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All results from a given calculation for CF3Br (Bromotrifluoromethane)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-2906.720524
Energy at 298.15K 
HF Energy-2906.065454
Nuclear repulsion energy368.929325
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 CISD/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 1173 1086 538.90      
2 A1 793 735 51.56      
3 A1 365 338 0.00      
4 E 1346 1246 276.51      
4 E 1346 1246 276.51      
5 E 566 524 3.21      
5 E 566 524 3.21      
6 E 319 295 0.05      
6 E 319 295 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 3396.7 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 3144.6 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 CISD/6-31G*
ABC
0.19233 0.07007 0.07007

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.809
Br2 0.000 0.000 1.114
F3 0.000 1.240 -1.265
F4 1.074 -0.620 -1.265
F5 -1.074 -0.620 -1.265

Atom - Atom Distances (Å)
  C1 Br2 F3 F4 F5
C11.92291.32141.32141.3214
Br21.92292.68292.68292.6829
F31.32142.68292.14792.1479
F41.32142.68292.14792.1479
F51.32142.68292.14792.1479

picture of Bromotrifluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 F3 110.198 Br2 C1 F4 110.198
Br2 C1 F5 110.198 F3 C1 F4 108.735
F3 C1 F5 108.735 F4 C1 F5 108.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability