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All results from a given calculation for CF3Br (Bromotrifluoromethane)

using model chemistry: QCISD(T)/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 QCISD(T)/TZVP
 hartrees
Energy at 0K-2909.723838
Energy at 298.15K 
HF Energy-2908.719683
Nuclear repulsion energy365.725239
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 QCISD(T)/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 1097 1057        
2 A1 765 737        
3 A1 346 334        
4 E 1235 1189        
4 E 1235 1189        
5 E 556 535        
5 E 556 535        
6 E 306 295        
6 E 306 295        

Unscaled Zero Point Vibrational Energy (zpe) 3200.5 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 3082.7 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 QCISD(T)/TZVP
ABC
0.19023 0.06867 0.06867

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.817
Br2 0.000 0.000 1.127
F3 0.000 1.247 -1.279
F4 1.080 -0.623 -1.279
F5 -1.080 -0.623 -1.279

Atom - Atom Distances (Å)
  C1 Br2 F3 F4 F5
C11.94331.32991.32991.3299
Br21.94332.70982.70982.7098
F31.32992.70982.15972.1597
F41.32992.70982.15972.1597
F51.32992.70982.15972.1597

picture of Bromotrifluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 F3 110.352 Br2 C1 F4 110.352
Br2 C1 F5 110.352 F3 C1 F4 108.577
F3 C1 F5 108.577 F4 C1 F5 108.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability