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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-7847.598516
Energy at 298.15K-7847.607450
HF Energy-7846.930243
Nuclear repulsion energy986.450622
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 CCD/6-31G*
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 1154 1092 141.63      
2 A1 402 381 0.24      
3 A1 226 214 0.12      
4 E 768 726 168.50      
4 E 768 726 168.50      
5 E 310 293 0.08      
5 E 310 293 0.08      
6 E 159 150 0.01      
6 E 159 150 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 2127.1 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 2013.3 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 CCD/6-31G*
ABC
0.03560 0.03560 0.02089

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

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 1.782
Br3 0.000 1.846 -0.178
Br4 1.599 -0.923 -0.178
Br5 -1.599 -0.923 -0.178

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.34721.94531.94531.9453
F21.34722.69262.69262.6926
Br31.94532.69263.19783.1978
Br41.94532.69263.19783.1978
Br51.94532.69263.19783.1978

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.362 F2 C1 Br4 108.362
F2 C1 Br5 108.362 Br3 C1 Br4 110.557
Br3 C1 Br5 110.557 Br4 C1 Br5 110.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability