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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-7848.617378
Energy at 298.15K-7848.626464
HF Energy-7847.479505
Nuclear repulsion energy1011.166987
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 CCSD=FULL/6-31G(2df,p)
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 1143 1076 113.28      
2 A1 425 400 0.04      
3 A1 241 227 0.16      
4 E 819 771 144.61      
4 E 819 771 144.61      
5 E 328 308 0.46      
5 E 328 308 0.46      
6 E 164 154 0.00      
6 E 164 154 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2214.2 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 2084.9 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 CCSD=FULL/6-31G(2df,p)
ABC
0.03740 0.03740 0.02198

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.414
F2 0.000 0.000 1.750
Br3 0.000 1.800 -0.174
Br4 1.559 -0.900 -0.174
Br5 -1.559 -0.900 -0.174

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33631.89321.89321.8932
F21.33632.63462.63462.6346
Br31.89322.63463.11713.1171
Br41.89322.63463.11713.1171
Br51.89322.63463.11713.1171

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.086 F2 C1 Br4 108.086
F2 C1 Br5 108.086 Br3 C1 Br4 110.820
Br3 C1 Br5 110.820 Br4 C1 Br5 110.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability