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: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-5737.803998
Energy at 298.15K 
HF Energy-5736.898058
Nuclear repulsion energy740.430921
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(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 A' 1163 1102 127.67      
2 A' 855 810 174.09      
3 A' 479 454 0.50      
4 A' 358 339 0.16      
5 A' 282 267 0.10      
6 A' 172 163 0.03      
7 A" 822 779 169.54      
8 A" 327 310 0.37      
9 A" 204 193 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2331.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 2208.4 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(2df,p)
ABC
0.06439 0.03714 0.02857

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.132 0.495 0.000
F2 -1.247 1.226 0.000
Cl3 1.249 1.596 0.000
Br4 -0.132 -0.588 1.574
Br5 -0.132 -0.588 -1.574

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 Br5
C11.33261.76621.91051.9105
F21.33262.52332.64722.6472
Cl31.76622.52333.02543.0254
Br41.91052.64723.02543.1479
Br51.91052.64723.02543.1479

picture of dibromochlorofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.225 F2 C1 Br4 108.097
F2 C1 Br5 108.097 Cl3 C1 Br4 110.684
Cl3 C1 Br5 110.684 Br4 C1 Br5 110.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability