return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CBr2ClF (dibromochlorofluoromethane)

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-5736.546037
Energy at 298.15K 
HF Energy-5736.180435
Nuclear repulsion energy708.537702
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/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 A' 1042 1004 130.07      
2 A' 732 705 189.60      
3 A' 409 394 2.02      
4 A' 317 306 0.69      
5 A' 252 243 0.01      
6 A' 155 149 0.00      
7 A" 714 688 185.47      
8 A" 288 278 0.78      
9 A" 186 179 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 2047.5 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 1973.0 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/6-31G
ABC
0.05868 0.03411 0.02618

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.135 0.502 0.000
F2 -1.314 1.273 0.000
Cl3 1.299 1.683 0.000
Br4 -0.135 -0.616 1.642
Br5 -0.135 -0.616 -1.642

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 Br5
C11.40931.85741.98621.9862
F21.40932.64542.76682.7668
Cl31.85742.64543.16783.1678
Br41.98622.76683.16783.2836
Br51.98622.76683.16783.2836

picture of dibromochlorofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 107.357 F2 C1 Br4 107.935
F2 C1 Br5 107.935 Cl3 C1 Br4 110.964
Cl3 C1 Br5 110.964 Br4 C1 Br5 111.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability