
2 A1 415 395 0.06      
3 A1 228 217 0.34      
4 E 775 738 179.45      
4 E 775 738 179.45      
5 E 316 301 0.01      
5 E 316 301 0.01      
6 E 153 146 0.03      
6 E 153 146 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 2111.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 2008.9 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 MP2/Def2TZVPP
ABC
0.03634 0.03634 0.02135

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

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 1.768
Br3 0.000 1.809 -0.176
Br4 1.567 -0.905 -0.176
Br5 -1.567 -0.905 -0.176

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.34691.90501.90501.9050
F21.34692.65532.65532.6553
Br31.90502.65533.13363.1336
Br41.90502.65533.13363.1336
Br51.90502.65533.13363.1336

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.252 F2 C1 Br4 108.252
F2 C1 Br5 108.252 Br3 C1 Br4 110.663
Br3 C1 Br5 110.663 Br4 C1 Br5 110.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability